Rock Falls, Illinois
City in Whiteside County, Illinois · ZIP 61071
- Whiteside County
- Within Coloma Township
- Census data · ACS 2019-2023
- 9 public schools
- 8,614 (2024 estimate)Population
- 3,913Households
- $48,733Median household income
- $82,400Median home value
- 9Public schools
- 1ZIP codes
About Rock Falls
This page shows only what has been published about Rock Falls: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 9,580 |
| 2010 | 9,266 |
| 2020 | 8,789 |
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, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.
Median household income $48,733 · 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, place level, state 17, retrieved November 14, 2026.
- Owner occupied
- 2,568 units
- Renter occupied
- 1,345 units
- Vacancy rate
- 12.5%
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, place level, state 17, retrieved November 14, 2026.
| Measure | Rock Falls | Whiteside County | Illinois |
|---|---|---|---|
| Population | 8,683 | 55,192 | 12,692,653 |
| Median household income | $48,733 | $64,536 | $81,702 |
| Median age | 39.9 | 43.4 | 38.9 |
| Median home value | $82,400 | $125,800 | $250,500 |
| Bachelor’s degree or higher | 15.0% | 20.1% | 37.2% |
| Foreign-born residents | 3.9% | 2.8% | 14.4% |
| Owner-occupied homes | 65.6% | 75.5% | 66.8% |
| Mean commute to work | 16.3 minutes | 19.9 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.
CommunityRules and moderation
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Events in Rock FallsAll events
No upcoming event is listed in Rock Falls yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| Dillon Elementary School | Public | K–2 | Rock Falls ESD 13 |
| East Coloma - Nelson Elem Sch | Public | Pre-K–8 | East Coloma - Nelson CESD 20 |
| Merrill Elem School | Public | 3–5 | Rock Falls ESD 13 |
| Rock Falls Middle School | Public | 6–8 | Rock Falls ESD 13 |
| Regional Center for Change | Alternative | 6–12 | Lee/Ogle/Whiteside ROE |
| Regional Center For Change ALOP | Alternative | 6–12 | Lee/Ogle/Whiteside ROE |
| Rock Falls Township High School | Public | 9–12 | Rock Falls Twp HSD 301 |
| Bi-County-Jr HS LIfe Skills-Rock | Special education | M | Bi-County Special Educ Coop |
| Thome Ed School | Special education | K–12 | Bi-County Special Educ Coop |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Legislative districts
| Chamber | District |
|---|---|
| U.S. House of Representatives | Congressional District 17 (IL-17) |
| State legislature, lower chamber | State House District 74 |
| State legislature, upper chamber | State Senate District 37 |
Boundaries from the Census Bureau’s TIGER/Line district files, matched to Rock Falls’s own boundary. Who holds each seat appears on the People page once the official records are approved.
Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 17, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 17, retrieved November 14, 2026.
Frequently asked about Rock FallsPromoted from questions people asked
No question about Rock Falls has been asked often enough to publish an answer yet. Ask Rock Falls and the answer, once a person checks it, appears here.
Nearby towns
- Coloma TownshipTownship
- SterlingCity
- Sterling TownshipTownship
- GaltCensus designated place
- ComoCensus designated place
- Montmorency TownshipTownship
- NelsonVillage
- Hopkins TownshipTownship
- Nelson TownshipTownship
- Hume TownshipTownship
Other towns in Whiteside County
- AlbanyVillage
- Albany TownshipTownship
- Clyde TownshipTownship
- ColetaVillage
- Coloma TownshipTownship
- ComoCensus designated place
- Deer GroveVillage
- Erie TownshipTownship
- ErieVillage
- Fenton TownshipTownship