Somonauk, Illinois Population 2021

1,881
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Somonauk is a city located in Illinois. With a 2020 population of 1,881, it is the 494th largest city in Illinois and the 7840th largest city in the United States . Somonauk is currently growing at a rate of 0.27% annually but its population has decreased by -0.63% since the most recent census, which recorded a population of 1,893 in 2010. Somonauk reached it's highest population of in . Spanning over 2 miles, Somonauk has a population density of 756 people per square mile.

The average household income in Somonauk is $78,471 with a poverty rate of 8.31%. The median rental costs in recent years comes to $988 per month, and the median house value is $168,900. The median age in Somonauk is 38.1 years, 38.3 years for males, and 37.6 years for females.

Somonauk Demographics

According to the most recent ACS, the racial composition of Somonaukwas:

  • White: 96.80%
  • Two or more races: 2.59%
  • Black or African American: 0.61%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Somonauk, Illinois is 1,881 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,871.The last official US Census in 2010 recorded the population at 1,893.

Somonauk, Illinois Population 2021

Population by Race

Race Population Percentage
White2,05796.80%
Two or More Races552.59%
Black or African American130.61%
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Somonauk Population by Race

Somonauk Population Pyramid $2021

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Somonauk Median Age

38.1


Total

38.3


Male

37.6


Female

Somonauk Adults

There are 1,603 adults, (286 of whom are seniors) in Somonauk.

Somonauk Age Dependency

61.4

Age Dependency Ratio

21.7

Old Age Dependency Ratio

39.6

Child Dependency Ratio

Somonauk Sex Ratio

Female

1,119

52.66%

Male

1,006

47.34%

Somonauk Population by Age

Somonauk Renter vs Owner Occupied by Household Type

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Somonauk Household Types

Type Owner Renter
Male44.8%55.2%
Non Family54.4%45.6%
All68.2%31.8%
Female71.4%28.6%
Married76.1%23.9%

68.2%

Rate of Home Ownership

Somonauk Households and Families

Type Count Average Size Owned
All7772.7368.2
Married4573.2576.1
Non Family2281.2854.4
Female634.0671.4
Male293.2844.8

3.21

Average Family Size

2.73

Average Household Size

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Somonauk Households by Type

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Education Attained Count Percentage
Less Than 9th Grade120.88%
9th to 12th Grade473.44%
High School Graduate51737.82%
Some College31122.75%
Associates Degree22316.31%
Bachelors Degree19113.97%
Graduate Degree664.83%
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Somonauk Educational Attainment by Sex (over 25)

Somonauk Educational Attainment by Race

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Race Total High School Bachelors
White1,2921,233257
Hispanic3939
2+ Races3434
Black55

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 19.89%.

Somonauk Educational Attainment by Race

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Name Average Male Female
Overall$37,422$50,594$26,643
Less Than 9th Grade$$$
High School Graduate$29,375$48,333$21,875
Some College$38,696$52,946$27,212
Bachelors Degree$39,844$46,111$37,750
Graduate Degree$57,083$86,250$

$37,422

Average Earnings

$50,594

Average Male

$26,643

Average Female

Somonauk Earnings by Educational Attainment

Somonauk Language by Age

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Somonauk Language

97.48% of Somonauk residents speak only English, while 2.52% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.56% of the population.

Somonauk Language

Somonauk Poverty by Race

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Name Total In Poverty Poverty Rate
White1,9631366.93%
Hispanic973536.08%
Multiple5559.09%

8.31%

Overall Poverty Rate

9.64%

Male Poverty Rate

7.11%

Female Poverty Rate

Poverty in Somonauk

The race most likely to be in poverty in Somonauk is Hispanic, with 36.08% below the poverty level.

The race least likely to be in poverty in Somonauk is White, with 6.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.14%. Among those working part-time, it was 13.03%, and for those that did not work, the poverty rate was 11.96%.

Somonauk Poverty

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Name Poverty
Less Than 9th Grade13.56%
Some College9.74%
High School7.74%
Bachelors or Greater6.23%

Somonauk Poverty Rate by Education

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Rate Poverty
Female Unemployed30.00%
Male Unemployed16.67%
Male Employed6.24%
Female Employed5.62%

Somonauk Poverty Rate by Employment Status and Sex

Somonauk Income by Household Type

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Name Median Mean
Households$65,139$78,471
Families$75,865$88,714
Married Families$84,583-
Non Families$30,833$46,178
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Income by Household Type

Somonauk Marital Status

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Marriage Rates

54.9%

Overall Marriage Rate

58.4%

Male Marriage Rate

51.9%

Female Marriage Rate

Somonauk Married by Age and Sex

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Somonauk Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Somonauk Marital Status by Race

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Somonauk Marital Status

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112

Number of Veterans

102

Male Veterans

10

Female Veterans

War Veterans
First Gulf War34
Second Gulf War21
Korea16
Vietnam14
World War II6

Somonauk Veterans by War

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Age Group Veterans
35 to 5450
75+28
55 to 6422
65 to 749
18 to 343

Somonauk Veterans by Age

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Name Veterans % of Total
White1036.60%
Hispanic717.95%
2+ Races615.79%
Black3100.00%

Somonauk Veterans by Race

Somonauk Veterans by Education

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7.14%

Veteran Poverty Rate

12.50%

Veteran Disability Rate

Somonauk Veterans by Education

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67.3%

Labor Force Participation

65.1%

Employment Rate

3.1%

Unemployment Rate

Somonauk Employment by Age

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Somonauk Employment by Race

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Somonauk Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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84.89%

Born in Somonauk

98.78%

Native Born

1.22%

Foreign Born

0.24%

Non Citizen

0.99%

Naturalized

Place of Birth

98.78% of Somonauk residents were born in the United States, with 84.89% having been born in Illinois. 0.24% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Somonauk Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20211,88150.27%
20201,87650.27%
20191,87150.27%
20181,866-2-0.11%
20171,86810.05%
20161,867-6-0.32%
20151,873-1-0.05%
20141,87430.16%
20131,871-5-0.27%
20121,876-2-0.11%
20111,878-13-0.69%
20101,8910.00%

Somonauk Population by Year