ZIP Codes of Johnson County, NE

Population & People
Population & People
Total Population
5,337
Household Income
Household Income
Median Income
$65,975
Housing
Housing
Total Housing Units
2,156
Business & Economy
Business & Economy
Total Businesses
107
Employment
Employment
Employment Rate
47.06%
Education
Education
Bachelor's Degree+
17.12%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:402 / 531
Timezone:Central (GMT -06:00)
Local Time:2:13:06 PM
Population:5,337 [See All]
FIPS:31097
Land Area:388 sq mi
Water Area:1 sq mi
Coordinates:40.3906, -96.2614
Quick Link:
https://www.zip-codes.com/county/ne-johnson.asp
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Nebraska's #51 most populous county
5,337 residents across 5 ZIPs — #51 of 107 Nebraska counties.

Standout ZIPs in this County


Most Populous
Tecumseh · 3,124 people
58.5% of county total
Highest Income
Cook · $77,614 median
1.2× county average
Largest Land Area
Tecumseh · 132.8 sq mi
Spans the most ground
Fastest Growth
Sterling · 18.2% (10-yr)
1,015 → 1,200 residents
Most Educated
Tecumseh · 12.2% bachelor's+
287 of 2,346 adults 25+

Things worth knowing about Johnson County


5,337 residents live across 5 ZIPs covering 388 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 5,194 to 5,337 from 2014 to 2024 — a +2.8% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 68329 (Cook, $77,614 median) and poorest ZIP 68450 (Tecumseh, $46,132) are 11.8 miles apart — a 1.7× income gap across local geography.

Median home values vary 1.4× across this county — from $158,600 in 68450 (Tecumseh) to $218,800 in 68332 (Crab Orchard).

Density varies 11× across the county — from 2 people/sq mi in 68332 (Crab Orchard) to 24 in 68450 (Tecumseh).

Educational attainment ranges from 12.2% bachelor's+ in 68450 (Tecumseh) to 31.3% in 68332 (Crab Orchard) — the breadth of educational profiles across the area.

Within Nebraska, this is the #51 most populous of 107 counties and ranks #72 for median household income .

Weighted by population, the typical household earns about $56,440 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.1% of adults age 25+ hold a bachelor's degree or higher (661 of 3,860 reporting).

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

All ZIP Codes in Johnson County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
68450TecumsehStandard3,124$46,132132.8-4.8%
68443SterlingStandard1,200$67,96997.318.2%
68329CookStandard579$77,61464.57.4%
68348Elk CreekStandard341$71,59748.425.8%
68332Crab OrchardStandard93$66,56345.38.1%

Adjacent & Nearby Counties