Stephenson County, IL ZIP Codes
ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Stephenson, IL. | 19 ZIP Codes |
Area Codes: The Telephone Area Codes that are associated with Stephenson, IL. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States. | 815, 779 |
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. 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. | Central |
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown. | 12:28:19 PM |
Population: The population of Stephenson, IL from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed. | 44,630 [More Details] |
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county. | 17177 |
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000. | Freeport, IL |
Land Area: The approximate amount of land area covered by Stephenson, IL in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city. | 564 square miles |
Water Area: The approximate amount of water area covered by Stephenson, IL in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies. | 1 square miles |
Coordinates: The latitude/longitude centroid coordinates for Stephenson County, IL. | -89.662258, 42.351800 |
Quick Link: Copy the direct link to the Stephenson, ILCounty page and use anywhere you like! |
Stephenson County, IL Covers 19 ZIP Codes
ZIP Code | Classification | City | Population | % of Population |
---|---|---|---|---|
ZIP Code 61007 * | General | Baileyville | 472 | -- |
ZIP Code 61013 | P.O. Box | Cedarville | 663 | 1.49% |
ZIP Code 61018 | General | Dakota | 1,048 | 2.35% |
ZIP Code 61019 | General | Davis | 3,622 | 8.12% |
ZIP Code 61027 | P.O. Box | Eleroy | 47 | 0.11% |
ZIP Code 61032 | General | Freeport | 29,110 | 65.23% |
ZIP Code 61039 | General | German Valley | 780 | 1.75% |
ZIP Code 61044 | General | Kent | 231 | 0.52% |
ZIP Code 61047 * | General | Leaf River | 1,688 | -- |
ZIP Code 61048 | General | Lena | 4,081 | 9.14% |
ZIP Code 61050 | General | Mc Connell | 349 | 0.78% |
ZIP Code 61060 | General | Orangeville | 1,387 | 3.11% |
ZIP Code 61062 | General | Pearl City | 1,871 | 4.19% |
ZIP Code 61063 * | General | Pecatonica | 3,901 | -- |
ZIP Code 61067 | General | Ridott | 669 | 1.50% |
ZIP Code 61070 | General | Rock City | 1,109 | 2.48% |
ZIP Code 61078 * | General | Shannon | 1,388 | -- |
ZIP Code 61087 * | General | Warren | 1,541 | -- |
ZIP Code 61089 | General | Winslow | 831 | 1.86% |
* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Stephenson, IL, but will mostly cover area in a different County. Not included in % of Population calculations.
Important Stephenson, IL Information
Stephenson County, IL Covers 19 ZIP Codes. This includes 12 General ZIP Codes, 2 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 5 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Stephenson County.
The population for Stephenson County is 44,630, according to the U.S. Census. Population Density is 79.13 persons per square mile. With 21,369 Housing Units, the Average Household Size is 2.29 persons. There are 19,184 Family Households with an Average Family Size of 3.08 persons. 5.30% of the population is without Health Insurance. The 56.25% Employment Rate is 3.55% above the national average of 59.8%. 31,821 people aged 25+ have some educational achievement, with 21.35% (or 6,793 people) having attained a Bachelor's Degree or higher. More Demographics are available below.
There are 2 area codes serving this area including 815 and 779. Stephenson is also located in the Central timezone and the current local time is shown above.
Stephenson is part of the Freeport, IL Core Based Statistical Area (CBSA). Its CBSA Code is 23300. It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.
CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.
ZIP Codes in Stephenson, IL have 19,427 Residential mailboxes and 1,004 Business mailboxes. There are 1,020 businesses with a total of 14,876 employees. That is an average of 14.6 employees per business. Annual payroll for these businesses is $846,507,000. Other Demographics
Stephenson County Demographic Profile
Total Population: Total number of people from the 2020 U.S. Census for Stephenson, IL. This reflects the exact count of this 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. | 44,630 |
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Stephenson, IL. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information. | 44,350 |
Total Households: Total number of Households from the 2020 U.S. Census for Stephenson, IL. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone. | 19,184 |
Total Housing Units: 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. | 21,369 |
Average Household Size: 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. | 2.29 |
Average Family Size: 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. | 3.08 |
Other Stephenson Demographics
# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types. | 19,427 |
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types. | 1,004 |
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined. | 22,762 |
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes. | 17,054 |
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments. | 1,312 |
# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023. | 1,020 |
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023. | $194,844,000 |
Annual Payroll: The total annual payroll . Data taken from Business Census 2023. | $846,507,000 |
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023. | 14,876 |
Sum of all ZIP Codes assigned Stephenson, IL as their primary County.
Adjacent & Nearby Counties
- Ogle County, IL
- Lafayette County, WI
- Winnebago County, IL
- Green County, WI
- Jo Daviess County, IL
- Carroll County, IL
- Rock County, WI
- Jackson County, IA
- Whiteside County, IL
- Clinton County, IA
- Lee County, IL
- Iowa County, WI
- Dane County, WI
- Boone County, IL
- Dekalb County, IL
- Grant County, WI
- Jefferson County, WI
- Rock Island County, IL
- Dubuque County, IA
- Bureau County, IL
References
- U.S. Postal Service [Last Updated: 1/1/2025], https://www.usps.com
- ZIP-Codes.com Internal Data Creation [Last Updated: 1/1/2025], https://www.zip-codes.com
- U.S. Geological Survey [Updated as needed], https://www.usgs.gov
- U.S. Census [Updated Yearly], https://www.census.gov
- U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov