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Cass County, NE
18 cities and towns and 15 ZIP codes in Cass County, Nebraska.
Population
27,161
Land area
557sq mi
People per sq mi
49
ZIP codes
15
Cities and towns in Cass County
Cass County at a glance
- Cass County is 89% denser than Nebraska as a whole.
- It is the 12th most populous of 93 counties in Nebraska.
- Households here earn a median of $91,836 a year, 20% more than the Nebraska figure of $76,475.
- A typical owner-occupied home is valued at $254,900 (7% above Nebraska) and median rent is $996 a month.
- The biggest population centers are Plattsmouth (6,731), Beaver Lake (2,114) and Louisville (1,449).
Local data for Cass County, NE
Counts from official public data
Housing and community stats
Cass County, NE, American Community Survey 2020-2024
Median household income
$91,836
Poverty rate
5.2%
Median home value
$254,900
Prices +4.5% in a year
Median rent
$996/mo
Homeownership
85.4%
Bachelor's or higher
32.2%
Median age
41.5
Average commute
28.3 min
Largest reported origins and ancestries: German Americans (8,789), Irish Americans (3,348), Polish Americans (1,027).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.5%
Sep 2026, -0.3 pts in a year
Average annual pay
$52,957
6,206 jobs, 2025
Income per person
$68,296
BEA, 2024
Federal spending
$226M
FY 2026, $8,483 per person
PPP loans
$37.6M
1,089 loans, 5,223 jobs reported
Campaign donations
$144K
Itemized, 2026 cycle
How people get to work
Cass County, NE, workers 16 and older. American Community Survey 5-year estimates
- Drove alone77.8%
- Carpooled7.5%
- Public transit0.0%
- Walked1.5%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home12.3%
Average one-way commute: 28.3 minutes for people who do not work from home.
Environment and hazard risk
Cass County, NE, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hail
Storm events since 1996
695
Most often hail
Flood insurance policies
403
3.0% of homes, county
July high / Jan low
86° / 14°F
33.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone18 historic places
Health statistics
Share of adults in Cass County, NE, CDC PLACES estimates
Obesity
40.2%
U.S. 33.3% +6.9 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
13.0%
U.S. 12.8% about the same
Uninsured (18-64)
7.5%
U.S. 11.1% -3.6 pts
Cities, towns and ZIP codes in Cass County
Population shown
Frequently asked questions
- What is the largest city in Cass County, NE?
- Plattsmouth is the largest city or town in Cass County, with about 6,731 residents.
- How many ZIP codes are in Cass County?
- Cass County includes 15 ZIP Code Tabulation Areas, including 68016, 68037, 68048, 68058, 68304.
- What is the population of Cass County, NE?
- About 27,161 people live in Cass County, based on American Community Survey 5-year estimates.
- What counties border Cass County?
- Cass County borders Lancaster County, Sarpy County, Saunders County, Otoe County, Mills County, IA, Fremont County, IA.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023