| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 618 / 730 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:01 PM |
| Population: | 15,084 [See All] |
| FIPS: | 17101 |
| Land Area: | 367 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 38.7013, -87.7332 |
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15,084 residents live across 4 ZIPs covering 367 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 16,635 to 15,084 from 2014 to 2024 — a -9.3% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 62466 (Sumner, $78,250 median) and poorest ZIP 62439 (Lawrenceville, $53,622) are 12.9 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.2× across this county — from $90,000 in 62460 (Saint Francisville) to $104,600 in 62417 (Bridgeport).
Density varies 3× across the county — from 26 people/sq mi in 62460 (Saint Francisville) to 91 in 62417 (Bridgeport).
Educational attainment ranges from 8.9% bachelor's+ in 62466 (Sumner) to 19.4% in 62439 (Lawrenceville) — the breadth of educational profiles across the area.
Within Illinois, this is the #69 most populous of 102 counties and ranks #86 for median household income .
Weighted by population, the typical household earns about $61,411 across the county — reflecting what a typical resident sees, not a simple ZIP average.
15.1% of adults age 25+ hold a bachelor's degree or higher (1,663 of 10,988 reporting).
4 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
Lawrence County lost 9.3% of residents between 2014 and 2024. ZIPs that shed the largest share: