| ZIP Codes: | 20 ZIP Codes (14 Standard, 6 PO Box, 0 Unique) [See All] |
| Area Codes: | 309 / 861 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:00 PM |
| Population: | 33,487 [See All] |
| FIPS: | 17057 |
| CBSA: | Canton, IL |
| Land Area: | 950 sq mi |
| Water Area: | 17 sq mi |
| Coordinates: | 40.5007, -90.2015 |
| Quick Link: |
33,487 residents live across 20 ZIPs covering 950 sq mi, served by 20 distinct USPS-recognized cities.
Population moved from 37,160 to 33,487 from 2014 to 2024 — a -9.9% change. 5 ZIPs gained residents, 15 lost.
The county's wealthiest ZIP 61544 (London Mills, $81,250 median) and poorest ZIP 61519 (Bryant, $37,941) are 18.1 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.5× across this county — from $58,700 in 61484 (Vermont) to $145,000 in 61519 (Bryant).
Density varies 281× across the county — from 8 people/sq mi in 61431 (Ellisville) to 2,241 in 61524 (Dunfermline).
Educational attainment ranges from 2.4% bachelor's+ in 61553 (Norris) to 32.4% in 61531 (Farmington) — the breadth of educational profiles across the area.
Within Illinois, this is the #41 most populous of 102 counties and ranks #93 for median household income .
Weighted by population, the typical household earns about $61,559 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.0% of adults age 25+ hold a bachelor's degree or higher (4,640 of 24,470 reporting).
14 Standard delivery, 6 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Fulton County lost 9.9% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 61520 | Canton | Standard | 16,291 | $58,376 | 162.2 | -6.5% |
| 61542 | Lewistown | Standard | 3,280 | $69,107 | 113.1 | -13.9% |
| 61531 | Farmington | Standard | 3,007 | $70,107 | 58.6 | -10.9% |
| 61427 | Cuba | Standard | 2,014 | $65,750 | 59.7 | -15.1% |
| 61501 | Astoria | Standard | 1,493 | $55,750 | 81.4 | -19.1% |
| 61415 | Avon | Standard | 1,459 | $68,036 | 112.8 | -11.8% |
| 61441 | Ipava | Standard | 945 | $65,972 | 60.4 | -10.2% |
| 61544 | London Mills | Standard | 784 | $81,250 | 44.7 | 21.0% |
| 61484 | Vermont | Standard | 738 | $48,462 | 47.3 | -22.8% |
| 61432 | Fairview | Standard | 544 | $56,250 | 37.8 | -11.8% |
| 61482 | Table Grove | Standard | 492 | $65,208 | 52.8 | -7.9% |
| 61477 | Smithfield | Standard | 443 | $60,938 | 47.3 | -32.6% |
| 61459 | Marietta | Standard | 406 | $52,813 | 33.8 | -8.4% |
| 61563 | Saint David | PO Box | 383 | $54,583 | 0.5 | -25.2% |
| 61553 | Norris | PO Box | 303 | $44,844 | 0.3 | 56.2% |
| 61524 | Dunfermline | PO Box | 299 | $70,000 | 0.1 | 13.7% |
| 61431 | Ellisville | Standard | 279 | $53,750 | 35.0 | -44.4% |
| 61519 | Bryant | PO Box | 235 | $37,941 | 1.8 | 35.1% |
| 61543 | Liverpool | PO Box | 70 | $62,692 | 0.2 | -46.2% |
| 61433 | Fiatt | PO Box | 22 | — | 0.0 | — |