Stephenson County, Illinois ZIP codes
14 ZIP codes are in Stephenson County, plus 5 that cross in from neighboring counties. It's part of the Freeport, IL micro area.
- ZIP codes
- 14
- Population in these ZIPs
- 44,964
- Avg. median income
- $66,000population-weighted
- Cities & towns
- 14
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Stephenson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 61013 | Cedarville | 690 | $67,569 | $125,700 |
| 61018 | Dakota | 1,034 | $76,471 | $157,800 |
| 61019 | Davis | 3,461 | $105,150 | $271,100 |
| 61027 | Eleroy | 33 | — | — |
| 61032 | Freeport | 29,020 | $56,593 | $128,500 |
| 61039 | German Valley | 824 | $84,107 | $219,900 |
| 61044 | Kent | 225 | $82,083 | $150,000 |
| 61048 | Lena | 3,786 | $82,875 | $210,400 |
| 61050 | Mc Connell | 199 | $74,728 | $124,400 |
| 61060 | Orangeville | 1,554 | $76,726 | $217,000 |
| 61062 | Pearl City | 1,840 | $66,667 | $219,000 |
| 61067 | Ridott | 450 | $66,563 | $170,500 |
| 61070 | Rock City | 1,322 | $84,167 | $227,400 |
| 61089 | Winslow | 526 | $66,250 | $191,100 |
ZIP codes partly in Stephenson County
These ZIP codes are mostly in a neighboring county but cover part of Stephenson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 61007 | Baileyville | Ogle County | 196 | — | $219,600 |
| 61047 | Leaf River | Ogle County | 1,622 | $86,056 | $233,800 |
| 61063 | Pecatonica | Winnebago County | 4,011 | $84,276 | $236,000 |
| 61078 | Shannon | Carroll County | 1,459 | $75,769 | $183,800 |
| 61087 | Warren | Jo Daviess County | 1,588 | $77,321 | $125,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Stephenson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Stephenson County, Illinois?
14 ZIP codes are mainly in Stephenson County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Stephenson County?
ZIP codes in Stephenson County use the city names Cedarville, Dakota, Davis, Eleroy, Freeport, German Valley, Kent, Lena, Mc Connell, Orangeville, Pearl City and Ridott and others.
What metro area is Stephenson County in?
Stephenson County is part of the Freeport, IL micropolitan statistical area.