What is the largest city in Cass County, MO?

Belton is the largest city or town in Cass County, with about 25,008 residents.

How many ZIP codes are in Cass County?

Cass County includes 13 ZIP Code Tabulation Areas, including 64012, 64078, 64080, 64083, 64090.

What is the population of Cass County, MO?

About 110,773 people live in Cass County, based on American Community Survey 5-year estimates.

What counties border Cass County?

Cass County borders Jackson County, Johnson County, KS, Johnson County, Miami County, KS, Henry County, Bates County.

Cass County, MO: Cities, ZIP Codes & Local Data

Population

110,773

Land area

697sq mi

People per sq mi

159

ZIP codes

13

Cass County at a glance

Cass County is 77% denser than Missouri as a whole.
It is the 10th most populous of 115 counties in Missouri.
Households here earn a median of $87,535 a year, 24% more than the Missouri figure of $70,702.
A typical owner-occupied home is valued at $292,400 (27% above Missouri) and median rent is $1,205 a month.
The biggest population centers are Belton (25,008), Raymore (24,526) and Harrisonville (9,970).

Local data for Cass County, MO

Counts from official public data

Housing and community stats

Cass County, MO, American Community Survey 2020-2024

Full profile

Median household income

$87,535

Poverty rate

6.2%

Median home value

$292,400

Prices +2.5% in a year

Median rent

$1,205/mo

Homeownership

75.6%

Bachelor's or higher

29.6%

Median age

40.4

Average commute

28.0 min

Largest reported origins and ancestries: German Americans (22,967), Irish Americans (13,900), Mexican Americans (3,699).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.5%

Aug 2026, -0.2 pts in a year

Average annual pay

$50,179

31,431 jobs, 2025

Income per person

$62,709

BEA, 2024

Federal spending

$677M

FY 2026, $6,280 per person

PPP loans

$145M

2,865 loans, 16,409 jobs reported

Campaign donations

$731K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Cass County, MO, workers 16 and older. American Community Survey 5-year estimates

Drove alone76.1%
Carpooled8.0%
Public transit0.0%
Walked1.1%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other0.8%
Worked from home13.9%

Average one-way commute: 28.0 minutes for people who do not work from home.

Environment and hazard risk

Cass County, MO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: hail

Storm events since 1996

771

Most often hail

Flood insurance policies

102

0.3% of homes, county

July high / Jan low

88° / 21°F

42.7 inches of rain a year

Hazards, floods and storm history Check a flood zone 5 historic places

Health statistics

Share of adults in Cass County, MO, CDC PLACES estimates

All 40 measures

Obesity

38.0%

U.S. 33.3% +4.7 pts

Diabetes

11.5%

U.S. 12.1% -0.6 pts

Smoking

14.9%

U.S. 12.8% +2.1 pts

Uninsured (18-64)

8.0%

U.S. 11.1% -3.1 pts

Cities, towns and ZIP codes in Cass County

Population shown

Frequently asked questions

What is the largest city in Cass County, MO?: Belton is the largest city or town in Cass County, with about 25,008 residents.
How many ZIP codes are in Cass County?: Cass County includes 13 ZIP Code Tabulation Areas, including 64012, 64078, 64080, 64083, 64090.
What is the population of Cass County, MO?: About 110,773 people live in Cass County, based on American Community Survey 5-year estimates.
What counties border Cass County?: Cass County borders Jackson County, Johnson County, KS, Johnson County, Miami County, KS, Henry County, Bates County.