ZIP Codes of Brown County, NE

Population & People
Population & People
Total Population
2,911
Household Income
Household Income
Median Income
$53,452
Housing
Housing
Total Housing Units
1,668
Business & Economy
Business & Economy
Total Businesses
148
Employment
Employment
Employment Rate
59.89%
Education
Education
Bachelor's Degree+
24.64%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:402 / 531
Timezone:Central (GMT -06:00)
Local Time:2:13:04 PM
Population:2,911 [See All]
FIPS:31017
Land Area:1,269 sq mi
Water Area:4 sq mi
Coordinates:42.5384, -99.9433
Quick Link:
https://www.zip-codes.com/county/ne-brown.asp
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Nebraska's #62 most populous county
2,911 residents across 3 ZIPs — #62 of 107 Nebraska counties.

Standout ZIPs in this County


Most Populous
Ainsworth · 2,191 people
75.3% of county total
Highest Income
Johnstown · $64,293 median
1.2× county average
Largest Land Area
Ainsworth · 856.6 sq mi
Spans the most ground
Fastest Growth
Ainsworth · -12.2% (10-yr)
2,495 → 2,191 residents
Most Educated
Ainsworth · 24.4% bachelor's+
391 of 1,605 adults 25+

Things worth knowing about Brown County


2,911 residents live across 3 ZIPs covering 1,269 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 3,114 to 2,911 from 2014 to 2024 — a -6.5% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 69214 (Johnstown, $64,293 median) and poorest ZIP 69217 (Long Pine, $39,438) are 22.9 miles apart — a 1.6× income gap across local geography.

Median home values vary 3.3× across this county — from $55,900 in 69217 (Long Pine) to $181,700 in 69214 (Johnstown).

Density varies across the county — from 1 people/sq mi in 69214 (Johnstown) to 3 in 69210 (Ainsworth).

Educational attainment ranges from 19.4% bachelor's+ in 69214 (Johnstown) to 28.3% in 69217 (Long Pine) — the breadth of educational profiles across the area.

Within Nebraska, this is the #62 most populous of 107 counties and ranks #98 for median household income .

Weighted by population, the typical household earns about $53,885 across the county — reflecting what a typical resident sees, not a simple ZIP average.

24.6% of adults age 25+ hold a bachelor's degree or higher (509 of 2,066 reporting).

3 Standard delivery, 0 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
1,269
square miles
Avg density
2.3
people per sq mi
Population
2,911
across 3 ZIPs
Ainsworth
856.6 sq mi
2,191 residents
Long Pine
231.6 sq mi
543 residents
Johnstown
180.5 sq mi
177 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.

Ainsworth

Population decline

Brown County lost 6.5% of residents between 2014 and 2024. ZIPs that shed the largest share:

Ainsworth
-12.2%
2,495 → 2,191 residents

All ZIP Codes in Brown County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
69210AinsworthStandard2,191$56,625856.6-12.2%
69217Long PineStandard543$39,438231.649.6%
69214JohnstownStandard177$64,293180.5-30.9%

Adjacent & Nearby Counties