What is the population of Cass County?

The population of Cass County, NE is 26,232.

Where is Cass County located?

Cass County, NE is located at latitude 40.9097200 and longitude -96.1408700. It is in United States.

What is the area of Cass County?

The area of Cass County, NE is 1466 km².

What is the elevation of Cass County?

Cass County, NE has an elevation of 391 meters (1283 feet) above sea level.

What time zone is Cass County in?

Cass County, NE is in the America/Chicago time zone.

How has the population of Cass County changed?

The population of Cass County, NE has increased from 25,241 (2010) to 26,232 (2020), a change of 3.9%.

Cass County, Nebraska

Cass County: county in Nebraska, United States.

About

Cass County is a county located in the U.S. state of Nebraska. As of the 2010 census, the population was 25,241 and a population density of 17 people per km². After 10 years in 2020 county had an estimated population of 26,232 inhabitants. Its county seat is Plattsmouth. The county was created 172 years ago in 1853.

Cass County locator map — Location of Cass County on Nebraska map.

County Snapshot

Cass County at a glance

Cass County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Nebraska counties

Open related pages

Largest city

Plattsmouth

Population 6,416

Quick Facts about Cass County

Population	26,232 (2020)
Country	United States of America
State	Nebraska (United States)
Different from	Cass County, Cass County, Cass County, Cass County, Cass County, Cass County, Cass County, Cass County
Area	1466 km²
Water as percent of area	1.5%
Land as percent of area	98.5%
Latitude & Longitude	40.9097,-96.1409
Named for	Lewis Cass
Capital	Plattsmouth
Establishment	January 01, 1854
Time Zone	America/Chicago
Local time	05:31:04 (23rd September 2026)
Density	18 Pop. per km² as of 2020
Population growth	3.93% (2010-2020)
Weather	63℉ Partly Sunny 7-days weather

Cass County Nebraska courthouse from SW 1 image

Geography

Cass County is located at 40°54'35"N 96°8'27"W (40.9097200, -96.1408700). It has 5 neighbors: Fremont County, Lancaster County, Otoe County, Sarpy County and Saunders County.

Cass County map

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The largest city of Cass County is Plattsmouth with a population of 6,416. Other cities include, Louisville population 1,315 and Weeping Water population 1,094. See all Cass County cities & populated places.

Cass County Populated Places

Cities, towns, neighborhoods & other populated places in Cass County.

City Name	Population	Title
Plattsmouth	6,416	City in and county seat of Cass County, Nebraska, United States
Louisville	1,315	City in Cass County, Nebraska, United States
Weeping Water	1,094	City in Cass County, Nebraska, United States

Weather

63°F

Partly Sunny

5 mph ESE Wednesday

Partly sunny, with a high near 63. East southeast wind around 5 mph.

7-Day Forecast

Official website of Cass County

Official Website

Cass County has 5 neighbours.

Fremont County county in Iowa, United States.
Lancaster County county in Nebraska, United States.
Otoe County county in Nebraska, United States.
Sarpy County county in Nebraska, United States.
Saunders County county in Nebraska, United States.

Plattsmouth

Demographics

The population of Cass County increased by 3.93% in 10 years.

Year	Population	% Change	Method
2010	25,241	-	census
2011	25,237	-0.02%	estimation process
2012	25,126	-0.44%	estimation process
2013	25,295	0.67%	estimation process
2014	25,404	0.43%	estimation process
2015	25,421	0.07%	estimation process
2016	25,647	0.89%	estimation process
2017	25,935	1.12%	estimation process
2018	26,189	0.98%	estimation process
2019	26,248	0.23%	estimation process
2020	26,232	-0.06%	estimation process

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Other places with the same name (8)

Cass County, North Dakota county in Minnesota, United States. with a population of 183,904 people.
Cass County, Missouri county in Missouri, United States. with a population of 106,806 people.
Cass County, Michigan county in Michigan, United States. with a population of 51,584 people.
Cass County, Indiana county in Indiana, United States. with a population of 37,388 people.
Cass County, Minnesota county in Minnesota, United States. with a population of 29,928 people.
Cass County, Texas county in Texas, United States. with a population of 29,879 people.
Cass County, Iowa county in Iowa, United States. with a population of 12,817 people.
Cass County, Illinois county in Illinois, United States. with a population of 11,925 people.

Nebraska Other Counties (more counties)

County Name	Population	Title
Douglas County	574,332	County in Oregon, United States
Omaha	478,393	The largest city in Nebraska and the center of the Omaha metropolitan area.
Lancaster County	320,650	County in Nebraska, United States
Lincoln	290,505	The capital of Nebraska and the center of the Lincoln metropolitan area.
Sarpy County	188,856	County in Nebraska, United States
Hall County	61,028	County in Nebraska, United States
Bellevue	53,270	The most populous city in Sarpy County, Nebraska.
Grand Island	51,004	The most populous city in Hall County, Nebraska.
Buffalo County	50,114	County in Wisconsin, United States
Dodge County	36,222	County in Nebraska, United States
Scotts Bluff County	35,299	County in Nebraska, United States
Madison County	34,813	County in Nebraska, United States
Lincoln County	34,347	County in Nebraska, United States
Kearney	34,235	City in and county seat of Buffalo County, Nebraska, United States
Platte County	33,364	County in Nebraska, United States
Adams County	31,321	County in Nebraska, United States