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COUNTY

Piatt County

Illinois · 16,791 residents (2025 est.) · 439.188 sq mi
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Notable rankings
#118Lowest poverty rateof 3,1446.1%#129Highest homeownership rateof 3,14484.8%
The short version

Piatt County is wealthier than most US places, with a median household income of $94,811. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $180,600. Poverty is rare here, at 6.1% of residents. It ranks in the top 5% of US counties for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 42.8
US median: 38.9
Average education
33% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
16,695
+2%since 2000
from 16,365 in 2000
1990 – 2025
Population density
38 / sq mi
+1%since 2009
from 38 / sq mi in 2009
US average: 281
Median age
42.8
+8%since 2000
from 39.6 in 2000
US average: 38.9

PEP 2025 EST:16,791 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
15K16K16K16K17K1990201020202024Piatt County
202417K
1990201020202024
Age distribution, 2024
Under 54.9%(822)
US avg: 5.6%
5 to 97.3%(1,226)
US avg: 6%
10 to 145.6%(937)
US avg: 6.4%
15 to 195.5%(924)
US avg: 6.6%
20 to 244.8%(801)
US avg: 6.5%
25 to 3411.2%(1,877)
US avg: 13.7%
35 to 4412.8%(2,133)
US avg: 13.2%
45 to 5412.4%(2,064)
US avg: 12.2%
55 to 6414.3%(2,382)
US avg: 12.7%
65 to 7412.3%(2,057)
US avg: 10.2%
75 to 846.3%(1,058)
US avg: 5.1%
85 and over2.5%(414)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$94,811
+14%inflation adjusted, since 2000
from $45,752 in 2000
US average: $82,259
1990 – 2024
Per capita income
$46,739
+122%since 2000
from $21,075 in 2000
US average: $44,673
Households earning $100K+
62.0%
+29.9 ptssince 2009
from 32.1% in 2009
US average: 53.3%
Poverty rate
6.1%
+1.2 ptssince 2000
from 5.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.407
+6%since 2010
from 0.384 in 2010
US average: 0.476
Workforce by industry, 2024
Information12.4%
US avg: 10.8%
Retail trade9.1%
US avg: 9.9%
Wholesale trade8.4%
US avg: 6.9%
Other services6.8%
US avg: 6.7%
Public administration5.8%
US avg: 4.8%
Agriculture, forestry, fishing5.3%
US avg: 1.6%
Construction4.8%
US avg: 1.2%
Finance & insurance4.8%
US avg: 5.9%
Professional, scientific, technical3.7%
US avg: 5.1%
Transportation & warehousing2.4%
US avg: 2.2%
Arts, entertainment, food1.1%
US avg: 1.9%
Education & health services1%
US avg: 0.9%
Manufacturing0.5%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$180,600
+21%inflation adjusted, since 2000
from $82,100 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,046
+25%inflation adjusted, since 2000
from $460 in 2000
US average: $1,442
Owner-occupied
84.8%
+4.7 ptssince 2000
from 80.2% in 2000
15.2% rent
Vacancy rate
6.6%
−2.5 ptssince 2009
from 9.0% in 2009
US average: 10.0%
Owner cost-burdened
15.4%
−0.5 ptssince 2009
from 16.0% in 2009
US average: 22.9%
Renter cost-burdened
26.8%
−0.9 ptssince 2009
from 27.7% in 2009
US average: 47.4%
Afford Score
1.9
−12%since 2009
from 2.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
67
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Piatt County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.3%(16,090)
Black0.2%(39)
Hispanic / Latino0.6%(101)
Asian0.1%(20)
Other0%
2024
White, non-Hispanic94.8%(15,823)
Black1.2%(206)
Hispanic / Latino1.6%(271)
Asian0.6%(106)
Other1.7%(289)
Diversity Score
13
+72%since 2009
from 7 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
6
−67%since 2020
from 19 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican0.8%(141)
Spaniard0.5%(84)
Asian origin
Filipino0.5%(82)
Korean0%(8)
Chinese0%(6)
Ancestry
German23.5%(3,930)
English17.3%(2,889)
Irish13.8%(2,305)
American5.9%(993)
Scottish2.3%(376)
Scotch-Irish1.7%(281)
Swedish1.6%(267)
Italian1.6%(266)
Polish1.5%(246)
French1.3%(224)
Dutch1.3%(209)
Norwegian1%(175)
+ 17 more ancestry groups with data
Welsh0.9%(155)
Czech0.8%(127)
Hungarian0.7%(117)
Swiss0.5%(88)
Greek0.4%(69)
British0.3%(53)
Russian0.3%(53)
Austrian0.3%(45)
Slovak0.2%(39)
Arab0.2%(28)
Lebanese0.2%(28)
Croatian0.1%(16)
Danish0.1%(9)
Belgian0%(6)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest Scottish population
Section 05

Education

Bachelor's degree or higher
32.9%
+11.8 ptssince 2000
from 21.0% in 2000
US average: 35.6%
High school or higher
96.2%
+7.6 ptssince 2000
from 88.7% in 2000
US average: 89.6%
Graduate degree
11.8%
+4.1 ptssince 2000
from 7.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
24.0 min
+51%since 2000
from 15.9 min in 2000
US average: 26.5
Drive alone to work
84.6%
+4.0 ptssince 2009
from 80.5% in 2009
US average: 68.9%
Carpooled to work
5.7%
−5.6 ptssince 2009
from 11.3% in 2009
US average: 8.5%
Public transit
0.1%
−0.1 ptssince 2009
from 0.2% in 2009
US average: 3.2%
Worked from home
7.3%
+4.7 ptssince 2009
from 2.7% in 2009
US average: 15.0%
Walked to work
1.7%
−1.4 ptssince 2009
from 3.1% in 2009
US average: 2.4%
Biked to work
0.1%
−0.8 ptssince 2009
from 0.9% in 2009
US average: 0.4%
No vehicle available
2.1%
−1.6 ptssince 2009
from 3.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.8%
−1.0 ptssince 2011
from 3.7% in 2011
US average: 5.2%
Labor force participation
65.0%
−1.0 ptssince 2011
from 66.0% in 2011
US average: 63.5%
Self-employed
17.5%
+0.4 ptssince 2009
from 17.0% in 2009
US average: 13.1%
Management & professional
38.4%
−22.2 ptssince 2009
from 60.6% in 2009
US average: 42.5%
Section 08

People & community

Male
49.9%
+0.5 ptssince 2009
from 49.4% in 2009
Female
50.1%
−0.5 ptssince 2009
from 50.6% in 2009
Foreign born
1.7%
+0.4 ptssince 2009
from 1.3% in 2009
US average: 14.1%
Veterans
6.7%
−42.0 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
13.0%
+1.0 ptssince 2012
from 12.0% in 2012
US average: 13.3%
Uninsured
3.3%
−89.3 ptssince 2013
from 92.6% in 2013
US average: 8.4%
Broadband at home
91.3%
+9.3 ptssince 2017
from 82.0% in 2017
US average: 91.0%
English only at home
97.6%
−0.1 ptssince 2016
from 97.7% in 2016
US average: 77.7%
Spanish at home
1.2%
+0.4 ptssince 2016
from 0.7% in 2016
US average: 13.6%
Marital status
Men 15+
Never married26.2%(1,781)
Married62%(4,219)
Widowed3.1%(212)
Divorced8.7%(593)
Women 15+
Never married19.5%(1,345)
Married61.4%(4,241)
Widowed8.2%(563)
Divorced10.9%(756)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Piatt County to nearby counties

PIATT COUNTY VS
De Witt County
Income$71,678−24%
Home value$130,300−28%
Population15,118−10%
SEE FULL COMPARISON →
PIATT COUNTY VS
Macon County
Income$62,666−34%
Home value$127,300−30%
Population99,300+491%
SEE FULL COMPARISON →
PIATT COUNTY VS
Champaign County
Income$63,683−33%
Home value$211,500+17%
Population209,972+1151%
SEE FULL COMPARISON →
PIATT COUNTY VS
Moultrie County
Income$71,784−24%
Home value$134,000−26%
Population14,371−14%
SEE FULL COMPARISON →
Frequently asked

How many people live in Piatt County, Illinois?

Piatt County, Illinois has about 16,695 residents according to the 2024 American Community Survey.

What is the median household income in Piatt County, Illinois?

The typical household in Piatt County, Illinois earns about $94,811 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 $180,600, and the typical rent is about $1,046 a month.

How educated are people in Piatt County, Illinois?

About 32.9% 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 6.1% 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 1,147 residents, a change of about 7 percent over that period.

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Explore from here

4 census tracts
Census Tract 9546Census Tract 9545Census Tract 9547Census Tract 9548
11 ZIP codes
ZIP 61856ZIP 61813ZIP 61818ZIP 61913ZIP 61854ZIP 61884ZIP 61929ZIP 61839ZIP 61830ZIP 61936ZIP 61855
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →