Somonauk, Illinois
Somonauk: City in Illinois, United States of America
About
Somonauk is a city located in the county of DeKalb in the U.S. state of Illinois. Its population at the 2010 census was 1,893 and a population density of 316 people per km². After 10 years in 2020 city had an estimated population of 1,860 inhabitants.
Quick Facts about Somonauk
| Population : | 1,860 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | DeKalb County |
| Postal code : | 60552 |
| Area : | 6 km2 |
| Altitude : | 686 feet / 209 meters |
| Time Zone : | America/Chicago |
| Local time : | 01:05:20 (5th December 2025) |
| Density : | 310 Pop. per km² as of 2020 |
| Population growth : | -1.77% (2010-2020) |
Geography
Somonauk is located at 41°38'1"N 88°40'52"W (41.6336400, -88.6811900).
Somonauk map
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- Official Website
Official website of Somonauk
Demographics
According to census records, the population of Somonauk decreased by 1.77% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 1,893 | - | census |
| 2011 | 1,879 | -0.75% | estimation process |
| 2012 | 1,877 | -0.11% | estimation process |
| 2013 | 1,872 | -0.27% | estimation process |
| 2014 | 1,878 | 0.32% | estimation process |
| 2015 | 1,873 | -0.27% | estimation process |
| 2016 | 1,870 | -0.16% | estimation process |
| 2017 | 1,872 | 0.11% | estimation process |
| 2018 | 1,870 | -0.11% | estimation process |
| 2019 | 1,875 | 0.27% | estimation process |
| 2020 | 1,860 | -0.81% | estimation process |
Demographic Facts
| Estimated population as of July 1, 2019 : | 100,670 |
| Based on demographic estimates as of April 1, 2010 : | 92,422 |
| Based on demographic estimates as of 1 April 2010 : | 8.9% |
| April 1, 2020 Population : | 102,386 |
| April 1, 2010 Population : | 92,428 |
| People under 5 years old, percentage : | 5.8% |
| People under 18 years old, percentage : | 22.7% |
| People over 65 (%) : | 14.0% |
| Female persons, % : | 48.3% |
| White only, percent : | 65.7% |
| Black or African American alone, percent : | 10.1% |
| American Indian and Alaska Native only, % : | 0.7% |
| Asians alone % : | 7.8% |
| Only Native Hawaiians and Other Pacific Islanders, % : | 0.9% |
| % of people who have participated in two or more races : | 8.1% |
| % of Hispanic or Latino : | 24.8% |
| White people, not Hispanic or Latino people, make up the majority of the population. : | 50.5% |
| 2015-2019 Veterans : | 9,288 |
| Percentage of foreign-born people, 2015-2019 : | 12.2% |
| Rate of owner-occupied housing units, 2015-2019 : | 62.0% |
Somonauk zip code is 60552.
County name: LaSalle, County
fips: 17099
Economic Facts
| Rate of owner-occupied housing units, 2015-2019 : | 62.0% |
| Owner-occupied housing unit median value, 2015-2019 : | $422,400 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $2,266 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $567 |
| 2015-2019 median gross rent : | $1,641 |
| 2015-2019 Households : | 32,698 |
| Population per household, 2015-2019 : | 2.81 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 84.5% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 20.2% |
| Households with computers, %, 2015-2019 : | 95.1% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 92.8% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 89.1% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 23.6% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 7.5% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 4.9% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 57.9% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 59.7% |
| Total sales of lodging and food services in 2012 ($1,000) : | 173,139 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 895,184 |
| 2012 total retail sales ($1,000) : | 1,586,199 |
| 2012 total retail sales per capita : | $16,893 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 28.7 |
| 2015-2019 median household income (in 2019 dollars) : | $87,823 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $36,021 |
| Percentage of people living in poverty : | 7.4% |
| Total number of businesses in 2012 : | 5,411 |
| Men-owned businesses in 2012 : | 2,202 |
| Women-owned businesses in 2012 : | 2,101 |
| Minority-owned businesses in 2012 : | 1,626 |
| Non-minority-owned businesses in 2012 : | 3,329 |
| Veteran-owned businesses in 2012 : | 491 |
| Nonveteran-owned businesses in 2012 : | 4,345 |
| 2010 population per square mile : | 3,257.7 |
| 2010 land area in square miles : | 28.37 |
Schools in Somonauk
College & universities near Somonauk, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 149727 | Waubonsee Community College | Sugar Grove (IL) | 60554-9454 |
Stations (20)
Amtrak & bus stations near Somonauk, IL
| Code | Name | Address | Type |
|---|---|---|---|
| PLO | Plano | 101 West Main Street | RAIL |
| MDT | Mendota station | 783 Main Street | RAIL |
| NPV | Naperville | 105 E. Fourth Ave. | RAIL |
| JOL | Joliet Transportation Center | 50 East Jefferson Street | RAIL |
| DWT | Dwight station | 119 West Main St. | RAIL |
Post offices near Somonauk
| Post Office Name | City | ZIP |
|---|---|---|
| Somonauk Post Office | Somonauk (IL) | 60552 |
Other cities in DeKalb County
Cities, towns, neighborhoods & other populated places in DeKalb County , IL.
| City Name | Population | Title |
|---|---|---|
| DeKalb | 42,621 | The county seat of DeKalb County, Illinois. |
| Sycamore | 18,317 | City in Illinois |
| Sandwich | 7,384 | Town in DeKalb, Kendall, and LaSalle counties, Illinois, United States |
| Genoa | 5,251 | City in DeKalb County, Illinois, United States |
| Cortland | 4,393 | Township in DeKalb County, Illinois |
| Hinckley | 2,042 | Illinois |
| Kirkland | 1,717 | Village in DeKalb County, Illinois, United States |
| Waterman | 1,497 | Human settlement in Illinois, United States of America |
| Malta | 1,161 | Village in Illinois, US |
| Shabbona | 913 | Township in DeKalb County, Illinois |
Distance to Other Cities
Somonauk distances to largest Illinois cities
