Hennepin, Illinois Population 2024

736

Hennepin is a city located in Putnam County Illinois. Hennepin has a 2024 population of 736. It is also the county seat of Putnam County.Hennepin is currently declining at a rate of -0.54% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 758 in 2020.

The average household income in Hennepin is $95,319 with a poverty rate of 4.22%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Hennepin is 40.9 years, 45.1 years for males, and 40.5 years for females.

Hennepin Demographics

According to the most recent ACS, the racial composition of Hennepin was:

  • White: 96.08%
  • Two or more races: 2.74%
  • Black or African American: 1.17%
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
5.3 sq mi
Density (mi²)
138.70/sq mi
Growth Since 2020
-2.9% (-22)
The current population of Hennepin, Illinois is 736 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 758.

Hennepin, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White73696.08%
Two or more races212.74%
Black or African American91.17%
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Hennepin Population by Race

Hennepin Population Pyramid 2024

Hennepin Median Age

40.9

Total

45.1

Male

40.5

Female

Hennepin Adults

There are 617 adults, (125 of whom are seniors) in Hennepin.

Hennepin Age Dependency

55.7

Age Dependency Ratio

25.4

Old Age Dependency Ratio

30.3

Child Dependency Ratio

Hennepin Sex Ratio

Female40052.22%
Male36647.78%

Hennepin Population by Age

Hennepin Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2962.5779.120.9
Married1643.3490.29.8
Non Family1181.2263.636.4
Male73.5785.714.3
Female76.2971.428.6
showing: 5 rows

3.34

Average Family Size

2.57

Average Household Size

79.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Hennepin Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Hennepin Educational Attainment by Sex (over 25)

Hennepin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 81.82%.

Hennepin Educational Attainment by Race

All

Male

Female

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$50,500

Average Earnings

$59,750

Average Male

$36,250

Average Female

Hennepin Earnings by Educational Attainment

Hennepin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Hennepin Language

97.99% of Hennepin residents speak only English, while 2.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.48% of the population.

Hennepin Language

Hennepin Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White707304.24%
Black5240%
showing: 2 rows

4.22%

Overall Poverty Rate

2.79%

Male Poverty Rate

5.5%

Female Poverty Rate

Poverty in Hennepin

The race most likely to be in poverty in Hennepin is Black, with 40% below the poverty level.

The race least likely to be in poverty in Hennepin is White, with 4.24% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.03%. Among those working part-time, it was 10.5%, and for those that did not work, the poverty rate was 4.52%.

Hennepin Poverty

rate

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Rate
Poverty
High School2.75%
Some College2.12%
Less Than 9th Grade
Bachelors or Greater
showing: 4 rows

Hennepin Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed66.67%
Female Employed6.57%
Male Employed3.03%
Female Unemployed
showing: 4 rows

Hennepin Poverty Rate by Employment Status and Sex

Hennepin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Hennepin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.0%

Overall Marriage Rate

59.0%

Male Marriage Rate

46.1%

Female Marriage Rate

Hennepin Married by Age and Sex

male

female

Hennepin Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Hennepin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Hennepin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

37

Number of Veterans

34

Male Veterans

3

Female Veterans

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Hennepin Veterans by War

count

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Hennepin Veterans by Age

count

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Hennepin Veterans by Race

Hennepin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

19.44%

Veteran Disability Rate

Hennepin Veterans by Education

LaborForceParticipation

70.1%

Labor Force Participation

68%

Employment Rate

3.1%

Unemployment Rate

Hennepin Employment by Age

LaborForceParticipation

Hennepin Employment by Race

LaborForceParticipation

Hennepin Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

87.34%

Born in Hennepin

99.22%

Native Born

0.78%

Foreign Born

0.39%

Non Citizen

0.39%

Naturalized

Place of Birth

99.22% of Hennepin residents were born in the United States, with 87.34% having been born in Illinois. 0.39% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Hennepin Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029716-4-0.56%
2028720-4-0.55%
2027724-4-0.55%
2026728-4-0.55%
2025732-4-0.54%
2024736-4-0.54%
2023740-4-0.54%
2022744-4-0.53%
2021748-10-1.32%
2020758517.21%
2019707-1-0.14%
201870830.43%
2017705-3-0.42%
2016708-3-0.42%
2015711-17-2.34%
2014728-4-0.55%
2013732-12-1.61%
2012744-10-1.33%
2011754-7-0.92%
2010761
showing: 20 rows

Hennepin Population by Year