County · GEOID 17195
Whiteside County, IL ZIP codes
15 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Whiteside County (GEOID 17195). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 73,395 (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
Whiteside County, IL ZIP code map

ZIP/ZCTA overlap with Whiteside County
Population overlap
Share of each ZIP/ZCTA’s population located within Whiteside County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 6101413.6%
- 61037100.0%
Directory county
- 610640.5%
- 6107199.3%
Directory county
- 6108197.3%
Directory county
- 61230100.0%
Directory county
- 6124394.8%
Directory county
- 6125098.6%
Directory county
- 61251100.0%
Directory county
- 61252100.0%
Directory county
- 612540.1%
- 61261100.0%
Directory county
- 6127099.9%
Directory county
- 6127787.6%
Directory county
- 6128373.1%
Directory county
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 Whiteside County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 61014 | Chadwick | Carroll County | 1,124 | $69,375 |
| 61037 | Galt | Whiteside County | 100 | $69,048 |
| 61064 | Polo | Ogle County | 3,891 | $71,296 |
| 61071 | Rock Falls | Whiteside County | 13,482 | $57,909 |
| 61081 | Sterling | Whiteside County | 20,916 | $60,854 |
| 61230 | Albany | Whiteside County | 1,028 | $77,344 |
| 61243 | Deer Grove | Whiteside County | 167 | $117,000 |
| 61250 | Erie | Whiteside County | 2,843 | $87,308 |
| 61251 | Fenton | Whiteside County | 336 | $75,000 |
| 61252 | Fulton | Whiteside County | 5,369 | $62,202 |
| 61254 | Geneseo | Henry County | 12,049 | $81,141 |
| 61261 | Lyndon | Whiteside County | 691 | $53,750 |
| 61270 | Morrison | Whiteside County | 7,067 | $82,782 |
| 61277 | Prophetstown | Whiteside County | 2,983 | $72,837 |
| 61283 | Tampico | Whiteside County | 1,349 | $66,563 |