| ZIP Codes: | 5 ZIP Codes (4 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 618 / 730 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:18 PM |
| Population: | 7,850 [See All] |
| FIPS: | 17065 |
| Land Area: | 385 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 38.0543, -88.5635 |
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7,850 residents live across 5 ZIPs covering 385 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 8,213 to 7,850 from 2014 to 2024 — a -4.4% change. 1 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 62817 (Broughton, $105,625 median) and poorest ZIP 62859 (Mc Leansboro, $54,011) are 9.9 miles apart — a 2.0× income gap across local geography.
Median home values vary 4.8× across this county — from $93,900 in 62859 (Mc Leansboro) to $453,200 in 62817 (Broughton).
Density varies 2× across the county — from 10 people/sq mi in 62817 (Broughton) to 24 in 62828 (Dahlgren).
Educational attainment ranges from 9.0% bachelor's+ in 62828 (Dahlgren) to 25.4% in 62859 (Mc Leansboro) — the breadth of educational profiles across the area.
Within Illinois, this is the #89 most populous of 102 counties and ranks #34 for median household income .
Weighted by population, the typical household earns about $63,326 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.5% of adults age 25+ hold a bachelor's degree or higher (1,135 of 5,536 reporting).
4 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.