County · GEOID 17007
Boone County, IL ZIP codes
15 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Boone County (GEOID 17007). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 179,923 (15 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Boone County, IL ZIP code map

ZIP/ZCTA overlap with Boone County
Population overlap
Share of each ZIP/ZCTA’s population located within Boone County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 600330.8%
- 601350.2%
- 601453.2%
- 601462.1%
- 6100899.4%
Directory county
- 6101162.7%
Directory county
- 61012100.0%
Directory county
- 6101611.5%
- 6103892.9%
Directory county
- 61065100.0%
Directory county
- 610730.7%
- 610801.6%
- 611071.5%
- 611117.2%
- 611142.6%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Boone County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60033 | Harvard | McHenry County | 13,333 | $72,298 |
| 60135 | Genoa | DeKalb County | 7,486 | $87,935 |
| 60145 | Kingston | DeKalb County | 2,206 | $88,750 |
| 60146 | Kirkland | DeKalb County | 2,241 | $84,615 |
| 61008 | Belvidere | Boone County | 33,697 | $75,833 |
| 61011 | Caledonia | Boone County | 2,743 | $136,172 |
| 61012 | Capron | Boone County | 2,322 | $98,750 |
| 61016 | Cherry Valley | Winnebago County | 5,166 | $92,865 |
| 61038 | Garden Prairie | Boone County | 1,395 | $69,808 |
| 61065 | Poplar Grove | Boone County | 10,927 | $104,216 |
| 61073 | Roscoe | Winnebago County | 20,008 | $104,534 |
| 61080 | South Beloit | Winnebago County | 11,062 | $78,533 |
| 61107 | Rockford | Winnebago County | 29,473 | $75,492 |
| 61111 | Loves Park | Winnebago County | 22,838 | $58,391 |
| 61114 | Rockford | Winnebago County | 15,026 | $83,472 |