County

Piatt County, IL

10 ZIP codes  ·  10 cities  ·  Illinois

👥16,036Population
💰$86,802Median HH Income▲ 14% above avg
🎂42.9Median Age
🏠$177,749Median Home Value▼ 36% below avg
🎓43.6%College Grads▲ 13% above avg
📊3.7%Unemployment▼ 24% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.8% Female 50.2% ♀

Race & Ethnicity

White: 94.9%Hispanic: 1.7%Black: 2.4%Asian: 0.3%Other: 1.5%Race
White94.9%
Hispanic1.7%
Black2.4%
Asian0.3%
Other1.5%

Age Breakdown

Under 5
5%
5–17
17%
18–24
7%
25–44
24%
45–64
27%
65+
9%

Key Indicators

Median Age42.9 yrs
Avg HH Size2.43
Below Poverty5.9% ▼ 41% below avg
College Grads43.6% ▲ 13% above avg
Unemployment3.7% ▼ 24% below avg
No HS Diploma17 (0.2%)
HS Graduate3,410 (31%)
Some College1,299 (11.8%)
Associates1,460 (13.3%)
Bachelors1,321 (12%)
Graduate Degree3,506 (31.8%)

Education

No HS: 0.2%HS Grad: 31%Some College: 11.8%Associates: 13.3%Bachelors: 12%Graduate: 31.8%Edu
No HS0.2%
HS Grad31.0%
Some College11.8%
Associates13.3%
Bachelors12.0%
Graduate31.8%
Housing & Income

Housing Tenure

Owner: 84.9%Renter: 15.1%Tenure
Owner84.9%
Renter15.1%

Home Value Distribution

Under $50k
5%
$50k–$100k
13%
$100k–$150k
19%
$150k–$200k
20%
$200k–$300k
22%
$300k–$500k
15%
Over $500k
5%

Financials

Median HH Income$86,802 ▲ 14% above avg
Median Home Value$177,749 ▼ 36% below avg
Home/Income Ratio2.0x (nat avg ~3.5x)
Median Rent$969/mo
Total Housing Units7,022
Vacant Units458

Income Distribution

Under $25k
11%
$25k–$50k
10%
$50k–$75k
19%
$75k–$100k
18%
$100k–$150k
23%
$150k–$200k
10%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
91%
Public Transit
0%
Walked
2%
Work From Home
7%

Commute Time

Under 15 min
27%
15–30 min
35%
30–45 min
31%
Over 45 min
7%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
12%
1960s–1970s
14%
1980s–1990s
12%
2000+
59%
About Piatt County, IL

Piatt County is located in Illinois and encompasses 10 ZIP codes spanning 10 cities and communities. The county has an estimated population of 16,036 residents. With a median age of 42.91, it is a middle-aged county.

Piatt County has a middle-income economic profile. The median household income of $86,802 is near the national average. Unemployment stands at 3.7%, below the national average. The poverty rate of 5.9% is well below the national average.

Housing in Piatt County is an affordable housing market, with a median home value of $177,749 — below the national average. Monthly median rent is approximately $968. Homeownership rates are high at 84.9%, reflecting a largely residential, stable population.

The residents of Piatt County are primarily White (94.88%). Educational attainment is well-educated — 43.6% of adults hold a bachelor's degree or higher, near the national average.

Piatt County, IL is a middle-income area in Illinois. The 10 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Piatt County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
61813 Bement 1,813 $82,750 $103,600 $686 1.3% 29.4%
61818 Cerro Gordo 1,608 $75,536 $113,400 $875 6.0% 31.6%
61830 Cisco 502 $66,750 $135,200 $1,292 12.2% 47.2%
61839 De Land 648 $63,393 $110,300 $831 2.4% 31.5%
61929 Hammond 713 $59,792 $110,100 $761 22.9% 29.2%
61936 La Place 130 $67,125 $80,500 14.8% 31.9%
61854 Mansfield 1,356 $84,338 $162,200 $1,057 2.1% 35.3%
61855 Milmine 84 $29,375 36.8% 14.8%
61856 Monticello 8,110 $94,841 $214,500 $1,045 2.0% 51.9%
61884 White Heath 1,072 $101,250 $258,800 0.0% 52.0%