| ZIP Codes: | 16 ZIP Codes (13 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 779 / 815 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:01 PM |
| Population: | 105,696 [See All] |
| FIPS: | 17091 |
| CBSA: | Kankakee, IL |
| Land Area: | 693 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 41.1230, -87.8987 |
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105,696 residents live across 16 ZIPs covering 693 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 111,873 to 105,696 from 2014 to 2024 — a -5.5% change. 3 ZIPs gained residents, 12 lost.
The county's wealthiest ZIP 60935 (Essex, $110,000 median) and poorest ZIP 60958 (Pembroke Township, $32,153) are 30.8 miles apart — a 3.4× income gap across local geography.
Median home values vary 2.8× across this county — from $99,100 in 60958 (Pembroke Township) to $279,000 in 60913 (Bonfield).
Density varies 159× across the county — from 20 people/sq mi in 60961 (Reddick) to 3,192 in 60915 (Bradley).
Educational attainment ranges from 12.1% bachelor's+ in 60915 (Bradley) to 32.4% in 60914 (Bourbonnais) — the breadth of educational profiles across the area.
Within Illinois, this is the #18 most populous of 102 counties and ranks #24 for median household income .
Weighted by population, the typical household earns about $73,725 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.2% of adults age 25+ hold a bachelor's degree or higher (15,127 of 71,387 reporting).
13 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.4× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
Kankakee County lost 5.5% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 60901 | Kankakee | Standard | 33,128 | $58,309 | 100.7 | -9.3% |
| 60914 | Bourbonnais | Standard | 28,673 | $86,223 | 49.4 | -1.8% |
| 60950 | Manteno | Standard | 11,964 | $89,125 | 76.0 | -0.4% |
| 60915 | Bradley | Standard | 9,979 | $60,563 | 3.1 | -3.3% |
| 60954 | Momence | Standard | 5,742 | $65,906 | 67.4 | -8.0% |
| 60964 | Saint Anne | Standard | 4,777 | $82,083 | 78.3 | -11.2% |
| 60940 | Grant Park | Standard | 3,322 | $97,361 | 78.3 | -8.6% |
| 60958 | Pembroke Township | Standard | 1,698 | $32,153 | 50.9 | -17.9% |
| 60913 | Bonfield | Standard | 1,683 | $87,750 | 40.9 | 30.0% |
| 60941 | Herscher | Standard | 1,627 | $85,000 | 58.2 | -17.1% |
| 60935 | Essex | Standard | 1,259 | $110,000 | 16.8 | -0.1% |
| 60961 | Reddick | Standard | 740 | $77,969 | 36.9 | -10.7% |
| 60910 | Aroma Park | PO Box | 582 | $77,321 | 0.5 | 28.2% |
| 60917 | Buckingham | Standard | 449 | $75,441 | 34.9 | -29.2% |
| 60969 | Union Hill | PO Box | 73 | $112,500 | 0.5 | 19.7% |
| 60944 | Hopkins Park | PO Box | — | — | 0.0 | — |