| ZIP Codes: | 18 ZIP Codes (10 Standard, 8 PO Box, 0 Unique) [See All] |
| Area Codes: | 304 / 681 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:14:23 PM |
| Population: | 59,622 [See All] |
| FIPS: | 54049 |
| CBSA: | Fairmont, WV |
| Land Area: | 389 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 39.5137, -80.2252 |
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59,622 residents live across 18 ZIPs covering 389 sq mi, served by 17 distinct USPS-recognized cities.
Population moved from 60,713 to 59,622 from 2014 to 2024 — a -1.8% change. 6 ZIPs gained residents, 9 lost.
The county's wealthiest ZIP 26576 (Idamay, $98,953 median) and poorest ZIP 26582 (Mannington, $52,083) are 9.2 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.8× across this county — from $100,700 in 26582 (Mannington) to $183,900 in 26554 (Fairmont).
Density varies 7745× across the county — from 36 people/sq mi in 26585 (Metz) to 281,111 in 26574 (Grant Town).
Educational attainment ranges from 3.0% bachelor's+ in 26585 (Metz) to 35.5% in 26559 (Barrackville) — the breadth of educational profiles across the area.
Within West Virginia, this is the #9 most populous of 55 counties and ranks #10 for median household income .
Weighted by population, the typical household earns about $68,606 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.1% of adults age 25+ hold a bachelor's degree or higher (11,229 of 41,467 reporting).
10 Standard delivery, 8 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 26554 | Fairmont | Standard | 42,118 | $69,712 | 135.7 | 0.8% |
| 26582 | Mannington | Standard | 3,743 | $52,083 | 94.9 | -29.7% |
| 26570 | Fairview | Standard | 3,350 | $71,048 | 59.6 | -5.2% |
| 26588 | Rivesville | Standard | 2,635 | $60,990 | 33.7 | -10.5% |
| 26571 | Farmington | Standard | 1,788 | $84,167 | 20.7 | -13.9% |
| 26559 | Barrackville | PO Box | 1,619 | $73,229 | 0.5 | 31.9% |
| 26591 | Worthington | Standard | 1,568 | $61,071 | 14.7 | 4.5% |
| 26585 | Metz | Standard | 977 | $62,333 | 26.9 | 108.3% |
| 26576 | Idamay | PO Box | 634 | $98,953 | 0.3 | 129.7% |
| 26574 | Grant Town | PO Box | 506 | $64,688 | 0.0 | 6.3% |
| 26563 | Carolina | PO Box | 261 | — | 0.7 | -8.1% |
| 26560 | Baxter | Standard | 153 | $6,875 | 0.2 | -0.6% |
| 26572 | Four States | PO Box | 114 | $86,136 | 0.0 | -51.3% |
| 26587 | Rachel | Standard | 98 | — | 0.7 | -71.8% |
| 26586 | Montana Mines | Standard | 58 | — | 0.2 | -14.7% |
| 26566 | Colfax | PO Box | — | — | 0.0 | — |
| 26578 | Kingmont | PO Box | — | — | 0.0 | — |
| 26555 | Fairmont | PO Box | — | — | 0.0 | — |