United States › Illinois › Piatt County COUNTY · 2020 ACS
Piatt County Illinois · 16,673 residents · 439 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Piatt County is home to 16,673 people in Illinois. Owners hold 81% of the housing stock. The median age is 43.7, about 5 years above the US median. 1% of locals were born outside the United States. The typical home is worth $143,000, having risen by half since 2000. Poverty is uncommon here, at 5.7% of locals.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.7
US median: 38.8
Average education
30% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 39.6 in 2000
US average: 38.8
Population, 1990 – 2024
15K 16K 16K 16K 17K 1990 2000 2010 2020 2024 Piatt County Age distribution, 2020
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Section 02
Income & economy $73,668
+7%inflation adjusted, since 2000
from $45,752 in 2000
US average: $66,278
from $21,075 in 2000
US average: $35,364
Households earning $100K+
from 32.1% in 2009
US average: 43.9%
from 5.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 6.3%
Agriculture, forestry, fishing 4.2%
Professional, scientific, technical 3.2%
Transportation & warehousing 2.9%
Education & health services 2.4%
Arts, entertainment, food 1.1%
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$143,000
+16%inflation adjusted, since 2000
from $82,100 in 2000
US average: $265,253
$865
+25%inflation adjusted, since 2000
from $460 in 2000
US average: $1,124
from 80.2% in 2000
18.9% rent
2.42 people
Unchangedsince 2009
from 2.42 people in 2009
US average: 2.61
from 2.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 98.3%(16,090)
Hispanic / Latino 0.6%(101)
2020
White, non-Hispanic 93.6%(15,600)
Hispanic / Latino 1.5%(247)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 21 more ancestry groups with data from 21.0% in 2000
US average: 32.9%
High school or higher
from 88.7% in 2000
US average: 88.5%
from 7.6% in 2000
US average: 12.7%
Section 06
Commute & transportation from 15.9 min in 2000
US average: 26.9
from 80.5% in 2009
US average: 75.1%
from 3.6% in 2009
US average: 8.4%
Section 07
Work & employment from 3.7% in 2011
US average: 5.4%
from 66.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 33.7% in 2009
US average: 39.3%
Section 08
People & community from 1.3% in 2009
US average: 13.5%
from 7.4% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 26.2%(1,781)
Women 15+
Never married 19.5%(1,345)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 7.4% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 19.3%(191)
Gulf War (1990s) 19.1%(189)
Share of the 989 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.
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Drill deeper
Places similar to Piatt County Head to head
Compare Piatt County to nearby counties PIATT COUNTY VS
De Witt County
Income $71,678 −3%
Home value $130,300 −9%
Population 15,118 −10%
SEE FULL COMPARISON →
PIATT COUNTY VS
Macon County
Income $62,666 −15%
Home value $127,300 −11%
Population 99,300 +491%
SEE FULL COMPARISON →
PIATT COUNTY VS
Champaign County
Income $63,683 −14%
Home value $211,500 +48%
Population 209,972 +1151%
SEE FULL COMPARISON →
PIATT COUNTY VS
Moultrie County
Income $71,784 −3%
Home value $134,000 −6%
Population 14,371 −14%
SEE FULL COMPARISON →
Frequently asked
How many people live in Piatt County, Illinois? Piatt County, Illinois has about 16,673 residents according to the 2020 American Community Survey.
What is the median household income in Piatt County, Illinois? The typical household in Piatt County, Illinois earns about $73,668 a year. Half of households make more than that, and half make less.
Is Piatt County, Illinois expensive? In Piatt County, Illinois, the median home is worth about $143,000, and the typical rent is about $865 a month.
How educated are people in Piatt County, Illinois? About 29.8% of adults age 25 and over in Piatt County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Piatt County, Illinois? About 5.7% of people in Piatt County, Illinois live below the federal poverty line.
Has Piatt County, Illinois grown since 1990? Yes, Piatt County, Illinois has grown since 1990. The population has added about 1,125 residents, a change of about 7 percent over that period.
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