Peoria County, IL Population Statistics: Density Map Data

Analyze local population trends, population density map, housing costs, and the local economy.

Area Snapshot Statistics

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

B
C
B Better educated than 87% of counties in Illinois

Population: density and quick facts

Metric Peoria County Illinois Avg U.S. Average
Population 176,438 12,497,595 334,821,731
Population density (per sq mi) 279.8 215.8 85.8
Population growth (%/yr) -0.55% -0.18% 0.57%
Median age 36.0 37.3 37.1
Households 76,935 5,000,691 128,459,983

Population in Peoria County declined by 2.1% from 2009 to 2023, reaching 179,639 in 2023.

Population Growth 2009–2023

Year Peoria County

Race & Ethnicity

Group Share

Economy

Peoria County has a the economy index of C, which means it is somewhat prosperous.

Metric Peoria County Illinois Avg U.S. Average
Median household income $65,555 $82,179 $78,145
Income growth (%/yr) 3.42% 4.78% 5.07%
Unemployment rate 6.5% 5.8% 5.2%

The median household income in Peoria County is about 20% lower than in Illinois.

Detailed wealth and income breakdown →

Housing

Metric Peoria County Illinois Avg U.S. Average
Median home price $80,172 $162,405 $242,182
Median rent $945 $1,226 $1,342
Homeownership rate 67.0% 66.8% 65.1%

The median home price in Peoria County is about 7.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $945 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Peoria County spend about 34 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 143 hours, about 6.0 full days, spent commuting.

Metric Peoria County Illinois Avg U.S. Average
One-way commute (min) 17.2 23.8 22.5
Round-trip commute (min) 34.4 47.6 44.9
Yearly time spent (hours) 143 198 187
Estimated yearly cost $4,438 $6,148 $5,803
Work from home 10.0% 14.0% 13.4%
Highway traffic (vehicles/day) 6,285 7,977 8,813
Local road traffic (vehicles/day) 1,288 1,547 1,355

Fastest commutes among counties in Illinois: Edgar County (12.1 min), Brown County (12.8 min), McDonough County (13.0 min).
Slowest: Calhoun County (46.4 min), Cook County (30.8 min), Kendall County (30.7 min).

The average commute time in Peoria County is 17 minutes, shorter than the 24 minutes in Illinois.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Peoria County has a education index of B, which means it is quite educated.

Metric Peoria County Illinois Avg U.S. Average
Bachelor's degree or higher 31.6% 34.1% 31.6%
Average household size 2.27 2.48 2.54

Highest education index among counties in Illinois: DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest: Hardin County (0.2), Fayette County (0.2), Perry County (0.2).

Health

Peoria County has a health index of B, which means it is quite healthy.

Metric Peoria County Illinois Avg U.S. Average
Life expectancy (years) 76.8 77.9 78.3
Self-rated poor health 17.3% 15.6% 16.3%
Smokers 19.6% 19.2% 19.0%

Highest health index among counties in Illinois: DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest: Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Peoria County, Illinois.

What is the population of Peoria County, Illinois?

The population of Peoria County, Illinois is 176,438, compared to the U.S. total of 334,821,731.

What is the population density of Peoria County, Illinois?

The population density of Peoria County, Illinois is 279.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.

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

The median household income in Peoria County, Illinois is $65,555, compared to the U.S. median of $78,145.

What is the median home price in Peoria County, Illinois?

The median home price in Peoria County, Illinois is $80,172, compared to the U.S. median of $242,182.

What is the unemployment rate in Peoria County, Illinois?

The unemployment rate in Peoria County, Illinois is 6.5%, compared to the U.S. average of 5.2%.