Colchester is a city located in McDonough County Illinois. Colchester has a 2024 population of 1,085. Colchester is currently declining at a rate of -0.46% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 1,104 in 2020.
The average household income in Colchester is $70,550 with a poverty rate of 9.74%. The median age in Colchester is 40.6 years: 36.9 years for males, and 45.1 years for females.
According to the most recent ACS, the racial composition of Colchester was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,043 | 98.68% |
| Two or more races | 14 | 1.32% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 500 | 2.11 | 73.6 | 26.4 |
| Married | 210 | 2.72 | 95.2 | 4.8 |
| Non Family | 201 | 1.11 | 52.2 | 47.8 |
| Female | 77 | 3.03 | 66.2 | 33.8 |
| Male | 12 | 2.33 | 100 | 0 |
2.65
Average Family Size
2.11
Average Household Size
73.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 65 | 8.22% |
| Associates Degree | 155 | 19.6% |
| Bachelors Degree | 109 | 13.78% |
| Graduate Degree | 39 | 4.93% |
| High School Graduate | 318 | 40.2% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 105 | 13.27% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 777 | 712 | 148 |
| 2+ Races | 14 | 14 | 0 |
| Hispanic | 2 | 2 | 0 |
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 19.05%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $73,333 | $72,917 | $0 |
| Graduate Degree | $0 | $49,000 | $0 |
| High School Graduate | $33,750 | $58,102 | $0 |
| Less Than 9th Grade | $37,639 | $0 | $37,188 |
| Overall | $40,303 | $52,583 | $33,807 |
| Some College | $38,250 | $37,308 | $38,750 |
$40,303
Average Earnings
$52,583
Average Male
$33,807
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
99.52% of Colchester residents speak only English, while 0.48% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.48% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 1,013 | 101 | 9.97% |
| Multiple | 14 | 2 | 14.29% |
| Hispanic | 32 | 2 | 6.25% |
9.74%
Overall Poverty Rate
10.56%
Male Poverty Rate
8.86%
Female Poverty Rate
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 6.25% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.58%. Among those working part-time, it was 11.93%, and for those that did not work, the poverty rate was 24.9%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 27.69% |
| Some College | 18.85% |
| High School | 9.75% |
| Bachelors or Greater | 3.38% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 83.33% |
| Female Unemployed | 11.11% |
| Male Employed | 7.96% |
| Female Employed | 3.73% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $72,639 | $77,668 |
| Households | $62,500 | $70,550 |
| Married Families | $73,333 | $-999,999,999 |
| Non Families | $22,470 | $48,504 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
50.6%
Overall Marriage Rate
52.4%
Male Marriage Rate
48.9%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
103
Number of Veterans
101
Male Veterans
2
Female Veterans
War | Veterans |
|---|---|
| First Gulf War | 31 |
| Vietnam | 18 |
| Second Gulf War | 15 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 35 to 54 | 57 |
| 65 to 74 | 17 |
| 55 to 64 | 16 |
| 75+ | 13 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 103 | 12.55% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
20.39%
Veteran Poverty Rate
12.62%
Veteran Disability Rate
LaborForceParticipation
70.6%
Labor Force Participation
67.5%
Employment Rate
4.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
81.93%
Born in Colchester
99.53%
Native Born
0.47%
Foreign Born
0.47%
Non Citizen
0%
Naturalized
99.53% of Colchester residents were born in the United States, with 81.93% having been born in Illinois. 0.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 1,061 | -5 | -0.47% |
| 2028 | 1,066 | -5 | -0.47% |
| 2027 | 1,071 | -4 | -0.37% |
| 2026 | 1,075 | -5 | -0.46% |
| 2025 | 1,080 | -5 | -0.46% |
| 2024 | 1,085 | -5 | -0.46% |
| 2023 | 1,090 | -5 | -0.46% |
| 2022 | 1,095 | 0 | 0% |
| 2021 | 1,095 | -9 | -0.82% |
| 2020 | 1,104 | -192 | -14.81% |
| 2019 | 1,296 | -13 | -0.99% |
| 2018 | 1,309 | -15 | -1.13% |
| 2017 | 1,324 | -26 | -1.93% |
| 2016 | 1,350 | -13 | -0.95% |
| 2015 | 1,363 | -8 | -0.58% |
| 2014 | 1,371 | -15 | -1.08% |
| 2013 | 1,386 | -10 | -0.72% |
| 2012 | 1,396 | 3 | 0.22% |
| 2011 | 1,393 | -4 | -0.29% |
| 2010 | 1,397 | 0 | 0% |