Somonauk, IL

Illinois · Metropolitan Area

Somonauk is a small town in Illinois with a population of 1,592. Residents earn $81,731 per year, which is 9% above the national average.

4.1 /5.0
A Great
1,592 Population 637/sq mi density
$81,731 Median Income $44,114 per capita
$221,500 Home Value $312,530 Zillow
$883 Median Rent
48°F Avg Temperature
A
Overall
4.1 / 5.0
Great overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$81,731 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$221,500 home value, $883/mo rent
C+
Education
2.8 / 5.0
22.7% bachelor's degree or higher
Median Income $81,731
9% higher than US avg
Home Value $221,500
21% lower than US avg
Bachelor's+ 22.7%
33% lower than US avg
Median Rent $883
24% lower than US avg
Obesity Rate 34.5%
7% higher than US avg
Unemployment 2.6%
28% lower than US avg
Poverty Rate 0.9%
93% lower than US avg

How Somonauk Compares to the U.S. Average (100% = U.S. avg)

People

Population1,592
Median Age46.1 yrs
Density637/mi²
Male / Female48% / 52%
Largest GroupWhite 93%

Economy

A+
Median Income$81,731
Per Capita$44,114
Unemployment2.6%
Poverty0.9%
County GDP$5,408M
Commute28 min

Housing

A+
Home Value$221,500
Rent$883
OwnershipN/A
Zillow$312,530

Crime

ViolentN/A
PropertyN/A

Health

Obesity34.5%
UninsuredN/A
Depression24.1%
Heart Disease4.7%

Climate

Avg Temp48°F
AQI43 (Good)
Rain36.8 in/yr
Elevation685 ft

Education

C+
Bachelor's+22.7%
High School+96.2%
School Score5.34

Community

2024 VoteR 48% / D 50%
Commute28 min
Libraries5

Is Somonauk a Good Place to Live?

Based on current data, Somonauk receives an overall livability score of 4.1 out of 5.0, earning a grade of A. Key strengths include low unemployment, affordable housing, a low poverty rate, high health insurance coverage. Somonauk stands out as an excellent place to live, with strong marks across most quality-of-life indicators.

Economy & Jobs

The median household income in Somonauk is $81,731, roughly in line with the national average of $75,149. The job market is very strong with unemployment at just 2.6%. Only 0.9% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 28 minutes.

Cost of Living & Housing

The median home value in Somonauk is $221,500, 21% below the national median — offering relatively affordable homeownership. Renters pay a median of $883 per month, below the national average — a plus for affordability. At just 2.7x median income, home prices are very affordable relative to local earnings.

Education

22.7% of residents hold a bachelor's degree, below the national average of 33.7%. 96.2% have completed high school. Area schools have an average test score of 5.3/10.

Climate & Weather

Somonauk experiences four distinct seasons with an average temperature of 48°F. Winters average 20°F in January while summers reach 72°F in July. Annual precipitation totals 36.8 inches, including 30.1 inches of snow. Air quality is rated Good with a median AQI of 43.

Somonauk has a population of 1,592 with a density of 637 people per square mile. The median age is 46.1 years, 19% older than the national median of 38.9. The city is predominantly White (92.5%).

Population

1,592
Total Population
637
People / sq mi
46.1yrs
Median Age
19% above US avg
2.5mi²
Land Area

Gender Distribution

Male 47.7%
Female 52.3%

Race & Ethnicity

Somonauk vs U.S. Average

Language Spoken at Home

English Only98.6%
26% above US avg
Spanish1.4%
90% below US avg

Social Characteristics

Somonauk vs U.S. Average

The median household income in Somonauk is $81,731, which is 9% above the national average of $75,149. The unemployment rate is 2.6% (below the 3.6% US average). 0.9% of residents live below the poverty line. Workers commute an average of 28 minutes.

Income: Somonauk vs U.S.

Commute Mode

Income

Median HH Income$81,731
9% above US avg
Per Capita Income$44,114
Avg Weekly Wage$985
IRS Avg AGI$87,438

Employment & Poverty

Unemployment2.6%
28% below US avg
Poverty Rate0.9%
93% below US avg
Establishments (County)2,463
County GDP$5,408M

Business (County)

Restaurants235
Healthcare218
Retail253
Manufacturing85

Tax & Cost of Living

Property Tax (IRS)$8,287
137% above US avg
Effective Tax Rate3.74%

Commute & Transportation

Commute Time27.7 min
Work from Home6.4%

Walkability

The median home value in Somonauk is $221,500, 21% below the national average. Monthly rent averages $883 (24% below US avg). Zillow estimates the typical home value at $312,530.

Home Value Sources

Ownership Split

Home Values

Census Median$221,500
21% below US avg
Zillow ZHVI$312,530
Median List Price$309,900

Real Estate Market (Redfin)

Median List Price$309,900
$/Sq Ft$126
Homes Sold1
Sale-to-List Ratio108.0%
Price Drops18.2%
Inventory11

Rental Costs

Census Median Rent$883
24% below US avg

HUD Fair Market Rent

Studio$774
1 Bedroom$854
2 Bedrooms$1,063
3 Bedrooms$1,370
4 Bedrooms$1,561

Ownership & Property

Owner-Occupied72.2%

Property Tax

Avg Tax (IRS)$8,287
137% above US avg
Effective Rate3.74%
In Somonauk, 34.5% of adults are obese (above the 32.1% national rate). 24.1% report depression. 19.8% are physically inactive.

Health Metrics: Somonauk vs U.S. Average (%)

Chronic Conditions

Obesity34.5%
7% above US avg
Diabetes8.6%
Heart Disease4.7%
High Blood Pressure28.7%
Asthma10.5%
COPD5.6%
Stroke2.5%

Behaviors & Mental Health

Binge Drinking21.9%
Physical Inactivity19.8%
Depression24.1%
Mental Distress18.1%
Physical Distress11.6%

Healthcare Access

Insurance Rate95.1%
Checkup Rate75.1%
Premature Death4,543/100K

Food & Exercise

Food Environment9.2/10
Exercise Access90.7%
Healthcare Facilities218

Crime Rates: Somonauk vs U.S. Average (per 100,000)

Violent Crime

Property Crime

Traffic Safety

Fatal Crashes (County/yr)6

Safety Score

Somonauk has an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 72°F in July. Annual precipitation is 36.8 inches. Air quality is rated Good with a median AQI of 43.

Temperature

20°F Jan (-7°C) 72°F Jul (22°C)
Annual Average47.8°F
11% below US avg
January Average20°F (-7°C)
July Average72°F (22°C)

Precipitation & Snow

Annual Rainfall36.8 inches
3% below US avg
Snowfall30.1 inches/yr

Air Quality

AQI Median43.0
RatingGood

Geography

Elevation685 ft (209 m)
Area2.5 sq mi (6.5 km²)
Population Density637/sq mi
Coordinates41.6347°N, 88.6875°W
County FIPS17093
It is classified as Metro — 1 million+. 22.7% of residents hold a bachelor's degree or higher (33% below US avg). In the 2024 election, the county voted Democrat by a 1.5-point margin.

2024 Presidential Election (County)

R 48.5%
D 50%

Winner: Democrat by 1.5 points

Education

Bachelor's Degree+22.7%
33% below US avg
High School+96.2%
School Test Score5.34
C+ Education Grade (2.8/5.0)

Urban-Rural Classification

RUCC Code 1Metro — 1 million+
Population Density637/sq mi
Total Area2.5 sq mi

Infrastructure & Services

Alt Fuel Stations1
Public Libraries5
Healthcare Facilities218
Restaurants235
Retail Stores253

Safety & Disasters

Fatal Crashes (County/yr)6

Commute & Transportation

Avg Commute27.7 min
Work from Home6.4%

Nearby Cities

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