Stephenson County ZIP Codes

List of ZIP Codes in Stephenson County

The following table lists ZIP Codes associated with Stephenson County, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 61013 42.37544 -89.63623 Cedarville 705 578.7
2 61018 42.41599 -89.55558 Dakota 1,040 12.0
3 61019 42.44093 -89.40863 Davis 3,341 34.5
4 61027 42.3333 -89.75553 Eleroy 43 32.9
5 61032 42.31509 -89.63598 Freeport 29,072 75.5
6 61039 42.20805 -89.46931 German Valley 812 10.9
7 61044 42.32336 -89.9099 Kent 276 8.2
8 61048 42.38524 -89.83526 Lena 3,848 18.2
9 61050 42.43932 -89.7319 McConnell 284 10.7
10 61060 42.47876 -89.61819 Orangeville 1,467 15.5
11 61062 42.25254 -89.84263 Pearl City 1,881 9.7
12 61067 42.30472 -89.47454 Ridott 496 6.1
13 61070 42.41571 -89.47177 Rock City 1,325 15.8
14 61089 42.47349 -89.82335 Winslow 593 5.2


About Stephenson County ZIP Codes

Stephenson County in Illinois (IL) is served by approximately 14 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 45,183 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Stephenson County are located in cities such as Freeport, Lena, Davis, Pearl City, Orangeville. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Stephenson County, Illinois follow the America/Chicago time zone.