Whiteside County, Illinois
Whiteside County, Illinois · ZIP 61014, 61037, 61071
- Census data · ACS 2019-2023
- 54,657 (2024 estimate)Population
- 23,215Households
- $64,536Median household income
- $125,800Median home value
- 35Towns with a page
- 13ZIP codes
Whiteside County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 60,653 |
| 2010 | 58,498 |
| 2020 | 55,691 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.
Median household income $64,536 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.
- Owner occupied
- 17,519 units
- Renter occupied
- 5,696 units
- Vacancy rate
- 10.2%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.
17,838 employees in 1,158 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.
| Measure | Whiteside County | Illinois |
|---|---|---|
| Population | 55,192 | 12,692,653 |
| Median household income | $64,536 | $81,702 |
| Median age | 43.4 | 38.9 |
| Median home value | $125,800 | $250,500 |
| Bachelor’s degree or higher | 20.1% | 37.2% |
| Foreign-born residents | 2.8% | 14.4% |
| Owner-occupied homes | 75.5% | 66.8% |
| Mean commute to work | 19.9 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.
Townships, towns and villages in Whiteside County35 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Sterling Township | Township | 16,985 | 23.4 sq mi |
| Sterling | City | 14,535 | 5.95 sq mi |
| Coloma Township | Township | 10,384 | 10.0 sq mi |
| Rock Falls | City | 8,614 | 3.98 sq mi |
| Mount Pleasant Township | Township | 4,689 | 35.8 sq mi |
| Fulton Township | Township | 4,277 | 17.4 sq mi |
| Morrison | City | 3,988 | 2.53 sq mi |
| Fulton | City | 3,581 | 2.34 sq mi |
| Prophetstown Township | Township | 2,448 | 47.9 sq mi |
| Montmorency Township | Township | 2,411 | 35.8 sq mi |
| Hopkins Township | Township | 1,982 | 35.5 sq mi |
| Prophetstown | City | 1,906 | 1.34 sq mi |
| Erie Township | Township | 1,853 | 24.0 sq mi |
| Erie | Village | 1,491 | 1.38 sq mi |
| Union Grove Township | Township | 1,184 | 35.1 sq mi |
| Albany Township | Township | 1,006 | 12.5 sq mi |
| Tampico Township | Township | 975 | 35.7 sq mi |
| Garden Plain Township | Township | 974 | 30.6 sq mi |
| Lyndon Township | Township | 905 | 27.3 sq mi |
| Albany | Village | 851 | 1.07 sq mi |
| Jordan Township | Township | 841 | 35.8 sq mi |
| Genesee Township | Township | 701 | 35.4 sq mi |
| Tampico | Village | 675 | 0.39 sq mi |
| Como | Census designated place | 581 | 1.07 sq mi |
| Fenton Township | Township | 558 | 34.9 sq mi |
| Ustick Township | Township | 534 | 35.4 sq mi |
| Lyndon | Village | 529 | 0.76 sq mi |
| Portland Township | Township | 427 | 34.7 sq mi |
| Newton Township | Township | 423 | 35.7 sq mi |
| Clyde Township | Township | 396 | 35.8 sq mi |
| Hume Township | Township | 355 | 29.5 sq mi |
| Hahnaman Township | Township | 349 | 35.8 sq mi |
| Galt | Census designated place | 163 | 0.29 sq mi |
| Coleta | Village | 161 | 0.37 sq mi |
| Deer Grove | Village | 39 | 0.41 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Whiteside County
No job is posted in Whiteside County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Whiteside County's towns yet. Members and businesses add events from any town page.
Nothing has been posted in Whiteside County’s towns yet. Join a town to start its feed.
Neighboring counties
Neighboring counties
- Bureau CountyPopulation 32,486 (2024 estimate)
- Carroll CountyPopulation 15,444 (2024 estimate)
- Clinton CountyPopulation 46,015 (2024 estimate)
- Henry CountyPopulation 48,177 (2024 estimate)
- Lee CountyPopulation 33,544 (2024 estimate)
- Ogle CountyPopulation 51,345 (2024 estimate)
- Rock Island CountyPopulation 142,731 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 19, retrieved November 14, 2026.