Data Last Updated: December 1, 2024

COOK County, IL ZIP Codes

COOK County, IL Covers 226 ZIP Codes

ZIP Code	Classification	Timezone	Area Code(s)
60004	General	Central	224/847
60005	General	Central	224/464/630/708/773/847
60006	P.O. Box	Central	224/847
60007	General	Central	224/464/630/708/773/847
60008	General	Central	224/847/630
60009	P.O. Box	Central	224/464/630/708/773/847
60010 *	General	Central	224/847
60015 *	General	Central	224/312/464/630/708/815/847
60016	General	Central	224/847/773
60017	P.O. Box	Central	224/847/773
60018	General	Central	224/847/773
60022	General	Central	847
60025	General	Central	224/847
60026	General	Central	224/312/464/630/708/815/847
60029	P.O. Box	Central	847/224
60038	Unique	Central	847/224
60043	General	Central	847/224
60053	General	Central	847/224
60055	Unique	Central	847/224
60056	General	Central	224/464/630/708/773/847
60062	General	Central	224/312/464/630/708/815/847
60065	P.O. Box	Central	224/312/464/630/708/815/847
60067	General	Central	847/224
60068	General	Central	847/773/224
60070	General	Central	312/464/630/708/847
60074	General	Central	847/224
60076	General	Central	847/224
60077	General	Central	847/224
60078	P.O. Box	Central	847/224
60082	P.O. Box	Central	224/847
60089 *	General	Central	312/464/630/708/847
60090	General	Central	224/312/464/630/708/847
60091	General	Central	847/224
60093	General	Central	224/847
60094	P.O. Box	Central	847/224
60095	P.O. Box	Central	847/224
60103 *	General	Central	630/331/224/847
60104	General	Central	464/708
60107	General	Central	847
60120 *	General	Central	224/847/630
60126 *	General	Central	630/331
60130	General	Central	708/464
60131	General	Central	312/872/224
60133	General	Central	630/331/224/847
60141	P.O. Box	Central	708/464
60153	General	Central	708/630/464
60154	General	Central	630/708/847/312/815/464
60155	General	Central	464/708
60159	P.O. Box	Central	464/708/847
60160	General	Central	630/708/464
60161	P.O. Box	Central	630/708/464
60162	General	Central	630/708/847/312/815/464
60163	General	Central	630/708/847/312/815/464
60164	General	Central	312/872/224
60165	General	Central	630/708/464
60168	P.O. Box	Central	464/708/847
60169	General	Central	464/708/847
60171	General	Central	224/464/708/773
60172 *	General	Central	224/312/331/464/630/708/847
60173	General	Central	224/464/630/708/847
60176	General	Central	847/773
60179	Unique	Central	847
60192	General	Central	847
60193	General	Central	224/312/464/630/708/847
60194	General	Central	464/708/847
60195	General	Central	464/708/847
60196	Unique	Central	464/708/847
60201	General	Central	847/224/773
60202	General	Central	847/224/773
60203	General	Central	847/224/773
60204	P.O. Box	Central	847/224/773
60208	Unique	Central	847/224/773
60301	General	Central	708/464
60302	General	Central	708/773/464/872
60303	P.O. Box	Central	708/773/464/872
60304	General	Central	708/464
60305	General	Central	630/708/464
60402	General	Central	464/708
60406	General	Central	708/464
60409	General	Central	708/464/773
60411	General	Central	708/464
60412	P.O. Box	Central	708/464
60415	General	Central	464/708
60418	General	Central	708/464
60419	General	Central	773
60422	General	Central	464/708
60423 *	General	Central	464/708/779/815
60425	General	Central	708/464
60426	General	Central	708/464
60428	General	Central	708/464
60429	General	Central	464/708
60430	General	Central	464/708
60438	General	Central	708/464
60439	General	Central	331/464/630/708
60443	General	Central	464/708
60445	General	Central	464/708
60449 *	General	Central	464/708
60452	General	Central	464/708
60453	General	Central	464/708
60454	P.O. Box	Central	464/708
60455	General	Central	464/630/708/847
60456	General	Central	464/708
60457	General	Central	708/464
60458	General	Central	464/708
60459	General	Central	464/708
60461	General	Central	464/708
60462	General	Central	708/464
60463	General	Central	708/464
60464	General	Central	708/464
60465	General	Central	708/464
60466	General	Central	464/708
60467	General	Central	708/464
60469	General	Central	464/708
60471	General	Central	464/708
60472	General	Central	708/464
60473	General	Central	464/708
60475	General	Central	708/464
60476	General	Central	708/464
60477	General	Central	708/464
60478	General	Central	708/464
60480	General	Central	708/464
60482	General	Central	464/708
60487	General	Central	708/464
60499	P.O. Box	Central	312/773
60501	General	Central	464/630/708/773/847
60513	General	Central	312/464/630/708/815/847
60521 *	General	Central	630/708/331/224/847/773/464
60523 *	General	Central	630/708/331/224/847/773/464
60525	General	Central	708/630/464
60526	General	Central	630/708/847/312/815/464
60527 *	General	Central	464/630/708
60534	General	Central	312/464/630/708/815/847
60546	General	Central	464/708
60558	General	Central	312/464/630/708/815/847
60601	General	Central	312/464/708/773/872
60602	General	Central	312/464/708/773/872
60603	General	Central	217/224/312/447/464/630/708/773/815/847/872
60604	General	Central	217/224/312/447/464/630/708/773/847/872
60605	General	Central	217/224/312/447/464/630/708/773/847/872
60606	General	Central	312/773/872/708/464/224/630/815
60607	General	Central	312/773
60608	General	Central	773/872
60609	General	Central	773/312
60610	General	Central	312/464/630/708/773/815/872
60611	General	Central	312/464/708/773/872
60612	General	Central	773/872/312
60613	General	Central	773/872
60614	General	Central	773/872/312
60615	General	Central	773/312/872
60616	General	Central	312/464/708/872
60617	General	Central	773/872
60618	General	Central	773/872
60619	General	Central	773/872/312
60620	General	Central	773/872
60621	General	Central	773/872/312
60622	General	Central	773
60623	General	Central	312/464/708/773/872
60624	General	Central	773/312
60625	General	Central	773/872
60626	General	Central	773
60628	General	Central	773/872
60629	General	Central	312/464/708/773/872
60630	General	Central	464/708/773/872
60631	General	Central	224/464/708/773/872
60632	General	Central	312/464/708/773/872
60633	General	Central	773
60634	General	Central	773/872
60636	General	Central	312/464/708/773/872
60637	General	Central	773/872/312
60638	General	Central	312/464/630/708/773/847
60639	General	Central	773/872
60640	General	Central	773
60641	General	Central	773
60642	General	Central	773
60643	General	Central	773/872
60644	General	Central	773
60645	General	Central	773
60646	General	Central	224/464/708/773/872
60647	General	Central	773/872/312
60649	General	Central	773/872
60651	General	Central	773
60652	General	Central	312/773
60653	General	Central	773/312
60654	General	Central	312/464/630/708/773/815/872
60655	General	Central	773/464/708
60656	General	Central	224/464/708/773/872
60657	General	Central	773/312/872
60659	General	Central	773/872
60660	General	Central	773/872
60661	General	Central	312/464/630/708/773/872
60664	P.O. Box	Central	872/312/464/224/773/708
60666	P.O. Box	Central	312/872/224
60668	Unique	Central	872/312/464/224/773/708
60669	Unique	Central	312/773
60670	Unique	Central	872/312/464/224/773/708
60673	Unique	Central	872/312/464/224/773/708
60674	Unique	Central	217/224/312/447/464/630/708/773/815/847/872
60675	Unique	Central	872/312/464/224/773/708
60677	Unique	Central	872/312/464/224/773/708
60678	Unique	Central	872/312/464/224/773/708
60680	P.O. Box	Central	872/312/464/224/773/708
60681	P.O. Box	Central	872/312/464/224/773/708
60682	Unique	Central	708/464
60684	Unique	Central	872/312/464/224/773/708
60685	Unique	Central	872/312/464/224/773/708
60686	Unique	Central	872/312/464/224/773/708
60687	Unique	Central	872/312/464/224/773/708
60688	Unique	Central	312/872/224
60689	Unique	Central	217/224/312/447/464/630/708/773/847/872
60690	P.O. Box	Central	872/312/464/224/773/708
60691	P.O. Box	Central	872/312/464/224/773/708
60693	Unique	Central	872/312/464/224/773/708
60694	Unique	Central	872/312/464/224/773/708
60695	Unique	Central	872/312/464/224/773/708
60696	Unique	Central	872/312/464/224/773/708
60697	Unique	Central	872/312/464/224/773/708
60699	General	Central	872/312/464/224/773/708
60701	General	Central	312/872/224
60706	General	Central	224/464/708/773/872
60707	General	Central	773/872
60712	General	Central	773
60714	General	Central	847/224
60803	General	Central	464/708
60804	General	Central	708/464/312/773
60805	General	Central	773
60827	General	Central	708/773/464/872

* Indicates a Multi County ZIP Code, whose primary County is something other than Cook, IL.

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Timezone(s): All Time Zones found within this county. In the United States, there are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau. The alignment between ZIP codes and time zones is not perfect. A single time zone can cover multiple ZIP codes, and, conversely, a single ZIP code could theoretically span across multiple time zones, although this is quite rare.	Central

Population: The total Population for Cook County, IL, taken from the 2020 U.S. Census DP1. This population total includes all people residing in and counts them regardless of citizenship or immigration status. Include are U.S. Citizens, permanent residents, temporary migrants, and undocumented workers. The total population represents people who live in the state, not just those present on the day of the census. State Population is critical in determining political representation, funding allocation, planning and policy-making, and demographic analysis.	5,275,541 (More Details)
Male Population: The sum of all males for Cook County, IL from the 2020 U.S. Census DP1. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The male population information is important for healthcare planning, policy making, social research, and economic planning and development.	2,555,621
Female Population: The sum of all females for Cook County, IL from the 2020 U.S. Census DP1. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The female population information is important for healthcare planning, policy making, social research, and economic planning and development.	2,719,920
Median Age: The median age of the total population of this county. Median age is not a future prediction, it is the actual number from the 2020 Census. Median age is the middle age of the population. Half the population is older than the average age and half is younger.	37

ZIP Codes: The total number of ZIP Codes which at least partially fall inside Cook County, IL. Did you know that approximately 23% of ZIP Codes cross county lines? Several even cross State lines. ZIP Codes do not follow other geographic boundaries because they were created exclusively for the expedient delivery of mail.	215
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into Cook County, IL. Alongside the official city name, USPS also recognizes certain alternate names for cities or towns that can be used in mailing addresses. These may include towns, villages, abbreviations, names in other languages, or names that have been commonly used historically.	96
Counties: The total number of counties associated with ZIP Codes that are at least partially part of Cook County, IL.	1
Area Codes: The total number of Area Codes associated with ZIP Codes in Cook County, IL. Area codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. Each area code identifies a specific geographic area (usually part of a state or territory) and allows calls to be routed to the correct area. There are approximately 350 area codes in use in the United States.	12

Total Area: The approximate amount of area covered by Cook, IL in square miles. This includes all land and water areas within the legal county boundaries.	1,635 square miles (county)
Land Area: The approximate amount of land area covered by Cook, IL in square miles. Land area data provided by the Census Bureau are based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each state. Land area is important in many types of statistical analysis. For example, population density, the number of people per unit of land area, is a commonly used statistic based on this data. Land area measurements are also important for urban planning, environmental studies, and economic analysis.	945 square miles (county)
Water Area: The approximate amount of water area covered by Cook, IL in square miles. Calculations for water area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompassed features such as lakes, reservoirs, rivers, and coastal water bodies. Water surface data are especially important for environmental and conservation planning, water resource management, transportation, and recreational planning.	689 square miles (county)

COOK, IL Demographic Information

Total population of COOK County, IL: Total Population from the 2020 Census. This reflects the exact population of the geographic area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	5,275,541
Male population of COOK County, IL: The Male Population from the 2020 Census. This is not a forecast for the future, but an exact count for this geographic area at the time of the Census. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The Male Population information is important for healthcare planning, policy making, social research, and economic planning and development.	2,555,621
Female population of COOK County, IL: The Female Population from the 2020 Census. This is not a forecast for the future, but an exact count for this geographic area at the time of the Census. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The Female Population information is important for healthcare planning, policy making, social research, and economic planning and development.	2,719,920
Median age (years): The Median Age of the Total Population from the 2020 Census for this geographic area. Median age is not a future prediction, it is the actual calculated age from the 2020 Census. Median age is the middle age of the population. Half the population is older than the average age and half is younger. Median Age can relate how young or old a geographic area is compared to others. If one area is 44 and the other is 40, then the first are is an average of 4 years older.	37.4
White Population: The White Population is an exact count from the 2020 Census for this geographic area. The numbers for the White Population are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including White. This count includes all who selected White/Caucasian in their response, even if they selected another race as well.	2,345,983
Black Population: The Black Population is an exact count from the 2020 Census for this geographic area. The numbers for the Black Population are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including Black or African American. This count includes all who selected Black or African American in their response, even if they selected another race as well.	1,205,824
Indian Population: The American Indian and Alaska Native Population is an exact count from the 2020 Census for this geographic area and not estimates for the future. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including American Indian and Alaska Native. This count includes all who selected American Indian and Alaska Native in their response, even if they selected another race as well.	56,894
Asian Population: The Asian Population is an exact count from the 2020 Census for this geographic area, not future projections. On the U.S. Census questionnaire, people were asked to check all races which applied to them, including Chinese, Filipino, Asian Indian, Vietnamese, Korean, Japanese, or Other Asian. This count includes all who selected one of these options in their response, even if they selected another race as well.	413,271
Hawaiian Population: The Hawaiian or Pacific Islander Population is an exact count from the 2020 Census for this geographic area and are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including Native Hawaiian and Pacific Islander. This count includes all who selected either Hawaiian or Pacific Islander in their response, even if they selected another race as well.	1,864
Hispanic Population: The Hispanic Population is an exact count from the 2020 Census for this geographic area and is not an estimate or future projection. On the 2020 U.S. Census questionnaire, people were first asked for their Ethnicity, including if they were from Hispanic, Latino, or Spanish Origin, including Mexican, Mexican American, Chicano, Puerto Rican, Cuban, or other ethnic origin. This count includes all who affirmed that they were part of this ethnic origin. Respondents who selected this option were also asked to select a race separately and would be counted once in this number as well as the race they chose as well. From the U.S. Census definition, Hispanic is an ethnic origin and not a race.	1,382,778
Median age (Male): The Median Age of all Males from the 2020 Census for this geographic area. The Male Median Age is the actual average from the 2020 Census, not an estimate or future projection. Median Age is the average age of the population. Half of the population is older than the average age and the other half is younger. Gender is self-reported by individuals when asked about their sex at birth.	36.2
Median age (Female): The Median Age of all Females from the 2020 Census for this geographic area. The Female Median Age is the actual average from the 2020 Census, not an estimate or future projection. Median Age is the average age of the population. Half of the population is older than the average age and the other half is younger. Gender is self-reported by individuals when asked about their sex at birth.	38.6
Total Households: Total Number of Households from the 2020 U.S. Census for this geographic area. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	2,086,940
Married-Couple Households: Total Married-Couple Households is based on the 2020 U.S. Census and is not an estimate. Under the U.S. Census Bureau definition, Married Couple Households refers to the count of households where the householder and his or her spouse are listed as members of the same household. It does include same-sex marriage households and the households themselves may also include other individuals, such as children or other relatives.
Average Household Size for COOK County, IL: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.49
Average family size of COOK County, IL: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.49
Total housing units for COOK County, IL: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	2,264,966

COOK County, IL ZIP Codes

COOK County, IL Covers 226 ZIP Codes

COOK, IL Demographic Information

COOK County, IL Covers 96 Cities