US Census Data

Piatt County, Illinois

10 cities & places have their primary county here.

Population
16,702
+1.8%’19–’23
Median household income
$87,516
+23.5%’19–’23
Median home value
$173,200
+25.0%’19–’23

Home to 16,702 residents, Piatt County is one of Illinois's counties. 10 cities and places have their primary county here. The median household income of $87,516 is above the Illinois median ($81,702).

Between 2019 and 2023, Piatt County's population grew 1.8% from 16,401 to 16,702, while its median household income rose 23.5% from $70,849 to $87,516.

85.1% of workers drive to work alone. 85.8% of homes are single-family detached houses.

Demographics

ACS 2019–2023
Population
16,702
Median age
42.5 yrs
Median household income
$87,516
Median home value
$173,200
Median gross rent
$950
Housing units
7,380
Homeownership rate
85.4%
Bachelor's degree or higher
31.9%
Unemployment rate
3.3%

Trends

ACS 5-year · 2019–2023
Population
16,40116,702
Median household income
$70,849$87,516
Median home value
$138,600$173,200
Median gross rent
$851$950
YearPopulationMedian household incomeMedian home valueMedian gross rent
201916,401$70,849$138,600$851
202016,412$73,668$143,000$865
202116,664$77,559$152,000$875
202216,698$81,151$168,300$917
202316,702$87,516$173,200$950

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 58645.2%
5 to 172,79716.7%
18 to 241,1326.8%
25 to 341,84011.0%
35 to 442,13912.8%
45 to 542,05112.3%
55 to 642,45814.7%
65 to 741,99411.9%
75 and over1,4278.5%

Race & ethnicity

CountShare
White (non-Hispanic)15,88195.1%
Black or African American2501.5%
American Indian & Alaska Native10.0%
Asian320.2%
Native Hawaiian & Pacific Islander00.0%
Some other race330.2%
Two or more races2441.5%
Hispanic or Latino (any race)2611.6%

Educational attainment (age 25+)

CountShare
No high school diploma4724.0%
High school graduate3,95433.2%
Some college or associate's3,68631.0%
Bachelor's degree2,45420.6%
Graduate or professional degree1,34311.3%

Commute to work

Mean travel time to work
24 min

How workers get to work

CountShare
Drove alone7,11985.1%
Carpooled4845.8%
Public transit230.3%
Walked1251.5%
Bicycle30.0%
Worked from home5756.9%
Other means400.5%

Travel time

CountShare
Under 15 min2,10727.0%
15 to 29 min2,73935.1%
30 to 44 min2,37030.4%
45 to 59 min2823.6%
60+ min2963.8%

Households

Average household size
2.42
Poverty rate
5.9% (987 of 16,605)
CountShare
Family households4,77769.7%
Nonfamily households2,07430.3%

Housing

Median year structure built
1972

Occupancy

CountShare
Occupied6,85192.8%
Vacant5297.2%

Tenure (of occupied units)

CountShare
Owner-occupied5,85185.4%
Renter-occupied1,00014.6%

Units in structure

CountShare
1-unit, detached6,33385.8%
1-unit, attached3695.0%
2 to 4 units2433.3%
5 to 19 units1452.0%
20 or more units1261.7%
Mobile home & other1642.2%

Geography

County GEOID
17147
State
Illinois
Land area
439 sq mi
Water area
0.29 sq mi
Center point
40.0090, -88.5924

Cities & places

10

Compare with nearby counties

5

Illinois rankings

21

Other counties in Illinois

101