Somonauk is a city located in DeKalb County, Kendall County, and LaSalle County Illinois. Somonauk has a 2024 population of 1,757. Somonauk is currently declining at a rate of -0.4% annually and its population has decreased by -1.68% since the most recent census, which recorded a population of 1,787 in 2020.
The average household income in Somonauk is $101,771 with a poverty rate of 6.13%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Somonauk is 38.9 years, 38.5 years for males, and 40.2 years for females.
According to the most recent ACS, the racial composition of Somonauk was:
White
Two or more races
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 676 | 2.66 | 71.6 | 28.4 |
| Married | 389 | 3.3 | 82.5 | 17.5 |
| Non Family | 202 | 1.12 | 54 | 46 |
| Female | 75 | 3.48 | 58.7 | 41.3 |
| Male | 10 | 2.8 | 100 | 0 |
3.23
Average Family Size
2.66
Average Household Size
71.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among other race people with a rate of 38.46%.
All
Male
Female
$43,816
Average Earnings
$59,826
Average Male
$30,458
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.65% of Somonauk residents speak only English, while 1.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.35% of the population.
rate
6.13%
Overall Poverty Rate
4.88%
Male Poverty Rate
7.24%
Female Poverty Rate
The race most likely to be in poverty in Somonauk is Black, with 100% below the poverty level.
The race least likely to be in poverty in Somonauk is White, with 5.1% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 12.84%, and for those that did not work, the poverty rate was 8.68%.
Married
Widowed
Divorced
Separated
NeverMarried
55.8%
Overall Marriage Rate
66.2%
Male Marriage Rate
47.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.78%
Veteran Poverty Rate
24.44%
Veteran Disability Rate
LaborForceParticipation
62.8%
Labor Force Participation
60.7%
Employment Rate
3.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
85.48%
Born in Somonauk
98.83%
Native Born
1.17%
Foreign Born
0.5%
Non Citizen
0.67%
Naturalized
98.83% of Somonauk residents were born in the United States, with 85.48% having been born in Illinois. 0.5% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 1,719 | -8 | -0.46% |
| 2028 | 1,727 | -7 | -0.4% |
| 2027 | 1,734 | -8 | -0.46% |
| 2026 | 1,742 | -7 | -0.4% |
| 2025 | 1,749 | -8 | -0.46% |
| 2024 | 1,757 | -7 | -0.4% |
| 2023 | 1,764 | -8 | -0.45% |
| 2022 | 1,772 | -14 | -0.78% |
| 2021 | 1,786 | -1 | -0.06% |
| 2020 | 1,787 | -88 | -4.69% |
| 2019 | 1,875 | 5 | 0.27% |
| 2018 | 1,870 | -2 | -0.11% |
| 2017 | 1,872 | 2 | 0.11% |
| 2016 | 1,870 | -3 | -0.16% |
| 2015 | 1,873 | -5 | -0.27% |
| 2014 | 1,878 | 6 | 0.32% |
| 2013 | 1,872 | -5 | -0.27% |
| 2012 | 1,877 | -2 | -0.11% |
| 2011 | 1,879 | -13 | -0.69% |
| 2010 | 1,892 | 0 | 0% |