ZIP Codes of Douglas County, MN

Population & People
Population & People
Total Population
40,720
Household Income
Household Income
Median Income
$83,581
Housing
Housing
Total Housing Units
23,188
Business & Economy
Business & Economy
Total Businesses
1,401
Employment
Employment
Employment Rate
61.05%
Education
Education
Bachelor's Degree+
29.69%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (10 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:218 / 320
Timezone:Central (GMT -06:00)
Local Time:2:12:36 PM
Population:40,720 [See All]
FIPS:27041
CBSA:Alexandria, MN
Land Area:833 sq mi
Water Area:94 sq mi
Coordinates:45.9241, -95.4300
Quick Link:
https://www.zip-codes.com/county/mn-douglas.asp
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Minnesota's #24 most populous county
40,720 residents across 11 ZIPs — #24 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
Alexandria · 27,008 people
66.3% of county total
Highest Income
Nelson · $97,500 median
1.2× county average
Largest Land Area
Alexandria · 200.5 sq mi
Spans the most ground
Fastest Growth
Garfield · 29.6% (10-yr)
1,255 → 1,627 residents
Most Educated
Alexandria · 34.0% bachelor's+
6,540 of 19,212 adults 25+

Things worth knowing about Douglas County


40,720 residents live across 11 ZIPs covering 833 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 37,872 to 40,720 from 2014 to 2024 — a +7.5% change. 6 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 56355 (Nelson, $97,500 median) and poorest ZIP 56343 (Kensington, $64,659) are 23.3 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.7× across this county — from $244,300 in 56326 (Evansville) to $403,700 in 56354 (Miltona).

Density varies 14× across the county — from 10 people/sq mi in 56343 (Kensington) to 135 in 56308 (Alexandria).

Educational attainment ranges from 17.7% bachelor's+ in 56343 (Kensington) to 34.0% in 56308 (Alexandria) — the breadth of educational profiles across the area.

Within Minnesota, this is the #24 most populous of 93 counties and ranks #21 for median household income with the #18 fastest decade growth .

Weighted by population, the typical household earns about $79,473 across the county — reflecting what a typical resident sees, not a simple ZIP average.

29.7% of adults age 25+ hold a bachelor's degree or higher (8,680 of 29,239 reporting).

10 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Douglas 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
833
square miles
Avg density
48.9
people per sq mi
Population
40,720
across 11 ZIPs
Alexandria
200.5 sq mi
27,008 residents
Osakis
146.0 sq mi
3,721 residents
Evansville
108.9 sq mi
1,716 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.

Alexandria

All ZIP Codes in Douglas County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56308AlexandriaStandard27,008$78,177200.511.6%
56360OsakisStandard3,721$69,013146.0-9.7%
56315BrandonStandard1,803$89,51474.64.8%
56326EvansvilleStandard1,716$85,625108.97.3%
56332GarfieldStandard1,627$87,91754.629.6%
56354MiltonaStandard1,337$88,69348.80.5%
56319CarlosStandard1,283$89,71240.4-14.9%
56343KensingtonStandard759$64,65977.4-14.2%
56355NelsonStandard737$97,50026.452.6%
56327FarwellStandard729$85,00055.7-4.3%
56341Holmes CityPO Box0.0

Adjacent & Nearby Counties