Winnebago County, IL Demographics & ZIP Codes
Winnebago County, Illinois demographics and median household income by ZIP code — 20 ZIP codes — population 284,318 — avg. income $70,189 — avg. home value $153,839. Compare income, housing, and ZIP-level data on US5.
Winnebago County demographics
Winnebago County, Illinois covers 20 ZIP codes, with a combined ZIP-area population of about 284,318.
Median household income in Winnebago County
The average median household income across ZIP codes in Winnebago County, Illinois is about $70,189 — about 10% below the IL ZIP average ($78,143), and about 7% below the U.S. median ($75,149).
Among ZIPs with income data, 61073 (Roscoe) is near the top at about $104,534, while 61104 (Rockford) is near the bottom at about $32,161.
Housing in Winnebago County
For housing in Winnebago County, Illinois, the average median home value is about $153,839 and the average median rent is about $811.
The most populous ZIP is 61108 (Rockford) with about 30,202 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Winnebago County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61108 | Rockford | Winnebago County | IL | 30,202 | $63,046 | $128,300 |
| 61107 | Rockford | Winnebago County | IL | 29,473 | $75,492 | $165,200 |
| 61109 | Rockford | Winnebago County | IL | 26,714 | $61,702 | $124,900 |
| 61103 | Rockford | Winnebago County | IL | 23,238 | $47,390 | $114,800 |
| 61111 | Loves Park | Winnebago County | IL | 22,838 | $58,391 | $143,700 |
| 61115 | Machesney Park | Winnebago County | IL | 22,424 | $73,771 | $160,700 |
| 61073 | Roscoe | Winnebago County | IL | 20,008 | $104,534 | $228,900 |
| 61101 | Rockford | Winnebago County | IL | 19,671 | $45,260 | $89,800 |
| 61104 | Rockford | Winnebago County | IL | 17,584 | $32,161 | $83,700 |
| 61102 | Rockford | Winnebago County | IL | 16,620 | $42,506 | $95,300 |
| 61114 | Rockford | Winnebago County | IL | 15,026 | $83,472 | $196,000 |
| 61072 | Rockton | Winnebago County | IL | 11,342 | $102,604 | $225,100 |
| 61080 | South Beloit | Winnebago County | IL | 11,062 | $78,533 | $172,300 |
| 61088 | Winnebago | Winnebago County | IL | 5,992 | $94,286 | $193,000 |
| 61016 | Cherry Valley | Winnebago County | IL | 5,166 | $92,865 | $224,600 |
| 61063 | Pecatonica | Winnebago County | IL | 4,257 | $88,063 | $155,200 |
| 61024 | Durand | Winnebago County | IL | 2,264 | $73,152 | $153,800 |
| 61079 | — | Winnebago County | IL | 220 | $46,176 | $113,800 |
| 61112 | Cherry Valley | Winnebago County | IL | 116 | — | — |
| 61077 | — | Winnebago County | IL | 101 | — | — |
Frequently asked questions
What are the demographics of Winnebago County?
Winnebago County, Illinois has a combined ZIP-area population of about 284,318 across 20 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Winnebago County?
The average median household income across ZIP codes in Winnebago County, Illinois is about $70,189, about 10% below the state ZIP average ($78,143), and about 7% below the U.S. median ($75,149). Average median home value is about $153,839. Among ZIPs with data, 61073 (Roscoe) is near the top ($104,534) and 61104 (Rockford) is near the bottom ($32,161).
How many ZIP codes are in Winnebago County?
Winnebago County, Illinois includes 20 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Winnebago County?
This page lists ZIP codes in Winnebago County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.