| ZIP Codes: | 12 ZIP Codes (12 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 509 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:14:16 PM |
| Population: | 12,263 [See All] |
| FIPS: | 53043 |
| Land Area: | 2,597 sq mi |
| Water Area: | 27 sq mi |
| Coordinates: | 47.5774, -118.3785 |
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12,263 residents live across 12 ZIPs covering 2,597 sq mi, served by 12 distinct USPS-recognized cities.
Population moved from 10,595 to 12,263 from 2014 to 2024 — a +15.7% change. 7 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 99008 (Edwall, $106,544 median) and poorest ZIP 99134 (Harrington, $41,774) are 20.3 miles apart — a 2.6× income gap across local geography.
Median home values vary 2.5× across this county — from $205,400 in 99032 (Sprague) to $508,300 in 99008 (Edwall).
Density varies 9× across the county — from 2 people/sq mi in 99008 (Edwall) to 19 in 99029 (Reardan).
Educational attainment ranges from 10.6% bachelor's+ in 99032 (Sprague) to 41.2% in 99134 (Harrington) — the breadth of educational profiles across the area.
Within Washington, this is the #34 most populous of 39 counties and ranks #25 for median household income with the #9 fastest decade growth .
Weighted by population, the typical household earns about $71,987 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.4% of adults age 25+ hold a bachelor's degree or higher (2,038 of 8,728 reporting).
12 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
Lincoln County grew 15.7% over the past decade — concentrated in 3 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 |
|---|---|---|---|---|---|---|
| 99122 | Davenport | Standard | 4,046 | $82,386 | 670.0 | 17.0% |
| 99029 | Reardan | Standard | 2,116 | $69,919 | 109.1 | 39.9% |
| 99185 | Wilbur | Standard | 1,501 | $73,094 | 313.8 | 27.4% |
| 99159 | Odessa | Standard | 1,323 | $64,688 | 493.5 | -2.3% |
| 99032 | Sprague | Standard | 1,018 | $61,964 | 250.9 | 47.1% |
| 99134 | Harrington | Standard | 595 | $41,774 | 105.3 | -8.2% |
| 99103 | Almira | Standard | 556 | $53,125 | 251.9 | 16.3% |
| 99117 | Creston | Standard | 556 | $63,750 | 140.0 | 11.6% |
| 99008 | Edwall | Standard | 317 | $106,544 | 143.7 | -46.6% |
| 99147 | Lincoln | Standard | 214 | $84,063 | 45.5 | 86.1% |
| 99154 | Mohler | Standard | 14 | — | 24.8 | -54.8% |
| 99144 | Lamona | Standard | 7 | — | 48.1 | -81.1% |