Whiteside County, IL Zip Codes
12 zip codes across 11 cities in Whiteside County, IL
About Whiteside County
Whiteside County, Illinois (IL) contains 12 unique zip codes spanning 11 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Whiteside County.
Cities in Whiteside County
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All Zip Codes in Whiteside County, IL
| Zip Code | City |
|---|---|
| 61037 | Galt |
| 61071 | Rock Falls |
| 61081 | Sterling |
| 61230 | Albany |
| 61243 | Deer Grove |
| 61250 | Erie |
| 61251 | Lyndon |
| 61252 | Clinton |
| 61261 | Lyndon |
| 61270 | Morrison |
| 61277 | Prophetstown |
| 61283 | Tampico |
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Frequently Asked Questions
How many zip codes are in Whiteside County, IL?
Whiteside County, IL has 12 zip codes across 11 cities.
What cities are in Whiteside County?
Cities in Whiteside County include Albany, Clinton, Deer Grove, Erie, Galt, Lyndon, Morrison, Prophetstown, Rock Falls, Sterling, Tampico.
What state is Whiteside County in?
Whiteside County is located in Illinois (IL).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.