| ZIP Codes: | 5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 217 / 447 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:20 PM |
| Population: | 13,298 [See All] |
| FIPS: | 17139 |
| Land Area: | 376 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 39.6294, -88.6700 |
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13,298 residents live across 5 ZIPs covering 376 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 13,713 to 13,298 from 2014 to 2024 — a -3.0% change. 2 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 61928 (Gays, $118,271 median) and poorest ZIP 61937 (Lovington, $61,295) are 21.9 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.5× across this county — from $99,700 in 61937 (Lovington) to $152,300 in 61928 (Gays).
Density varies 3× across the county — from 19 people/sq mi in 61937 (Lovington) to 56 in 61951 (Sullivan).
Educational attainment ranges from 7.0% bachelor's+ in 61928 (Gays) to 22.2% in 61951 (Sullivan) — the breadth of educational profiles across the area.
Within Illinois, this is the #81 most populous of 102 counties and ranks #27 for median household income .
Weighted by population, the typical household earns about $72,856 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.3% of adults age 25+ hold a bachelor's degree or higher (1,769 of 9,170 reporting).
5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.