What is the largest city in Jackson County, MO?

Kansas City is the largest city or town in Jackson County, with about 510,612 residents.

How many ZIP codes are in Jackson County?

Jackson County includes 56 ZIP Code Tabulation Areas, including 64014, 64015, 64016, 64029, 64030.

What is the population of Jackson County, MO?

About 719,976 people live in Jackson County, based on American Community Survey 5-year estimates.

What counties border Jackson County?

Jackson County borders Johnson County, KS, Clay County, Wyandotte County, KS, Cass County, Johnson County, Lafayette County, Ray County.

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

Population

719,976

Land area

605sq mi

People per sq mi

1,191

ZIP codes

56

Jackson County at a glance

Jackson County is about 13 times as dense as Missouri as a whole.
It is the 2nd most populous of 115 counties in Missouri.
Households here earn a median of $68,577 a year, 3% less than the Missouri figure of $70,702.
A typical owner-occupied home is valued at $230,500 and median rent is $1,197 a month.
The biggest population centers are Kansas City (510,612), Independence (121,740) and Lee's Summit (103,656).

Local data for Jackson County, MO

Counts from official public data

Housing and community stats

Jackson County, MO, American Community Survey 2020-2024

Full profile

Median household income

$68,577

Poverty rate

14.1%

Median home value

$230,500

Prices +3.1% in a year

Median rent

$1,197/mo

Homeownership

59.1%

Bachelor's or higher

34.0%

Median age

37.0

Average commute

23.4 min

Largest reported origins and ancestries: German Americans (110,375), Irish Americans (72,890), Mexican Americans (55,624).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.8%

Aug 2026, -0.6 pts in a year

Average annual pay

$74,439

374,810 jobs, 2025

Income per person

$60,129

BEA, 2024

Federal spending

$7.28B

FY 2026, $10,145 per person

PPP loans

$1.89B

22,916 loans, 196,079 jobs reported

Campaign donations

$5.76M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

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

Drove alone72.7%
Carpooled7.0%
Public transit1.4%
Walked1.4%
Bicycle0.2%
Taxi, ride-hailing, motorcycle or other1.5%
Worked from home15.8%

Average one-way commute: 23.4 minutes for people who do not work from home.

Environment and hazard risk

Jackson County, MO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: tornado

Storm events since 1996

1,429

Most often thunderstorm wind

Flood insurance policies

527

0.2% of homes, county

July high / Jan low

87° / 19°F

44.7 inches of rain a year

Hazards, floods and storm history Check a flood zone 271 historic places

Health statistics

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

All 40 measures

Obesity

37.2%

U.S. 33.3% +3.9 pts

Diabetes

12.1%

U.S. 12.1% about the same

Smoking

15.8%

U.S. 12.8% +3.0 pts

Uninsured (18-64)

10.0%

U.S. 11.1% -1.1 pts

Cities, towns and ZIP codes in Jackson County

Population shown

Frequently asked questions

What is the largest city in Jackson County, MO?: Kansas City is the largest city or town in Jackson County, with about 510,612 residents.
How many ZIP codes are in Jackson County?: Jackson County includes 56 ZIP Code Tabulation Areas, including 64014, 64015, 64016, 64029, 64030.
What is the population of Jackson County, MO?: About 719,976 people live in Jackson County, based on American Community Survey 5-year estimates.
What counties border Jackson County?: Jackson County borders Johnson County, KS, Clay County, Wyandotte County, KS, Cass County, Johnson County, Lafayette County, Ray County.