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ZIP Code Database - Facts & Stats
Data Last Updated: November 1, 2024

HAMILTON County, OH ZIP Codes



HAMILTON County, OH Covers 79 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 45001P.O. BoxAddyston927Eastern513
ZIP Code 45002GeneralCleves15,458Eastern513
ZIP Code 45030GeneralHarrison21,234Eastern513
ZIP Code 45033P.O. BoxHooven323Eastern270/364/513
ZIP Code 45041P.O. BoxMiamitown177Eastern513
ZIP Code 45051GeneralMount Saint Joseph393Eastern513
ZIP Code 45052GeneralNorth Bend3,830Eastern270/364/513
ZIP Code 45111GeneralCamp Dennison384Eastern513
ZIP Code 45174GeneralTerrace Park2,359Eastern513
ZIP Code 45201P.O. BoxCincinnati0Eastern513
ZIP Code 45202GeneralCincinnati16,883Eastern513
ZIP Code 45203GeneralCincinnati2,365Eastern513
ZIP Code 45204GeneralCincinnati5,818Eastern513
ZIP Code 45205GeneralCincinnati19,517Eastern513
ZIP Code 45206GeneralCincinnati10,670Eastern513
ZIP Code 45207GeneralCincinnati7,484Eastern513
ZIP Code 45208GeneralCincinnati18,969Eastern513
ZIP Code 45209GeneralCincinnati10,708Eastern513
ZIP Code 45211GeneralCincinnati37,868Eastern513
ZIP Code 45212GeneralCincinnati21,885Eastern513
ZIP Code 45213GeneralCincinnati12,052Eastern513
ZIP Code 45214GeneralCincinnati8,901Eastern513
ZIP Code 45215GeneralCincinnati30,993Eastern513
ZIP Code 45216GeneralCincinnati9,667Eastern513
ZIP Code 45217GeneralCincinnati6,177Eastern513
ZIP Code 45218GeneralCincinnati3,957Eastern513
ZIP Code 45219GeneralCincinnati20,644Eastern513
ZIP Code 45220GeneralCincinnati15,466Eastern513
ZIP Code 45221UniqueCincinnati0Eastern513
ZIP Code 45222P.O. BoxCincinnati0Eastern513
ZIP Code 45223GeneralCincinnati13,174Eastern513
ZIP Code 45224GeneralCincinnati20,214Eastern513
ZIP Code 45225GeneralCincinnati8,006Eastern513
ZIP Code 45226GeneralCincinnati5,687Eastern513
ZIP Code 45227GeneralCincinnati18,427Eastern513
ZIP Code 45229GeneralCincinnati12,540Eastern513
ZIP Code 45230GeneralCincinnati27,718Eastern513
ZIP Code 45231GeneralCincinnati41,934Eastern513
ZIP Code 45232GeneralCincinnati7,109Eastern513
ZIP Code 45233GeneralCincinnati15,596Eastern513
ZIP Code 45234GeneralCincinnati0Eastern513
ZIP Code 45235GeneralCincinnati0Eastern513
ZIP Code 45236GeneralCincinnati24,223Eastern513
ZIP Code 45237GeneralCincinnati21,029Eastern513
ZIP Code 45238GeneralCincinnati46,864Eastern513
ZIP Code 45239GeneralCincinnati28,499Eastern513
ZIP Code 45240GeneralCincinnati28,820Eastern513
ZIP Code 45241GeneralCincinnati24,380Eastern513
ZIP Code 45242GeneralCincinnati23,214Eastern513
ZIP Code 45243GeneralCincinnati15,894Eastern513
ZIP Code 45244GeneralCincinnati28,936Eastern513
ZIP Code 45246GeneralCincinnati15,249Eastern513
ZIP Code 45247GeneralCincinnati23,293Eastern513
ZIP Code 45248GeneralCincinnati25,181Eastern513
ZIP Code 45249GeneralCincinnati14,005Eastern513
ZIP Code 45250P.O. BoxCincinnati0Eastern513
ZIP Code 45251GeneralCincinnati22,073Eastern513
ZIP Code 45252GeneralCincinnati4,548Eastern513
ZIP Code 45253P.O. BoxCincinnati0Eastern513
ZIP Code 45254P.O. BoxCincinnati0Eastern513
ZIP Code 45255GeneralCincinnati22,069Eastern513
ZIP Code 45258P.O. BoxCincinnati0Eastern513
ZIP Code 45262P.O. BoxCincinnati0Eastern513
ZIP Code 45263UniqueCincinnati0Eastern513
ZIP Code 45264UniqueCincinnati0Eastern513
ZIP Code 45267UniqueCincinnati0Eastern513
ZIP Code 45268UniqueCincinnati0Eastern513
ZIP Code 45269UniqueCincinnati0Eastern513
ZIP Code 45270UniqueCincinnati0Eastern513
ZIP Code 45271UniqueCincinnati0Eastern513
ZIP Code 45273UniqueCincinnati0Eastern513
ZIP Code 45274UniqueCincinnati0Eastern513
ZIP Code 45275P.O. BoxCincinnati0Eastern513
ZIP Code 45277UniqueCincinnati0Eastern513
ZIP Code 45280P.O. BoxCincinnati0Eastern513
ZIP Code 45296UniqueCincinnati0Eastern513
ZIP Code 45298UniqueCincinnati0Eastern513
ZIP Code 45299UniqueCincinnati0Eastern513
ZIP Code 45999UniqueCincinnati0Eastern513


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.Eastern
 
Population: The total Population for Hamilton County, OH, 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. 830,639 (More Details)
Male Population: The sum of all males for Hamilton County, OH 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.401,523
Female Population: The sum of all females for Hamilton County, OH 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.429,116
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 Hamilton County, OH. 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.79
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into Hamilton County, OH. 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.10
Counties: The total number of counties associated with ZIP Codes that are at least partially part of Hamilton County, OH.1
Area Codes: The total number of Area Codes associated with ZIP Codes in Hamilton County, OH. 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.3
 
Total Area: The approximate amount of area covered by Hamilton, OH in square miles. This includes all land and water areas within the legal county boundaries.413 square miles (county)
Land Area: The approximate amount of land area covered by Hamilton, OH 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. 406 square miles (county)
Water Area: The approximate amount of water area covered by Hamilton, OH 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.7 square miles (county)

HAMILTON, OH Demographic Information

* Demographic data is based on 2020 Census.

Total population of HAMILTON County, OH: 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.830,639
Male population of HAMILTON County, OH: 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.401,523
Female population of HAMILTON County, OH: 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.429,116
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.36.9
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.525,850
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.209,173
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.2,244
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.25,333
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.673
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.36,250
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.35.6
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.38.2
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.347,126
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 HAMILTON County, OH: 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.2.33
Average family size of HAMILTON County, OH: 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.3.34
Total housing units for HAMILTON County, OH: 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.379,015


HAMILTON County, OH Covers 10 Cities