ZIP Codes of Houston County, MN

Population & People
Population & People
Total Population
19,689
Household Income
Household Income
Median Income
$75,532
Housing
Housing
Total Housing Units
9,215
Business & Economy
Business & Economy
Total Businesses
407
Employment
Employment
Employment Rate
64.12%
Education
Education
Bachelor's Degree+
30.26%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:507 / 924
Timezone:Central (GMT -06:00)
Local Time:11:53:55 PM
Population:19,689 [See All]
FIPS:27055
CBSA:La Crosse-Onalaska, WI-MN
Land Area:608 sq mi
Water Area:18 sq mi
Coordinates:43.6732, -91.4416
Quick Link:
https://www.zip-codes.com/county/mn-houston.asp
Need Houston data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Minnesota's #49 most populous county
19,689 residents across 7 ZIPs — #49 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
La Crescent · 7,403 people
37.6% of county total
Highest Income
La Crescent · $88,611 median
1.2× county average
Largest Land Area
Caledonia · 187.4 sq mi
Spans the most ground
Fastest Growth
Houston · 4.0% (10-yr)
3,097 → 3,221 residents
Most Educated
La Crescent · 40.6% bachelor's+
2,239 of 5,516 adults 25+

Things worth knowing about Houston County


19,689 residents live across 7 ZIPs covering 608 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 19,785 to 19,689 from 2014 to 2024 — a -0.5% change. 4 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 55947 (La Crescent, $88,611 median) and poorest ZIP 55974 (Spring Grove, $59,205) are 21.9 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.3× across this county — from $130,800 in 55931 (Eitzen) to $302,200 in 55947 (La Crescent).

Density varies across the county — from 19 people/sq mi in 55943 (Houston) to 94 in 55947 (La Crescent).

Educational attainment ranges from 20.3% bachelor's+ in 55941 (Hokah) to 40.6% in 55947 (La Crescent) — the breadth of educational profiles across the area.

Within Minnesota, this is the #49 most populous of 93 counties and ranks #47 for median household income .

Weighted by population, the typical household earns about $79,466 across the county — reflecting what a typical resident sees, not a simple ZIP average.

30.3% of adults age 25+ hold a bachelor's degree or higher (4,299 of 14,205 reporting).

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

Stories about Houston 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
608
square miles
Avg density
32.4
people per sq mi
Population
19,689
across 7 ZIPs
Caledonia
187.4 sq mi
4,659 residents
Houston
173.6 sq mi
3,221 residents
Spring Grove
81.5 sq mi
1,902 residents

All ZIP Codes in Houston County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
55947La CrescentStandard7,403$88,61178.6-1.1%
55921CaledoniaStandard4,659$80,161187.4-3.3%
55943HoustonStandard3,221$72,411173.64.0%
55974Spring GroveStandard1,902$59,20581.5-10.5%
55941HokahStandard1,072$72,50030.910.9%
55919BrownsvilleStandard1,040$77,91736.78.3%
55931EitzenStandard392$77,91719.218.8%

Adjacent & Nearby Counties