Somonauk, IL
Population 1,592 · Illinois
About Somonauk, IL
Somonauk is a small community in Illinois with a population of 1,592 residents. The median household income is $81,731 per year, which is above the national average. The median age in Somonauk is 46.1 years.
Housing in Somonauk has a median home value of $221,500 and median monthly rent of $883. Of the 692 total housing units, the majority are owner-occupied, with 478 owner-occupied and 184 renter-occupied units.
The unemployment rate in Somonauk is 4.1% and the poverty rate is 5.9%. 22.7% of residents hold a bachelor's degree or higher. The average commute time is 27.7 minutes.
Cost of Living in Somonauk, IL
Compared to national averages, Somonauk has a median household income of $81,731 (9% above the national median of $75,149). Home values average $221,500, which is 10% below the national median. Monthly rent at $883 is 24% below the US average of $1,163. Within Illinois, Somonauk's income is 9% above the state average of $75,072, and home values are 34% above the state median of $165,779.
Why Live in Somonauk, IL?
Somonauk offers a strong local economy with a median household income of $81,731, well above the national average, and affordable housing with a median home value of $221,500, below the US average of $244,900, and rent that’s lower than the national average at $883/month. Additionally, the city features a low poverty rate of 5.9%, better than the national average.
Somonauk has a population of 1,592 with a median age of 46.1 years. Compare Somonauk with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Somonauk
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| De Pue | 1,594 | $56,176 | $63,600 | Compare |
| Leland Grove | 1,595 | $126,944 | $261,500 | Compare |
| Ford Heights | 1,587 | $34,323 | $48,000 | Compare |
| Delavan | 1,600 | $69,038 | $118,400 | Compare |
| Fisher | 1,600 | $92,697 | $177,300 | Compare |
| Ina | 1,600 | $46,250 | $88,500 | Compare |
| Gilman | 1,576 | $65,729 | $108,900 | Compare |
| Port Barrington | 1,574 | $144,167 | $361,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Somonauk
What is the population of Somonauk, IL?
The population of Somonauk, IL is 1,592 according to the latest Census data.
What is the median household income in Somonauk?
The median household income in Somonauk, IL is $81,731 per year.
What is the median home value in Somonauk?
The median home value in Somonauk, IL is $221,500.
What is the average rent in Somonauk?
The median monthly rent in Somonauk, IL is $883.
What is the unemployment rate in Somonauk?
The unemployment rate in Somonauk, IL is 4.1%.