| ZIP Codes: | 7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 618 / 730 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:03 PM |
| Population: | 23,900 [See All] |
| FIPS: | 17165 |
| Land Area: | 418 sq mi |
| Water Area: | 7 sq mi |
| Coordinates: | 37.7618, -88.5677 |
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23,900 residents live across 7 ZIPs covering 418 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 25,344 to 23,900 from 2014 to 2024 — a -5.7% change. 3 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 62987 (Stonefort, $83,393 median) and poorest ZIP 62917 (Carrier Mills, $50,119) are 7.0 miles apart — a 1.7× income gap across local geography.
Median home values vary 2.1× across this county — from $73,400 in 62917 (Carrier Mills) to $155,400 in 62977 (Raleigh).
Density varies 4× across the county — from 20 people/sq mi in 62987 (Stonefort) to 84 in 62946 (Harrisburg).
Educational attainment ranges from 11.2% bachelor's+ in 62917 (Carrier Mills) to 32.5% in 62977 (Raleigh) — the breadth of educational profiles across the area.
Within Illinois, this is the #52 most populous of 102 counties and ranks #92 for median household income .
Weighted by population, the typical household earns about $55,267 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 (3,374 of 17,446 reporting).
6 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
Saline County lost 5.7% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 62946 | Harrisburg | Standard | 11,256 | $51,566 | 133.2 | -15.6% |
| 62930 | Eldorado | Standard | 5,761 | $52,931 | 72.1 | -7.2% |
| 62917 | Carrier Mills | Standard | 2,303 | $50,119 | 35.2 | -7.2% |
| 62935 | Galatia | Standard | 2,178 | $60,238 | 70.3 | 40.3% |
| 62987 | Stonefort | Standard | 1,724 | $83,393 | 85.2 | 58.9% |
| 62977 | Raleigh | Standard | 599 | $68,056 | 21.5 | 0.7% |
| 62965 | Muddy | PO Box | 79 | — | 0.0 | -12.2% |