Mendon, Illinois Population 2024

844

Mendon is a city located in Adams County Illinois. Mendon has a 2024 population of 844. Mendon is currently declining at a rate of -0.71% annually and its population has decreased by -2.88% since the most recent census, which recorded a population of 869 in 2020.

The average household income in Mendon is $71,283 with a poverty rate of 12.85%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Mendon is 37.1 years, 33.8 years for males, and 37.5 years for females.

Mendon Demographics

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

  • White: 98.59%
  • Two or more races: 1.15%
  • Other race: 0.27%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
0.9 sq mi
Density (mi²)
985.30/sq mi
Growth Since 2020
-2.88% (-25)
The current population of Mendon, Illinois is 844 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 869.

Mendon, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White1,11598.59%
Two or more races131.15%
Other race30.27%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Mendon Population by Race

Mendon Population Pyramid 2024

Mendon Median Age

37.1

Total

33.8

Male

37.5

Female

Mendon Adults

There are 780 adults, (189 of whom are seniors) in Mendon.

Mendon Age Dependency

91.4

Age Dependency Ratio

32

Old Age Dependency Ratio

59.4

Child Dependency Ratio

Mendon Sex Ratio

Female60053.05%
Male53146.95%

Mendon Population by Age

Mendon Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3952.7481.818.2
Married2293.4585.614.4
Non Family1171.0579.520.5
Female473.4768.131.9
Male23.51000
showing: 5 rows

3.39

Average Family Size

2.74

Average Household Size

81.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mendon 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

Mendon Educational Attainment by Sex (over 25)

Mendon Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among other race people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 100%.

Mendon Educational Attainment by Race

All

Male

Female

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$42,941

Average Earnings

$51,125

Average Male

$33,854

Average Female

Mendon Earnings by Educational Attainment

Mendon Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mendon Language

99.45% of Mendon residents speak only English, while 0.55% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.55% of the population.

Mendon Language

Mendon Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White1,06913412.54%
Multiple13538.46%
showing: 2 rows

12.85%

Overall Poverty Rate

8.88%

Male Poverty Rate

16.49%

Female Poverty Rate

Poverty in Mendon

The race most likely to be in poverty in Mendon is Multiple, with 38.46% below the poverty level.

The race least likely to be in poverty in Mendon is White, with 12.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.18%. Among those working part-time, it was 13.1%, and for those that did not work, the poverty rate was 30.3%.

Mendon Poverty

rate

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Rate
Poverty
Less Than 9th Grade20.83%
High School15.72%
Some College7.8%
Bachelors or Greater
showing: 4 rows

Mendon Poverty Rate by Education

rate

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Rate
Poverty
Female Employed5.93%
Male Employed3.79%
Male Unemployed
Female Unemployed
showing: 4 rows

Mendon Poverty Rate by Employment Status and Sex

Mendon Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Mendon Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.3%

Overall Marriage Rate

64.0%

Male Marriage Rate

53.6%

Female Marriage Rate

Mendon Married by Age and Sex

male

female

Mendon 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 35-44.

Mendon Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mendon Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

75

Number of Veterans

73

Male Veterans

2

Female Veterans

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Mendon Veterans by War

count

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Mendon Veterans by Age

count

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Mendon Veterans by Race

Mendon Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

16.67%

Veteran Disability Rate

Mendon Veterans by Education

LaborForceParticipation

73%

Labor Force Participation

69.7%

Employment Rate

4.4%

Unemployment Rate

Mendon Employment by Age

LaborForceParticipation

Mendon Employment by Race

LaborForceParticipation

Mendon 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

80.46%

Born in Mendon

100%

Native Born

Foreign Born

Non Citizen

Naturalized

Place of Birth

100% of Mendon residents were born in the United States, with 80.46% having been born in Illinois. of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Mendon Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029814-6-0.73%
2028820-6-0.73%
2027826-6-0.72%
2026832-6-0.72%
2025838-6-0.71%
2024844-6-0.71%
2023850-6-0.7%
2022856-6-0.7%
2021862-7-0.81%
2020869-86-9.01%
201995520.21%
2018953-8-0.83%
2017961-4-0.41%
201696520.21%
2015963-4-0.41%
201496740.42%
2013963-4-0.41%
2012967
2011967-3-0.31%
2010970
showing: 20 rows

Mendon Population by Year