ZIP Codes of Wasco County, OR

Population & People
Population & People
Total Population
26,189
Household Income
Household Income
Median Income
$65,445
Housing
Housing
Total Housing Units
12,038
Business & Economy
Business & Economy
Total Businesses
734
Employment
Employment
Employment Rate
55.52%
Education
Education
Bachelor's Degree+
22.68%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:458 / 541
Timezone:Pacific (GMT -08:00)
Local Time:2:13:29 PM
Population:26,189 [See All]
FIPS:41065
CBSA:The Dalles, OR
Land Area:1,956 sq mi
Water Area:13 sq mi
Coordinates:45.2541, -121.0794
Quick Link:
https://www.zip-codes.com/county/or-wasco.asp
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Oregon's #24 most populous county
26,189 residents across 7 ZIPs — #24 of 38 Oregon counties.

Standout ZIPs in this County


Most Populous
The Dalles · 20,360 people
77.7% of county total
Highest Income
Dufur · $89,500 median
1.4× county average
Largest Land Area
Maupin · 740.3 sq mi
Spans the most ground
Fastest Growth
Mosier · 60.7% (10-yr)
1,146 → 1,842 residents
Most Educated
Mosier · 29.1% bachelor's+
334 of 1,147 adults 25+

Things worth knowing about Wasco County


26,189 residents live across 7 ZIPs covering 1,956 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 24,498 to 26,189 from 2014 to 2024 — a +6.9% change. 5 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 97021 (Dufur, $89,500 median) and poorest ZIP 97001 (Antelope, $39,250) are 39.8 miles apart — a 2.3× income gap across local geography.

Median home values vary 1.8× across this county — from $278,100 in 97063 (Tygh Valley) to $498,600 in 97040 (Mosier).

Density varies 47× across the county — from 1 people/sq mi in 97001 (Antelope) to 57 in 97058 (The Dalles).

Educational attainment ranges from 14.1% bachelor's+ in 97063 (Tygh Valley) to 36.9% in 97001 (Antelope) — the breadth of educational profiles across the area.

Within Oregon, this is the #24 most populous of 38 counties and ranks #28 for median household income with the #20 fastest decade growth .

Weighted by population, the typical household earns about $64,455 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.7% of adults age 25+ hold a bachelor's degree or higher (4,238 of 18,688 reporting).

5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Wasco County


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
1,956
square miles
Avg density
13.4
people per sq mi
Population
26,189
across 7 ZIPs
Maupin
740.3 sq mi
931 residents
The Dalles
359.2 sq mi
20,360 residents
Antelope
294.0 sq mi
353 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

The Dalles

All ZIP Codes in Wasco County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
97058The DallesStandard20,360$62,181359.21.7%
97040MosierStandard1,842$73,25053.460.7%
97021DufurStandard1,608$89,500276.371.2%
97063Tygh ValleyStandard1,081$58,490232.49.2%
97037MaupinStandard931$70,000740.3-9.4%
97001AntelopePO Box353$39,250294.0-3.0%
97057ShanikoPO Box140.5100.0%

Adjacent & Nearby Counties