| ZIP Codes: | 22 ZIP Codes (15 Standard, 7 PO Box, 0 Unique) [See All] |
| Area Code: | 435 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:14:06 PM |
| Population: | 196,501 [See All] |
| FIPS: | 49053 |
| CBSA: | St. George, UT |
| Land Area: | 2,152 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 37.2419, -113.4570 |
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196,501 residents live across 22 ZIPs covering 2,152 sq mi, served by 19 distinct USPS-recognized cities.
Population moved from 144,872 to 196,501 from 2014 to 2024 — a +35.6% change. 16 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 84774 (Toquerville, $97,813 median) and poorest ZIP 84745 (La Verkin, $68,269) are 6.8 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.7× across this county — from $379,200 in 84784 (Hildale) to $656,100 in 84757 (New Harmony).
Density varies 67× across the county — from 11 people/sq mi in 84757 (New Harmony) to 754 in 84745 (La Verkin).
Educational attainment ranges from 21.7% bachelor's+ in 84725 (Enterprise) to 47.9% in 84738 (Ivins) — the breadth of educational profiles across the area.
Within Utah, this is the #5 most populous of 29 counties and ranks #13 for median household income with the #2 fastest decade growth .
On the national stage, Washington County is and #39 for decade growth .
Weighted by population, the typical household earns about $82,999 across the county — reflecting what a typical resident sees, not a simple ZIP average.
35.2% of adults age 25+ hold a bachelor's degree or higher (45,891 of 130,368 reporting).
15 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.
Washington County grew 35.6% over the past decade — concentrated in 5 high-growth ZIPs:
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 84790 | Saint George | Standard | 55,892 | $91,054 | 95.3 | 47.4% |
| 84770 | Saint George | Standard | 48,397 | $70,024 | 89.6 | 21.0% |
| 84780 | Washington | Standard | 32,366 | $91,963 | 70.5 | 55.3% |
| 84737 | Hurricane | Standard | 24,359 | $75,545 | 270.8 | 55.0% |
| 84738 | Ivins | Standard | 10,050 | $77,993 | 47.5 | 35.2% |
| 84765 | Santa Clara | Standard | 8,152 | $96,475 | 33.6 | 27.7% |
| 84745 | La Verkin | Standard | 4,476 | $68,269 | 5.9 | 8.0% |
| 84774 | Toquerville | Standard | 2,344 | $97,813 | 77.2 | 22.9% |
| 84725 | Enterprise | PO Box | 2,054 | $95,156 | 122.7 | 11.3% |
| 84757 | New Harmony | Standard | 1,494 | $85,104 | 132.0 | 101.1% |
| 84784 | Hildale | PO Box | 1,372 | $78,523 | 79.3 | -52.6% |
| 84746 | Leeds | PO Box | 1,092 | $93,889 | 61.1 | -19.2% |
| 84783 | Dammeron Valley | Standard | 928 | — | 28.1 | 89.0% |
| 84779 | Virgin | Standard | 713 | $68,750 | 36.1 | 47.6% |
| 84767 | Springdale | PO Box | 663 | $63,333 | 327.4 | 5.1% |
| 84722 | Central | Standard | 660 | $115,486 | 134.1 | 1.5% |
| 84782 | Veyo | Standard | 598 | $75,625 | 32.0 | -20.6% |
| 84781 | Pine Valley | Standard | 355 | $104,286 | 196.7 | 155.4% |
| 84733 | Gunlock | Standard | 276 | $130,179 | 297.7 | 69.3% |
| 84763 | Rockville | PO Box | 260 | $54,722 | 14.0 | -34.7% |
| 84791 | Saint George | PO Box | — | — | 0.0 | — |
| 84771 | Saint George | PO Box | — | — | 0.0 | — |