County · Illinois · United States
Whiteside County ZIP codes
12 ZIP codes · 12 cities · FIPS 17195
Key facts
- State
- Illinois (IL)
- FIPS code
- 17195
- Population
- 55,192
- Median household income
- $64,536
- Median age
- 43.4
- Land area
- 684.1 sq mi (1,771.8 km²)
- Population density
- 81 / sq mi
- Area codes
- 309, 779, 815
Cities and ZIP codes in Whiteside County (12)
| City | ZIP codes |
|---|---|
| Albany | 61230 |
| Deer Grove | 61243 |
| Erie | 61250 |
| Fenton | 61251 |
| Fulton | 61252 |
| Galt | 61037 |
| Lyndon | 61261 |
| Morrison | 61270 |
| Prophetstown | 61277 |
| Rock Falls | 61071 |
| Sterling | 61081 |
| Tampico | 61283 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.