County ProfileIL
Peoria County
Population: 181,830 · 45 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
181,830
People
Median age
38.1
Housing
Total households
77,755
Income
Median household income
$65,108
Housing
Total housing units
84,930
Employment
Employment rate
58.3%
Education
Bachelor’s degree or higher
34.9%
Healthcare
Insured population
94.2%
County details
Local time 00:52:08(CT)| Name | Peoria |
|---|---|
| Total ZIP codes | 45total |
| ZIP codes (by type) | 21 Standard12 PO Box12 Unique |
| Area code | 309, 861 |
| Timezone | Central Time (CT) |
| Coordinates | 40.7859722, -89.7669933 |
| Land area | 618.7 sq miles(1,602.4 km²) |
Map of Peoria county, Illinois with ZIP codes
Cities and Communities in Peoria County
Compare the largest cities in Peoria County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Peoria | 113,150 | $59,410 | 29ZIPs |
| Chillicothe | 6,128 | $66,132 | 1ZIPs |
| Peoria Heights | 5,908 | $60,099 | 1ZIPs |
| Edwards | 3,285 | — | 1ZIPs |
| Elmwood | 2,058 | $90,285 | 1ZIPs |
| Princeville | 1,636 | $76,250 | 1ZIPs |
| Rome | 1,604 | $88,750 | 1ZIPs |
| Dunlap | 1,603 | $141,552 | 1ZIPs |
| Hanna City | 1,253 | $73,265 | 1ZIPs |
| Edelstein | 1,060 | — | 1ZIPs |
| Glasford | 866 | $77,500 | 1ZIPs |
| Brimfield | 778 | $70,000 | 1ZIPs |
| Trivoli | 385 | $67,407 | 1ZIPs |
| Laura | 305 | — | 1ZIPs |
| Mossville | 268 | — | 1ZIPs |
| Kingston Mines | 266 | $51,875 | 1ZIPs |
| Mapleton | 261 | $67,813 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Peoria County
Review the most populated postal areas across Peoria County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 61604 | Peoria | $52,414 | 29,344 |
| 61614 | Peoria | $66,924 | 27,119 |
| 61615 | Peoria | $79,817 | 24,314 |
| 61603 | Peoria | $41,618 | 15,503 |
| 61605 | Peoria | $26,392 | 14,049 |
| 61525 | Dunlap | $161,165 | 11,433 |
| 61523 | Chillicothe | $79,453 | 10,951 |
| 61607 | Peoria | $75,532 | 10,353 |
| 61606 | Peoria | $39,196 | 6,798 |
| 61616 | Peoria Heights | $60,099 | 5,966 |
| 61547 | Mapleton | $108,158 | 3,757 |
| 61517 | Brimfield | $99,886 | 3,293 |
| 61528 | Edwards | $183,140 | 3,285 |
| 61559 | Princeville | $101,200 | 3,199 |
| 61536 | Hanna City | $74,249 | 2,974 |
| 61529 | Elmwood | $91,661 | 2,852 |
| 61533 | Glasford | $73,051 | 2,198 |
| 61602 | Peoria | $33,750 | 1,198 |
| 61569 | Trivoli | $77,083 | 1,123 |
| 61526 | Edelstein | $118,393 | 1,060 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS