Rock Grove, Illinois
Rock Grove: unincorporated community in Illinois
About
Rock Grove is a city located in the county of Stephenson in the U.S. state of Illinois. Its population at the 2010 census was 1,388. After 10 years in 2020 city had an estimated population of 1,296 inhabitants.
Quick Facts about Rock Grove
| Population | 1,296 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| County | Stephenson County |
| Latitude & Longitude | 42.4631,-89.5121 |
| Altitude | 3,100 feet / 945 meters |
| Time Zone | Central Time Zone |
| Local time | 15:22:11 (11th April 2026) |
| Population growth | -7.1% (2010-2020) |
| Weather | 58℉ Partly Sunny then Slight Chance Rain Showers 7-days weather |
Geography
Rock Grove is located at 42°27'47"N 89°30'43"W (42.4630700, -89.5120600).
Rock Grove map
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Weather
A slight chance of rain showers after 1pm. Partly sunny, with a high near 58.
7-Day ForecastDemographics
According to census records, the population of Rock Grove decreased by 7.1% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 1,388 | - | census |
| 2011 | 1,383 | -0.36% | estimation process |
| 2012 | 1,369 | -1.02% | estimation process |
| 2013 | 1,367 | -0.15% | estimation process |
| 2014 | 1,358 | -0.66% | estimation process |
| 2015 | 1,342 | -1.19% | estimation process |
| 2016 | 1,339 | -0.22% | estimation process |
| 2017 | 1,325 | -1.06% | estimation process |
| 2018 | 1,320 | -0.38% | estimation process |
| 2019 | 1,315 | -0.38% | estimation process |
| 2020 | 1,296 | -1.47% | estimation process |
Nearby Schools and Colleges
Schools and campuses linked to Rock Grove, IL. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 145521 | Highland Community College | Freeport (IL) | 61032-9341 |
Nearby Transit Stations (7)
Rail and bus stations connected to Rock Grove, IL. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| BET | South Beloit, Illinois | 15766 Manchester Road | BUS |
| RCK | Rockford, Illinois | 7559 Walton St. | BUS |
| JVL | Janesville, Wisconsin | 3120 North Pontiac Drive | BUS |
| SMD | Madison (South), Wisconsin | Hwy 51 & East Broadway Ave. | BUS |
| MSN | Madison, Wisconsin | 800 Langdon St. | BUS |
Closest post offices linked to Rock Grove.
| Post Office Name | City | ZIP |
|---|---|---|
| Rock City Post Office | Rock City (IL) | 61070 |
Other cities in Stephenson County
Cities, towns, neighborhoods & other populated places in Stephenson County , IL.
| City Name | Population | Title |
|---|---|---|
| Freeport | 23,447 | City in Illinois |
| Lena | 2,680 | Human settlement in Illinois, United States of America |
| Loran | 1,327 | Unincorporated community in Illinois, United States |
| Oneco | 1,228 | Human settlement in Illinois, United States of America |
| Kent | 787 | Human settlement in Illinois, United States of America |
| Pearl City | 772 | Village in the United States |
| Orangeville | 737 | Human settlement in Illinois, United States of America |
| Cedarville | 675 | Human settlement in Stephenson County, Illinois, United States of America |
| Davis | 616 | Village in Stephenson County, Illinois, USA |
| Dakota | 459 | Town in Stephenson County, Illinois, United States |
| German Valley | 417 | Village in Illinois |
| Rock City | 279 | Village in Illinois |
| Winslow | 272 | Human settlement in Illinois, United States of America |
| Ridott | 149 | Human settlement in Illinois, United States of America |
Distance to Other Cities
Rock Grove distances to largest Illinois cities