South Wilmington, Illinois
South Wilmington: Human settlement in Illinois, United States of America
About
South Wilmington is a city located in the county of Grundy in the U.S. state of Illinois. Its population at the 2010 census was 681 and a population density of 1,216 people per km². After 10 years in 2020 city had an estimated population of 637 inhabitants.
Quick Facts about South Wilmington
| Population : | 637 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | Grundy County |
| Area : | 0.56 km2 |
| Altitude : | 1,919 feet / 585 meters |
| Time Zone : | America/Chicago |
| Local time : | 03:08:44 (5th December 2025) |
| Postal code : | 60474 |
| Density : | 1,138 Pop. per km² as of 2020 |
| Population growth : | -6.91% (2010-2020) |
Geography
South Wilmington is located at 41°10'22"N 88°16'36"W (41.1728100, -88.2767300).
South Wilmington map
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Demographics
According to census records, the population of South Wilmington decreased by 6.91% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 681 | - | census |
| 2011 | 676 | -0.74% | estimation process |
| 2012 | 674 | -0.3% | estimation process |
| 2013 | 669 | -0.75% | estimation process |
| 2014 | 666 | -0.45% | estimation process |
| 2015 | 660 | -0.91% | estimation process |
| 2016 | 656 | -0.61% | estimation process |
| 2017 | 652 | -0.61% | estimation process |
| 2018 | 648 | -0.62% | estimation process |
| 2019 | 644 | -0.62% | estimation process |
| 2020 | 637 | -1.1% | estimation process |
Demographic Facts
| Estimated population as of July 1, 2019 : | 11,024 |
| Based on demographic estimates as of April 1, 2010 : | 10,657 |
| Based on demographic estimates as of 1 April 2010 : | 3.4% |
| April 1, 2020 Population : | 10,739 |
| April 1, 2010 Population : | 10,648 |
| People under 5 years old, percentage : | 3.2% |
| People under 18 years old, percentage : | 16.3% |
| People over 65 (%) : | 30.4% |
| Female persons, % : | 54.5% |
| White only, percent : | 90.0% |
| Black or African American alone, percent : | 0.3% |
| American Indian and Alaska Native only, % : | 0.1% |
| Asians alone % : | 2.7% |
| Only Native Hawaiians and Other Pacific Islanders, % : | 0.0% |
| % of people who have participated in two or more races : | 4.0% |
| % of Hispanic or Latino : | 20.8% |
| White people, not Hispanic or Latino people, make up the majority of the population. : | 73.4% |
| 2015-2019 Veterans : | 637 |
| Percentage of foreign-born people, 2015-2019 : | 10.9% |
| Rate of owner-occupied housing units, 2015-2019 : | 61.0% |
South Wilmington zip code is 60474.
County name: Grundy, County
fips: 17063
Economic Facts
| Rate of owner-occupied housing units, 2015-2019 : | 61.0% |
| Owner-occupied housing unit median value, 2015-2019 : | $785,900 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $2,762 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $897 |
| 2015-2019 median gross rent : | $1,836 |
| 2015-2019 Households : | 5,125 |
| Population per household, 2015-2019 : | 2.12 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 83.7% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 18.5% |
| Households with computers, %, 2015-2019 : | 92.6% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 89.7% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 91.3% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 42.0% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 11.7% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 5.8% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 58.6% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 53.3% |
| Total sales of lodging and food services in 2012 ($1,000) : | 103,166 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 149,750 |
| Manufacturers' total shipments in 2012 ($1,000) : | 478,756 |
| 2012 total retail sales ($1,000) : | 245,077 |
| 2012 total retail sales per capita : | $22,590 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 29.7 |
| 2015-2019 median household income (in 2019 dollars) : | $84,352 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $52,619 |
| Percentage of people living in poverty : | 10.5% |
| Total number of businesses in 2012 : | 2,122 |
| Men-owned businesses in 2012 : | 817 |
| Women-owned businesses in 2012 : | 857 |
| Minority-owned businesses in 2012 : | 216 |
| Non-minority-owned businesses in 2012 : | 1,706 |
| Veteran-owned businesses in 2012 : | 107 |
| Nonveteran-owned businesses in 2012 : | 1,858 |
| 2010 population per square mile : | 3,883.3 |
| 2010 land area in square miles : | 2.74 |
| Rate of owner-occupied housing units, 2015-2019 : | 78.0% |
| Owner-occupied housing unit median value, 2015-2019 : | $157,700 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $1,151 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $411 |
| 2015-2019 median gross rent : | $897 |
| 2015-2019 Households : | 1,669 |
| Population per household, 2015-2019 : | 3.43 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 88.9% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 42.8% |
| Households with computers, %, 2015-2019 : | 93.8% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 85.7% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 79.1% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 5.9% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 12.5% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 23.5% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 62.5% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 56.7% |
| 2012 total retail sales ($1,000) : | 11,070 |
| 2012 total retail sales per capita : | $2,134 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 39.8 |
| 2015-2019 median household income (in 2019 dollars) : | $43,544 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $16,833 |
| Percentage of people living in poverty : | 26.5% |
| Total number of businesses in 2012 : | 373 |
| Men-owned businesses in 2012 : | 179 |
| Women-owned businesses in 2012 : | 142 |
| Minority-owned businesses in 2012 : | 197 |
| Non-minority-owned businesses in 2012 : | 174 |
| Veteran-owned businesses in 2012 : | 43 |
| Nonveteran-owned businesses in 2012 : | 328 |
| 2010 population per square mile : | 448.4 |
| 2010 land area in square miles : | 11.38 |
Schools in South Wilmington
College & universities near South Wilmington, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 147828 | Olivet Nazarene University | Bourbonnais (IL) | 60914-2271 |
Stations (21)
Amtrak & bus stations near South Wilmington, IL
| Code | Name | Address | Type |
|---|---|---|---|
| DWT | Dwight station | 119 West Main St. | RAIL |
| KKI | Kankakee | 199 South East Ave. | RAIL |
| JOL | Joliet Transportation Center | 50 East Jefferson Street | RAIL |
| PON | Pontiac station | 721 West Washington St. | RAIL |
| GLM | Gilman | US Hwy 24 & West Wenona St. | RAIL |
Post offices near South Wilmington
| Post Office Name | City | ZIP |
|---|---|---|
| South Wilmington Post Office | South Wilmington (IL) | 60474 |
Other cities in Grundy County
Cities, towns, neighborhoods & other populated places in Grundy County , IL.
| City Name | Population | Title |
|---|---|---|
| Morris | 15,162 | City in Illinois |
| Aux Sable | 13,493 | Township in Grundy County, Illinois |
| Minooka | 11,456 | City in Illinois, United States of America |
| Coal City | 5,351 | Village in United States of America |
| Diamond | 2,484 | Village in Illinois, USA |
| Wauponsee | 2,329 | Unincorporated community in Illinois |
| Mazon | 1,860 | Village in the United States |
| Gardner | 1,377 | Village in Illinois, United States |
| Braceville | 709 | Township in Grundy County, Illinois |
| Nettle Creek | 484 | Township in Grundy County, Illinois |
| Carbon Hill | 334 | Human settlement in Illinois, United States of America |
| Verona | 208 | Village in Illinois, United States |
| East Brooklyn | 104 | Village in Illinois, United States |
| Kinsman | 96 | Village in Illinois, United States |
