Rock City, Illinois
Rock City: Village in Illinois
About
Rock City is a village located in the county of Stephenson in the U.S. state of Illinois. Its population at the 2010 census was 315 and a population density of 2,100 people per km². After 10 years in 2020 city had an estimated population of 279 inhabitants.
The village was created 166 years ago in 1858.
Quick Facts about Rock City
| Population : | 279 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | Stephenson County |
| Area : | 0.15 km2 |
| Altitude : | 2,982 feet / 909 meters |
| Establishment : | January 01, 1859 (166 years ago) |
| Time Zone : | America/Chicago |
| Local time : | 14:12:09 (6th December 2025) |
| Postal code : | 61070 |
| Density : | 1,860 Pop. per km² as of 2020 |
| Population growth : | -12.9% (2010-2020) |
Geography
Rock City is located at 42°24'48"N 89°28'5"W (42.4133500, -89.4681700).
Rock City map
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Demographics
According to census records, the population of Rock City decreased by 12.9% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 315 | - | census |
| 2011 | 302 | -4.3% | estimation process |
| 2012 | 299 | -1% | estimation process |
| 2013 | 298 | -0.34% | estimation process |
| 2014 | 296 | -0.68% | estimation process |
| 2015 | 292 | -1.37% | estimation process |
| 2016 | 291 | -0.34% | estimation process |
| 2017 | 288 | -1.04% | estimation process |
| 2018 | 285 | -1.05% | estimation process |
| 2019 | 283 | -0.71% | estimation process |
| 2020 | 279 | -1.43% | estimation process |
Demographic Facts
| Estimated population as of July 1, 2019 : | 312,697 |
| Based on demographic estimates as of April 1, 2010 : | 292,182 |
| Based on demographic estimates as of 1 April 2010 : | 7.0% |
| April 1, 2020 Population : | 320,804 |
| April 1, 2010 Population : | 291,707 |
| People under 5 years old, percentage : | 7.3% |
| People under 18 years old, percentage : | 27.7% |
| People over 65 (%) : | 12.4% |
| Female persons, % : | 51.0% |
| White only, percent : | 44.8% |
| Black or African American alone, percent : | 11.2% |
| American Indian and Alaska Native only, % : | 0.7% |
| Asians alone % : | 21.5% |
| Only Native Hawaiians and Other Pacific Islanders, % : | 0.6% |
| % of people who have participated in two or more races : | 11.8% |
| % of Hispanic or Latino : | 42.7% |
| White people, not Hispanic or Latino people, make up the majority of the population. : | 20.6% |
| 2015-2019 Veterans : | 10,667 |
| Percentage of foreign-born people, 2015-2019 : | 25.7% |
| Rate of owner-occupied housing units, 2015-2019 : | 48.8% |
Rock City zip code is 61070.
County name: Stephenson, County
fips: 17177
Rock City, Rock Run
Economic Facts
| Rate of owner-occupied housing units, 2015-2019 : | 48.8% |
| Owner-occupied housing unit median value, 2015-2019 : | $273,400 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $1,680 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $499 |
| 2015-2019 median gross rent : | $1,115 |
| 2015-2019 Households : | 95,514 |
| Population per household, 2015-2019 : | 3.17 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 87.1% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 45.8% |
| Households with computers, %, 2015-2019 : | 89.2% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 78.8% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 76.7% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 18.3% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 10.0% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 7.6% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 59.5% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 53.4% |
| Total sales of lodging and food services in 2012 ($1,000) : | 366,499 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 1,918,080 |
| Manufacturers' total shipments in 2012 ($1,000) : | 2,921,782 |
| 2012 total retail sales ($1,000) : | 3,294,960 |
| 2012 total retail sales per capita : | $11,058 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 31.1 |
| 2015-2019 median household income (in 2019 dollars) : | $54,614 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $24,214 |
| Percentage of people living in poverty : | 17.9% |
| Total number of businesses in 2012 : | 16,992 |
| Men-owned businesses in 2012 : | 8,728 |
| Women-owned businesses in 2012 : | 6,688 |
| Minority-owned businesses in 2012 : | 10,373 |
| Non-minority-owned businesses in 2012 : | 5,966 |
| Veteran-owned businesses in 2012 : | 1,330 |
| Nonveteran-owned businesses in 2012 : | 14,925 |
| 2010 population per square mile : | 4,730.2 |
| 2010 land area in square miles : | 61.67 |
Schools in Rock City
College & universities near Rock City, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 145521 | Highland Community College | Freeport (IL) | 61032-9341 |
Stations (9)
Amtrak & bus stations near Rock City, IL
| 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 |
Post offices near Rock City
| 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 |
| Rock Grove | 1,296 | Unincorporated community in Illinois |
| 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 |
| Winslow | 272 | Human settlement in Illinois, United States of America |
| Ridott | 149 | Human settlement in Illinois, United States of America |
