Decatur vs Harristown

A side-by-side comparison of Decatur and Harristown: population, income, housing, and more.

Decatur and Harristown are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Decatur has the higher population (70,368 vs 1,526 in Harristown). Harristown has the higher median household income ($74,018 vs $50,809 in Decatur). Harristown has the higher median home value ($116,700 vs $97,300 in Decatur).

Population, income & housing

	Decatur	Harristown
Population	70,368	1,526
Median age	39.9 yrs	39.4 yrs
Median household income	$50,809	$74,018
Median home value	$97,300	$116,700
Median gross rent	$796	$825
Housing units	36,121	577
Homeownership rate	62.3%	86.9%
Bachelor's degree or higher	21.3%	16.7%
Unemployment rate	8.9%	4.1%

Trends (ACS 5-year, 2019–2023)

	Decatur	Harristown
Population	72,359 → 70,368 (-2.8%)	1,268 → 1,526 (+20.3%)
Median household income	$42,701 → $50,809 (+19.0%)	$60,455 → $74,018 (+22.4%)
Median home value	$83,000 → $97,300 (+17.2%)	$92,600 → $116,700 (+26.0%)
Median gross rent	$683 → $796 (+16.5%)	$596 → $825 (+38.4%)

Decatur

Population

72,35970,368

Median household income

$42,701$50,809

Median home value

$83,000$97,300

Median gross rent

$683$796

Harristown

Population

1,2681,526

Median household income

$60,455$74,018

Median home value

$92,600$116,700

Median gross rent

$596$825

Age & race/ethnicity

Age distribution (share)

	Decatur	Harristown
Under 5	6.1%	5.2%
5 to 17	14.7%	22.3%
18 to 24	10.1%	4.9%
25 to 34	13.3%	13.7%
35 to 44	10.8%	8.7%
45 to 54	10.7%	11.9%
55 to 64	13.5%	12.4%
65 to 74	11.6%	13.6%
75 and over	9.2%	7.4%

Race & ethnicity (share)

	Decatur	Harristown
White (non-Hispanic)	65.7%	95.1%
Black or African American	23.9%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.4%	0.7%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.4%	1.0%
Two or more races	5.4%	2.8%
Hispanic or Latino	3.2%	0.5%

Educational attainment (age 25+)

Share of adults 25+

	Decatur	Harristown
No high school diploma	8.2%	4.7%
High school graduate	40.2%	42.5%
Some college or associate's	30.3%	36.0%
Bachelor's degree	13.9%	13.0%
Graduate or professional degree	7.4%	3.7%

Commute to work

How workers get to work (share)

	Decatur	Harristown
Drove alone	80.2%	85.8%
Carpooled	7.4%	7.8%
Public transit	1.3%	0.0%
Walked	2.3%	0.5%
Bicycle	0.1%	0.0%
Worked from home	7.5%	5.0%
Other means	1.2%	0.9%

Housing

Units in structure (share)

	Decatur	Harristown
1-unit, detached	73.4%	93.6%
1-unit, attached	2.0%	1.0%
2 to 4 units	4.4%	2.1%
5 to 19 units	9.3%	0.9%
20 or more units	8.3%	1.7%
Mobile home & other	2.6%	0.7%

Poverty & households

	Decatur	Harristown
Poverty rate	19.1%	7.2%
Average household size	2.18	2.69
Mean commute (minutes)	17	21
Median year structure built	1960	1962