Colchester, Illinois Population 2024

1,091

Colchester is a city located in McDonough County Illinois. Colchester has a 2024 population of 1,091. Colchester is currently declining at a rate of -0.09% annually and its population has decreased by -1.27% since the most recent census, which recorded a population of 1,105 in 2020.

The average household income in Colchester is $63,374 with a poverty rate of 11.96%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Colchester is 41 years, 39.6 years for males, and 41.4 years for females.

Colchester Demographics

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

  • White: 98.75%
  • Two or more races: 1.25%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
1.0 sq mi
Density (mi²)
1,094.10/sq mi
Growth Since 2020
-1.27% (-14)
The current population of Colchester, Illinois is 1,091 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 1,105.

Colchester, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White1,10698.75%
Two or more races141.25%
Black or African American
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

Colchester Population by Race

Colchester Population Pyramid 2024

Colchester Median Age

41

Total

39.6

Male

41.4

Female

Colchester Adults

There are 914 adults, (226 of whom are seniors) in Colchester.

Colchester Age Dependency

62.8

Age Dependency Ratio

32.8

Old Age Dependency Ratio

29.9

Child Dependency Ratio

Colchester Sex Ratio

Female55549.55%
Male56550.45%

Colchester Population by Age

Colchester Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5372.097327
Non Family2381.1455.944.1
Married2022.892.67.4
Female83369.930.1
Male142.431000
showing: 5 rows

2.71

Average Family Size

2.09

Average Household Size

73.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Colchester 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

Colchester Educational Attainment by Sex (over 25)

Colchester 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 white people with a rate of 19.64%.

Colchester Educational Attainment by Race

All

Male

Female

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$36,042

Average Earnings

$46,691

Average Male

$31,957

Average Female

Colchester Earnings by Educational Attainment

Colchester Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Colchester Language

99.36% of Colchester residents speak only English, while 0.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.64% of the population.

Colchester Language

Colchester Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White1,08513212.17%
Multiple14214.29%
Hispanic2328.7%
showing: 3 rows

11.96%

Overall Poverty Rate

12.57%

Male Poverty Rate

11.35%

Female Poverty Rate

Poverty in Colchester

The race most likely to be in poverty in Colchester is Multiple, with 14.29% below the poverty level.

The race least likely to be in poverty in Colchester is Hispanic, with 8.7% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.07%. Among those working part-time, it was 11.22%, and for those that did not work, the poverty rate was 29.24%.

Colchester Poverty

rate

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Rate
Poverty
Less Than 9th Grade24.42%
Some College18.94%
High School12.84%
Bachelors or Greater4.27%
showing: 4 rows

Colchester Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed78.95%
Female Unemployed12.5%
Male Employed7.98%
Female Employed3.18%
showing: 4 rows

Colchester Poverty Rate by Employment Status and Sex

Colchester Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Colchester Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.7%

Overall Marriage Rate

47.6%

Male Marriage Rate

43.8%

Female Marriage Rate

Colchester Married by Age and Sex

male

female

Colchester Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Colchester Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Colchester Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

101

Number of Veterans

99

Male Veterans

2

Female Veterans

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Colchester Veterans by War

count

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Colchester Veterans by Age

count

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Colchester Veterans by Race

Colchester Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

20.79%

Veteran Poverty Rate

11.88%

Veteran Disability Rate

Colchester Veterans by Education

LaborForceParticipation

67.7%

Labor Force Participation

64.9%

Employment Rate

4.2%

Unemployment Rate

Colchester Employment by Age

LaborForceParticipation

Colchester Employment by Race

LaborForceParticipation

Colchester 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

82.14%

Born in Colchester

99.38%

Native Born

0.63%

Foreign Born

0.63%

Non Citizen

Naturalized

Place of Birth

99.38% of Colchester residents were born in the United States, with 82.14% having been born in Illinois. 0.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Colchester Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20291,086-1-0.09%
20281,087-1-0.09%
20271,088-1-0.09%
20261,089-1-0.09%
20251,090-1-0.09%
20241,091-1-0.09%
20231,092-1-0.09%
20221,093-1-0.09%
20211,094-11-1%
20201,105-191-14.74%
20191,296-13-0.99%
20181,309-15-1.13%
20171,324-26-1.93%
20161,350-13-0.95%
20151,363-8-0.58%
20141,371-15-1.08%
20131,386-10-0.72%
20121,39630.22%
20111,393-4-0.29%
20101,397
showing: 20 rows

Colchester Population by Year