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Where am ILOCATED

Cass County, Nebraska

Cass County, Nebraska, has 27,657 residents (July 2025 estimate). Its county seat is Plattsmouth. It uses Central Time and covers 557 sq mi (1,442 km²) of land.

OmahaLincoln
Cass County in Nebraska
PlattsmouthBeaver LakeLouisvilleBuccaneer BayWeeping Water
Cass County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
27,657
Land area
557 sq mi (1,442 km²)
County seat or government
Plattsmouth
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$91,836 ± $2,950
Median home value
$254,900 ± $11,560
Median rent, with utilities
$996 ± $64
Homes lived in by their owners
85.4% ± 2.0 points
County type
County
Metro or micro area
Omaha, NE-IA metro areaOutlying county
Water area
8.98 sq mi (23.3 km²)
State
Nebraska
County code (FIPS)
31025
Coordinates (central point)
40.909878, -96.140609
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Cass County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6804813,435 people
  2. 680035,139 people
  3. 684624,928 people
  4. 680372,524 people
  5. 683472,508 people
  6. 685272,318 people
  7. 684631,831 people
  8. 683491,224 people
  9. 684181,109 people
  10. 68366957 people
  11. 68407878 people
  12. 68455852 people
All 20
  1. 68454778 people
  2. 68409625 people
  3. 68413558 people
  4. 68016427 people
  5. 68304414 people
  6. 68058378 people
  7. 68307336 people
  8. 68403206 people

20 ZIP Code areas overlap Cass County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Precincts in Cass County, largest first

  1. Plattsmouth Precinct3,340 people
  2. Tipton Precinct2,078 people
  3. Louisville Precinct1,999 people
  4. East Rock Bluff Precinct1,951 people
  5. West Rock Bluff Precinct1,452 people
  6. Eight Mile Grove Precinct1,254 people
  7. Stove Creek Precinct1,121 people
  8. South Bend Precinct1,100 people
  9. Salt Creek Precinct867 people
  10. Liberty Precinct801 people
  11. Elmwood Precinct764 people
  12. Greenwood Precinct519 people
All 17
  1. Avoca Precinct497 people
  2. Center Precinct487 people
  3. Nehawka Precinct368 people
  4. Mount Pleasant Precinct261 people
  5. Weeping Water Precinct164 people

People counts are American Community Survey 2020–2024 5-year estimates. All precincts in Nebraska, by county

School districts in Cass County, largest first

  1. Waverly School District 14511,616 people
  2. Plattsmouth Community Schools10,180 people
  3. Nebraska City Public Schools9,662 people
  4. Ashland-Greenwood Public Schools5,798 people
  5. Syracuse-Dunbar-Avoca Schools4,642 people
  6. Conestoga Public Schools4,092 people
  7. Louisville Public Schools3,724 people
  8. Elmwood-Murdock Public Schools2,329 people
  9. Weeping Water Public Schools2,160 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Plattsmouth, Nebraska (city)6,731 people
  2. Beaver Lake, Nebraska (CDP)2,114 people
  3. Louisville, Nebraska (city)1,449 people
  4. Buccaneer Bay, Nebraska (CDP)1,418 people
  5. Weeping Water, Nebraska (city)1,407 people
  6. Eagle, Nebraska (village)1,259 people
  7. Elmwood, Nebraska (village)774 people
  8. Greenwood, Nebraska (village)601 people
  9. Murray, Nebraska (village)431 people
  10. Cedar Creek, Nebraska (village)427 people
  11. Murdock, Nebraska (village)228 people
  12. Union, Nebraska (village)215 people
All 18
  1. Manley, Nebraska (village)204 people
  2. Avoca, Nebraska (village)190 people
  3. Lake Waconda, Nebraska (CDP)127 people
  4. Alvo, Nebraska (village)123 people
  5. Nehawka, Nebraska (village)109 people
  6. South Bend, Nebraska (village)100 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Sarpy County, Nebraska14 mi north
  2. Otoe County, Nebraska19 mi south
  3. Mills County, Iowa29 mi east
  4. Lancaster County, Nebraska30 mi west
  5. Fremont County, Iowa31 mi east
  6. Saunders County, Nebraska34 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.