ZIP Codes of Lincoln County, WA

Population & People
Population & People
Total Population
12,263
Household Income
Household Income
Median Income
$70,131
Housing
Housing
Total Housing Units
6,108
Business & Economy
Business & Economy
Total Businesses
298
Employment
Employment
Employment Rate
51.13%
Education
Education
Bachelor's Degree+
23.35%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 12 ZIPs in this county.
Data Last Updated: June 1, 2026
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
Quick Link:
https://www.zip-codes.com/county/wa-lincoln.asp
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Notable income spread
Median income ranges $41,774 to $106,544 across ZIPs — a 2.6× gap.
Striking education divide
Bachelor's share spans 10.6% to 41.2% — a 31-point gap.

Standout ZIPs in this County


Most Populous
Davenport · 4,046 people
33.0% of county total
Highest Income
Edwall · $106,544 median
1.5× county average
Largest Land Area
Davenport · 670.0 sq mi
Spans the most ground
Fastest Growth
Reardan · 39.9% (10-yr)
1,512 → 2,116 residents
Most Educated
Davenport · 29.3% bachelor's+
817 of 2,790 adults 25+

Things worth knowing about Lincoln County


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 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.

Stories about Lincoln County


Where the growth lives

Lincoln County grew 15.7% over the past decade — concentrated in 3 high-growth ZIPs:

Sprague
+47.1%
692 → 1,018 residents
Reardan
+39.9%
1,512 → 2,116 residents
Wilbur
+27.4%
1,178 → 1,501 residents

Big & sparse

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.

Total area
2,597
square miles
Avg density
4.7
people per sq mi
Population
12,263
across 12 ZIPs
Davenport
670.0 sq mi
4,046 residents
Odessa
493.5 sq mi
1,323 residents
Wilbur
313.8 sq mi
1,501 residents

All ZIP Codes in Lincoln County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
99122DavenportStandard4,046$82,386670.017.0%
99029ReardanStandard2,116$69,919109.139.9%
99185WilburStandard1,501$73,094313.827.4%
99159OdessaStandard1,323$64,688493.5-2.3%
99032SpragueStandard1,018$61,964250.947.1%
99134HarringtonStandard595$41,774105.3-8.2%
99103AlmiraStandard556$53,125251.916.3%
99117CrestonStandard556$63,750140.011.6%
99008EdwallStandard317$106,544143.7-46.6%
99147LincolnStandard214$84,06345.586.1%
99154MohlerStandard1424.8-54.8%
99144LamonaStandard748.1-81.1%

Adjacent & Nearby Counties