Jackson County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Missouri
The population of Jackson County, Missouri is 717,021 as of the 2023 American Community Survey, making it the 2nd-largest county in Missouri. The median household income is $67,178, the median home value is $213,300, and the median age is 36.9.
The population of Jackson County has grown 7.8% since 2010 (674,854 → 727,362), a +0.54% annualized rate.
717,021
Population
+0.54%
Annual growth
1186
People / sq mi
$67,178
Median Income
$213,300
Median Home Value
Jackson County covers 605 sq mi of land at 1186.1 people per square mile.
About Jackson County, MO
What distinguishes Jackson County is density: among the most densely settled of US counties, around 1,186 people per square mile. With 717,021 residents, Jackson County is a county in Missouri. It is the #2-largest of all counties in Missouri nationally.
Median household income is $67,178, below the US median of $78,538. About 9.6% of residents live below the federal poverty level, below the national 12.4%. Median home value is $213,300, with typical rent around $1,151.
Educational attainment is on the higher side for US counties — 33.5% of adults hold a four-year degree, near the national 35.0%. About 14.4% of workers primarily work from home, close to the national 14.0%, and the average commute runs about 23 minutes each way.
That density explains much of the rest of the profile in Jackson County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Jackson County Population History (2010-2024)
The county of Jackson County had a population of 674,854 in 2010 and 727,362 in 2024, a 7.8% growth over 14 years. The peak was 727,362 in 2024. Average annual growth rate: 0.54%.
727,362
Population (2024)
674,854
Population (2010)
727,362
Peak (2024)
0.54%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 674,854 |
| 2011 | 675,644 |
| 2012 | 677,570 |
| 2013 | 680,063 |
| 2014 | 683,334 |
| 2015 | 687,182 |
| 2016 | 692,812 |
| 2017 | 698,768 |
| 2018 | 701,809 |
| 2019 | 704,350 |
| 2020 | 717,662 |
| 2021 | 717,993 |
| 2022 | 716,580 |
| 2023 | 720,283 |
| 2024 | 727,362 |
Race & Ethnicity
| White | 62.7% |
| Black or African American | 22.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.8% |
| Two or More Races | 0.0% |
Age & Sex
36.9
Median Age
51.4%
Female
48.6%
Male
15.5%
Age 65+
Age Distribution
Children (under 15): 19.5% · Seniors (65+): 15.5%
Income & Poverty
| Median household income | $67,178$-1,742 vs state |
| Mean household income | $89,895 |
| Per-capita income | $38,344 |
| Poverty rate | 9.6%+1.2% vs state |
| Unemployment rate | 3.2% |
| Employment-to-population | 63.7% |
Top Industries by Employment
The largest employment sector in Jackson County is professional & business services, accounting for 22.3% of workers.
How residents commute
1.4%
Drive alone
1.3%
Carpool
74.8%
Public transit
14.4%
Work from home
23.4 min
Avg commute
Housing
$213,300$-2,300 vs state
Median home value
$1,151
Median rent
58.8%
Homeownership rate
333,385
Total housing units
90.8%
Occupied
9.2%
Vacant
41.2%
Renter-occupied
Social & access
88.7%
With health insurance
95.2%
With broadband internet
34.0%
Foreign-born
6.6%
Veterans (18+)
13.1%
With a disability
90.0%
Speak language other than English at home
Education
91.7%
High School+
33.5%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Common questions about Jackson County, MO
Frequently Asked Questions
Jackson County, Missouri has a population of 717,021 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Missouri. Population density is 1186 people per square mile.
The population of Jackson County has grown 7.8% since 2010 (674,854 → 727,362), a +0.54% annualized rate.
The median household income in Jackson County, Missouri is $67,178, with mean (average) household income of $89,895 and per-capita income of $38,344. 9.6% of residents live below the federal poverty level.
In Jackson County, the largest racial and ethnic groups are White (62.7%), Black or African American (22.5%), Hispanic or Latino (1.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jackson County, Missouri is 36.9 years. Residents are 51.4% female and 48.6% male.
The median home value in Jackson County is $213,300 and median monthly rent is $1,151. 58.8% of occupied housing units are owner-occupied. The county has 333,385 total housing units, 9.2% of which are vacant.
The largest employment sector in Jackson County, Missouri is professional, scientific, and management services, employing 22.3% of workers. The unemployment rate is 3.2%.
Kansas City is among the largest cities associated with Jackson County, Missouri, with a population of 508,233.
Jackson County, MO Climate
Jackson County, MO has an average annual temperature of 12.6°C (55°F) and receives about 1014 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.6°C
Avg Temp
1014
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 32 mm |
| February | 1° / 34° | 35 mm |
| March | 7° / 44° | 68 mm |
| April | 13° / 55° | 96 mm |
| May | 18° / 65° | 130 mm |
| June | 23° / 74° | 127 mm |
| July | 26° / 79° | 104 mm |
| August | 25° / 77° | 96 mm |
| September | 20° / 69° | 125 mm |
| October | 14° / 57° | 88 mm |
| November | 6° / 44° | 68 mm |
| December | 0° / 33° | 45 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Jackson County, MO
The most comfortable months to visit Jackson County, MO are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -8°C low). May is usually the wettest month.
Where to stay near Jackson County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.