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CITY

Dorchester

Illinois · 125 residents (2025 est.) · 0.722 sq mi
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The short version

Dorchester is significantly wealthier than the US average, with a median household income of $127,500. Population has grown 28% since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $153,800. Poverty is rare here, at 0.5% of residents. It ranks in the top 5% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 43.5
US median: 38.9
Less educated
10% hold a bachelor's degree
US average: 36%
Less affordable
home values up 78%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
182
+28%since 2000
from 142 in 2000
1990 – 2025
Population density
252 / sq mi
+28%since 2000
from 197 / sq mi in 2000
US average: 281
Median age
43.5
+10%since 2000
from 39.7 in 2000
US average: 38.9

PEP 2025 EST:125 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
791081371661951990201020202024Dorchester
2024182
1990201020202024
Section 02

Income & economy

Median household income
$127,500
+87%inflation adjusted, since 2000
from $37,500 in 2000
US average: $82,259
1990 – 2024
Per capita income
$44,425
+150%since 2000
from $17,753 in 2000
US average: $44,673
Households earning $100K+
65.5%
+51.6 ptssince 2009
from 13.9% in 2009
US average: 53.3%
Poverty rate
0.5%
−5.0 ptssince 2000
from 5.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.432
+53%since 2010
from 0.282 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade27%
US avg: 6.9%
Finance & insurance12.2%
US avg: 5.9%
Professional, scientific, technical12.2%
US avg: 5.1%
Information10.8%
US avg: 10.8%
Retail trade4.1%
US avg: 9.9%
Transportation & warehousing1.4%
US avg: 2.2%
Arts, entertainment, food1.4%
US avg: 1.9%
Other services1.4%
US avg: 6.7%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$153,800
+78%inflation adjusted, since 2000
from $47,500 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
100.0%
+6.9 ptssince 2000
from 93.1% in 2000
0.0% rent
Vacancy rate
13.4%
−4.7 ptssince 2009
from 18.2% in 2009
US average: 10.0%
Owner cost-burdened
10.3%
−16.1 ptssince 2009
from 26.5% in 2009
US average: 22.9%
Afford Score
1.2
−5%since 2000
from 1.3 in 2000
1990 – 2024
Gentrification Score
77
RELATED:See current rent listings in Dorchester on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic99.3%(141)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2024
White, non-Hispanic98.4%(179)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other1.6%(3)
Diversity Score4.1%(7)
Diversity Score
4
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
10.4%
+6.8 ptssince 2000
from 3.7% in 2000
US average: 35.6%
High school or higher
95.7%
+6.7 ptssince 2000
from 89.0% in 2000
US average: 89.6%
Graduate degree
7.0%
+7.0 ptssince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
29.4 min
+60%since 2000
from 18.3 min in 2000
US average: 26.5
Drive alone to work
94.6%
−2.2 ptssince 2009
from 96.8% in 2009
US average: 68.9%
Carpooled to work
0.0%
−3.2 ptssince 2009
from 3.2% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.4%
+5.4 ptssince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
1.7%
+1.7 ptssince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
1.3%
−23.7 ptssince 2011
from 25.0% in 2011
US average: 5.2%
Labor force participation
60.0%
−0.6 ptssince 2011
from 60.6% in 2011
US average: 63.5%
Self-employed
5.4%
−8.1 ptssince 2009
from 13.5% in 2009
US average: 13.1%
Management & professional
13.5%
−35.1 ptssince 2009
from 48.6% in 2009
US average: 42.5%
Section 08

People & community

Male
50.0%
+6.2 ptssince 2009
from 43.8% in 2009
Female
50.0%
−6.2 ptssince 2009
from 56.2% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
4.9%
−45.1 ptssince 2009
from 50.0% in 2009
US average: 6.2%
With a disability
9.9%
−12.0 ptssince 2012
from 21.9% in 2012
US average: 13.3%
Uninsured
0.0%
−85.6 ptssince 2013
from 85.6% in 2013
US average: 8.4%
Broadband at home
81.0%
−9.4 ptssince 2017
from 90.4% in 2017
US average: 91.0%
English only at home
100.0%
+0.8 ptssince 2016
from 99.2% in 2016
US average: 77.7%
Spanish at home
0.0%
Unchangedsince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare Dorchester to nearby cities

DORCHESTER VS
Bethalto
Income$64,775−49%
Home value$168,900+10%
Population9,202+7262%
SEE FULL COMPARISON →
DORCHESTER VS
Wood River
Income$62,703−51%
Home value$108,100−30%
Population10,224+8079%
SEE FULL COMPARISON →
DORCHESTER VS
Alton
Income$54,568−57%
Home value$103,700−33%
Population25,013+19910%
SEE FULL COMPARISON →
DORCHESTER VS
Godfrey
Income$94,543−26%
Home value$192,200+25%
Population17,620+13996%
SEE FULL COMPARISON →
Frequently asked

How many people live in Dorchester, Illinois?

Dorchester, Illinois has about 182 residents according to the 2024 American Community Survey.

What is the median household income in Dorchester, Illinois?

The typical household in Dorchester, Illinois earns about $127,500 a year. Half of households make more than that, and half make less.

Is Dorchester, Illinois expensive?

In Dorchester, Illinois, the median home is worth about $153,800.

How educated are people in Dorchester, Illinois?

About 10.4% of adults age 25 and over in Dorchester, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Dorchester, Illinois?

About 0.5% of people in Dorchester, Illinois live below the federal poverty line.

Has Dorchester, Illinois grown since 1990?

Yes, Dorchester, Illinois has grown since 1990. The population has added about 42 residents, a change of about 30 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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