ZIP Codes of Sherman County, OR

Population & People
Population & People
Total Population
1,938
Household Income
Household Income
Median Income
$61,838
Housing
Housing
Total Housing Units
969
Business & Economy
Business & Economy
Total Businesses
66
Employment
Employment
Employment Rate
48.93%
Education
Education
Bachelor's Degree+
16.04%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (3 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:458 / 541
Timezone:Pacific (GMT -08:00)
Local Time:11:54:48 PM
Population:1,938 [See All]
FIPS:41055
Land Area:836 sq mi
Water Area:8 sq mi
Coordinates:45.4577, -120.6949
Quick Link:
https://www.zip-codes.com/county/or-sherman.asp
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Oregon's #35 most populous county
1,938 residents across 5 ZIPs — #35 of 38 Oregon counties.

Standout ZIPs in this County


Most Populous
Wasco · 760 people
39.2% of county total
Highest Income
Moro · $93,056 median
1.5× county average
Largest Land Area
Wasco · 258.9 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Sherman County


1,938 residents live across 5 ZIPs covering 836 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 1,790 to 1,938 from 2014 to 2024 — a +8.3% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 97039 (Moro, $93,056 median) and poorest ZIP 97050 (Rufus, $39,306) are 19.4 miles apart — a 2.4× income gap across local geography.

Median home values vary 2.2× across this county — from $123,100 in 97029 (Grass Valley) to $265,300 in 97039 (Moro).

Density varies 55× across the county — from 1 people/sq mi in 97033 (Kent) to 33 in 97050 (Rufus).

Educational attainment ranges from 12.0% bachelor's+ in 97039 (Moro) to 21.1% in 97029 (Grass Valley) — the breadth of educational profiles across the area.

Within Oregon, this is the #35 most populous of 38 counties and ranks #29 for median household income with the #17 fastest decade growth .

Weighted by population, the typical household earns about $62,793 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.0% of adults age 25+ hold a bachelor's degree or higher (216 of 1,347 reporting).

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

Stories about Sherman 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
836
square miles
Avg density
2.3
people per sq mi
Population
1,938
across 5 ZIPs
Wasco
258.9 sq mi
760 residents
Grass Valley
209.6 sq mi
442 residents
Kent
183.9 sq mi
111 residents

All ZIP Codes in Sherman County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
97065WascoStandard760$53,875258.918.6%
97029Grass ValleyStandard442$61,116209.636.4%
97039MoroStandard413$93,056176.8-19.6%
97050RufusPO Box212$39,3066.4-13.1%
97033KentPO Box111183.965.7%

Adjacent & Nearby Counties