Decatur is a metro area of 101,849 people. Home values have more than doubled since 2000, reaching $127,300. 24% of adults hold a bachelor's degree or higher. 3% of people across the metro were born outside the United States. Renters pay $847 a month at the median. The average commute runs 19 minutes.
At a glance
Lower income
median household income $62,666, below the US median
US median: $82,259
Mid-age
median age 40.6
US median: 38.9
Less educated
24% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Decatur
What changed most since 1990
Median home value (2024 dollars)$108,243 → $127,300(+18%)US over the same years: +67%
Population117,206 → 101,849(−13%)US over the same years: +35%
Adults with a bachelor's degree14.8% → 24.4%(+9.6 pts)US over the same years: +15.3 pts
Among the 28 metro and micro areas based in Illinois
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)21.3%(1,147)
US avg: 26.4%
Gulf War (1990s)12.4%(668)
US avg: 24.3%
Vietnam era36.8%(1,979)
US avg: 33.1%
Korean War6.9%(372)
US avg: 4.5%
World War II0.9%(49)
US avg: 1%
Share of the 5,383 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Decatur, decade by decade
Decatur population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
117,206
$68,637
$108,243
14.8%
29.0
2000
114,706
$68,966
$124,783
16.9%
36.5
2010
110,768
$63,782
$130,191
20.5%
44.8
2020
103,998
$65,117
$124,961
23.6%
55.2
2024
101,849
$62,666
$127,300
24.4%
54.0
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
