Hennepin, Illinois Population 2021

703
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Hennepin is a city located in Putnam County Illinois. It is also the county seat of Putnam County. With a 2020 population of 703, it is the 750th largest city in Illinois and the 11866th largest city in the United States . Hennepin is currently declining at a rate of -0.14% annually and its population has decreased by -7.13% since the most recent census, which recorded a population of 757 in 2010. Hennepin reached it's highest population of in . Spanning over 6 miles, Hennepin has a population density of 132 people per square mile.

The average household income in Hennepin is $70,379 with a poverty rate of 10.50%. The median rental costs in recent years comes to $713 per month, and the median house value is $152,000. The median age in Hennepin is 47.7 years, 47.1 years for males, and 48.5 years for females.

Hennepin Demographics

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

  • White: 95.87%
  • Two or more races: 2.00%
  • Black or African American: 1.60%
  • Asian: 0.53%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Hennepin, Illinois is 703 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 705.The last official US Census in 2010 recorded the population at 757.

Hennepin, Illinois Population 2021

Population by Race

Race Population Percentage
White71995.87%
Two or More Races152.00%
Black or African American121.60%
Asian40.53%
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Hennepin Population by Race

Hennepin Population Pyramid $2021

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Hennepin Median Age

47.7


Total

47.1


Male

48.5


Female

Hennepin Adults

There are 606 adults, (190 of whom are seniors) in Hennepin.

Hennepin Age Dependency

80.3

Age Dependency Ratio

45.7

Old Age Dependency Ratio

34.6

Child Dependency Ratio

Hennepin Sex Ratio

Female

383

51.07%

Male

367

48.93%

Hennepin Population by Age

Hennepin Renter vs Owner Occupied by Household Type

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Hennepin Household Types

Type Owner Renter
Non Family50.7%49.3%
Female53.8%46.2%
Male66.7%33.3%
All70.7%29.3%
Married89.5%10.5%

70.7%

Rate of Home Ownership

Hennepin Households and Families

Type Count Average Size Owned
All3452.1670.7
Married1722.6989.5
Non Family1381.1450.7
Female263.6953.8
Male93.2266.7

2.75

Average Family Size

2.16

Average Household Size

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Hennepin Households by Type

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Education Attained Count Percentage
Less Than 9th Grade61.12%
9th to 12th Grade71.30%
High School Graduate22141.08%
Some College14526.95%
Associates Degree7013.01%
Bachelors Degree427.81%
Graduate Degree478.74%
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Hennepin Educational Attainment by Sex (over 25)

Hennepin Educational Attainment by Race

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Race Total High School Bachelors
White52151089
Hispanic88
Black53
2+ Races44

The highest rate of high school graduation is among 2+ races people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 17.08%.

Hennepin Educational Attainment by Race

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Name Average Male Female
Overall$36,797$53,472$23,250
Less Than 9th Grade$$$
High School Graduate$36,094$57,500$22,656
Some College$35,000$53,750$20,288
Bachelors Degree$35,000$53,333$27,500
Graduate Degree$50,750$$51,000

$36,797

Average Earnings

$53,472

Average Male

$23,250

Average Female

Hennepin Earnings by Educational Attainment

Hennepin Language by Age

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Hennepin Language

97.25% of Hennepin residents speak only English, while 2.75% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.75% of the population.

Hennepin Language

Hennepin Poverty by Race

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Name Total In Poverty Poverty Rate
White6937110.25%
Hispanic28414.29%
Black9333.33%

10.50%

Overall Poverty Rate

13.33%

Male Poverty Rate

7.83%

Female Poverty Rate

Poverty in Hennepin

The race most likely to be in poverty in Hennepin is Black, with 33.33% below the poverty level.

The race least likely to be in poverty in Hennepin is White, with 10.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.50%. Among those working part-time, it was 18.18%, and for those that did not work, the poverty rate was 3.81%.

Hennepin Poverty

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Name Poverty
Some College9.35%
High School3.18%
Bachelors or Greater0.00%
Less Than 9th Grade0.00%

Hennepin Poverty Rate by Education

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Rate Poverty
Male Unemployed71.43%
Female Employed11.59%
Male Employed10.14%
Female Unemployed0.00%

Hennepin Poverty Rate by Employment Status and Sex

Hennepin Income by Household Type

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Name Median Mean
Households$61,875$70,379
Families$82,250$88,954
Married Families$88,750-
Non Families$33,542$40,896
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Income by Household Type

Hennepin Marital Status

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Marriage Rates

53.3%

Overall Marriage Rate

55.8%

Male Marriage Rate

50.9%

Female Marriage Rate

Hennepin Married by Age and Sex

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Hennepin 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 45-54.

Hennepin Marital Status by Race

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Hennepin Marital Status

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60

Number of Veterans

58

Male Veterans

2

Female Veterans

War Veterans
Korea11
Vietnam11
First Gulf War7
Second Gulf War4
World War II

Hennepin Veterans by War

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Age Group Veterans
75+29
35 to 5415
65 to 7411
55 to 643
18 to 342

Hennepin Veterans by Age

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Hennepin Veterans by Race

Hennepin Veterans by Education

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3.33%

Veteran Poverty Rate

21.67%

Veteran Disability Rate

Hennepin Veterans by Education

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59.8%

Labor Force Participation

58.2%

Employment Rate

2.6%

Unemployment Rate

Hennepin Employment by Age

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Hennepin Employment by Race

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Hennepin 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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83.07%

Born in Hennepin

98.53%

Native Born

1.47%

Foreign Born

0.40%

Non Citizen

1.07%

Naturalized

Place of Birth

98.53% of Hennepin residents were born in the United States, with 83.07% having been born in Illinois. 0.40% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Hennepin Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021703-1-0.14%
2020704-1-0.14%
2019705-1-0.14%
201870630.43%
2017703-5-0.71%
2016708-4-0.56%
2015712-15-2.06%
2014727-4-0.55%
2013731-11-1.48%
2012742-10-1.33%
2011752-7-0.92%
20107590.00%

Hennepin Population by Year