ZIP Codes of Brown County, MN

Population & People
Population & People
Total Population
27,355
Household Income
Household Income
Median Income
$69,153
Housing
Housing
Total Housing Units
12,389
Business & Economy
Business & Economy
Total Businesses
812
Employment
Employment
Employment Rate
64.06%
Education
Education
Bachelor's Degree+
24.54%
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:507 / 924
Timezone:Central (GMT -06:00)
Local Time:2:12:35 PM
Population:27,355 [See All]
FIPS:27015
CBSA:New Ulm, MN
Land Area:734 sq mi
Water Area:9 sq mi
Coordinates:44.2369, -94.6545
Quick Link:
https://www.zip-codes.com/county/mn-brown.asp
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Minnesota's #38 most populous county
27,355 residents across 7 ZIPs — #38 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
New Ulm · 17,339 people
63.4% of county total
Highest Income
Hanska · $80,833 median
1.2× county average
Largest Land Area
Sleepy Eye · 208.9 sq mi
Spans the most ground
Fastest Growth
New Ulm · 4.4% (10-yr)
16,616 → 17,339 residents
Most Educated
New Ulm · 27.2% bachelor's+
3,222 of 11,832 adults 25+

Things worth knowing about Brown County


27,355 residents live across 7 ZIPs covering 734 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 27,057 to 27,325 from 2014 to 2024 — a +1.0% change. 1 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 56041 (Hanska, $80,833 median) and poorest ZIP 56087 (Springfield, $64,375) are 22.3 miles apart — a 1.3× income gap across local geography.

Median home values vary 1.5× across this county — from $142,600 in 56087 (Springfield) to $218,700 in 56073 (New Ulm).

Density varies 11× across the county — from 8 people/sq mi in 56019 (Comfrey) to 86 in 56073 (New Ulm).

Educational attainment ranges from 14.6% bachelor's+ in 56019 (Comfrey) to 27.2% in 56073 (New Ulm) — the breadth of educational profiles across the area.

Within Minnesota, this is the #38 most populous of 93 counties and ranks #71 for median household income .

Weighted by population, the typical household earns about $70,354 across the county — reflecting what a typical resident sees, not a simple ZIP average.

24.5% of adults age 25+ hold a bachelor's degree or higher (4,631 of 18,871 reporting).

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

Stories about Brown 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
734
square miles
Avg density
37.3
people per sq mi
Population
27,355
across 7 ZIPs
Sleepy Eye
208.9 sq mi
5,047 residents
New Ulm
201.5 sq mi
17,339 residents
Springfield
148.3 sq mi
3,105 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.

New Ulm

All ZIP Codes in Brown County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56073New UlmStandard17,339$70,250201.54.4%
56085Sleepy EyeStandard5,047$73,000208.9-5.2%
56087SpringfieldStandard3,105$64,375148.3-0.3%
56041HanskaStandard1,039$80,83376.0-0.7%
56019ComfreyStandard795$65,83399.0-16.9%
56030EssigPO Box30$60,6250.0
56084SearlesPO Box0.0

Adjacent & Nearby Counties