ZIP Codes of Winona County, MN

Population & People
Population & People
Total Population
48,709
Household Income
Household Income
Median Income
$83,532
Housing
Housing
Total Housing Units
21,393
Business & Economy
Business & Economy
Total Businesses
1,124
Employment
Employment
Employment Rate
66.63%
Education
Education
Bachelor's Degree+
32.73%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (8 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:507 / 924
Timezone:Central (GMT -06:00)
Local Time:2:12:40 PM
Population:48,709 [See All]
FIPS:27169
CBSA:Winona, MN
Land Area:568 sq mi
Water Area:14 sq mi
Coordinates:44.0119, -91.8095
Quick Link:
https://www.zip-codes.com/county/mn-winona.asp
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Minnesota's #20 most populous county
48,709 residents across 8 ZIPs — #20 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
Winona · 34,072 people
70.0% of county total
Highest Income
Saint Charles · $98,878 median
1.2× county average
Largest Land Area
Winona · 165.1 sq mi
Spans the most ground
Fastest Growth
Dakota · 21.6% (10-yr)
1,099 → 1,336 residents
Most Educated
Winona · 35.7% bachelor's+
7,455 of 20,855 adults 25+

Things worth knowing about Winona County


48,709 residents live across 8 ZIPs covering 568 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 50,155 to 48,709 from 2014 to 2024 — a -2.9% change. 3 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 55972 (Saint Charles, $98,878 median) and poorest ZIP 55987 (Winona, $61,624) are 20.9 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.3× across this county — from $221,800 in 55987 (Winona) to $291,800 in 55969 (Rollingstone).

Density varies 16× across the county — from 13 people/sq mi in 55910 (Altura) to 206 in 55987 (Winona).

Educational attainment ranges from 17.2% bachelor's+ in 55925 (Dakota) to 35.7% in 55987 (Winona) — the breadth of educational profiles across the area.

Within Minnesota, this is the #20 most populous of 93 counties and ranks #22 for median household income .

Weighted by population, the typical household earns about $70,096 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.7% of adults age 25+ hold a bachelor's degree or higher (10,031 of 30,652 reporting).

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

Stories about Winona 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
568
square miles
Avg density
85.8
people per sq mi
Population
48,709
across 8 ZIPs
Winona
165.1 sq mi
34,072 residents
Altura
90.9 sq mi
1,171 residents
Saint Charles
87.9 sq mi
5,434 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.

Winona

All ZIP Codes in Winona County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
55987WinonaStandard34,072$61,624165.1-3.9%
55972Saint CharlesStandard5,434$98,87887.96.5%
55952LewistonStandard2,585$91,38964.07.8%
55959Minnesota CityStandard1,889$67,61740.3-20.6%
55925DakotaStandard1,336$92,50031.521.6%
55910AlturaStandard1,171$76,38990.9-20.1%
55969RollingstoneStandard1,169$94,44426.3-1.8%
55979UticaStandard1,053$85,41761.7-0.4%

Adjacent & Nearby Counties