Pettis County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 26th-largest in Missouri
The population of Pettis County, Missouri is 43,205 as of the 2023 American Community Survey, making it the 26th-largest county in Missouri. The median household income is $60,232, the median home value is $161,500, and the median age is 37.9.
The population of Pettis County has grown 3.6% since 2010 (42,263 → 43,791), a +0.25% annualized rate.
43,205
Population
+0.25%
Annual growth
63
People / sq mi
$60,232
Median Income
$161,500
Median Home Value
Pettis County covers 682 sq mi of land at 63.3 people per square mile.
About Pettis County, MO
Pettis County is a county in Missouri with a population of 43,205. It ranks #26 among counties in Missouri by population. The median age is 37.9, in line with the national median. The population is 50.2% male and 49.8% female.
The median household income in Pettis County is $60,232, below the US median of $74,580. 8.4% of residents live below the federal poverty level. Home values sit at a median of $161,500, with monthly rent averaging $863. The homeownership rate of 70.1% is higher than the national rate of 64.8%.
Educational attainment in Pettis County reflects 18.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.4 minutes each way.
Pettis County Population History (2010-2024)
The county of Pettis County had a population of 42,263 in 2010 and 43,791 in 2024, a 3.6% growth over 14 years. The peak was 43,791 in 2024. Average annual growth rate: 0.25%.
43,791
Population (2024)
42,263
Population (2010)
43,791
Peak (2024)
0.25%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 42,263 |
| 2011 | 42,147 |
| 2012 | 42,299 |
| 2013 | 42,197 |
| 2014 | 42,201 |
| 2015 | 42,303 |
| 2016 | 42,274 |
| 2017 | 42,477 |
| 2018 | 42,449 |
| 2019 | 42,417 |
| 2020 | 43,004 |
| 2021 | 43,220 |
| 2022 | 43,381 |
| 2023 | 43,591 |
| 2024 | 43,791 |
Race & Ethnicity
| White | 85.7% |
| Black or African American | 2.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Age & Sex
37.9
Median Age
49.8%
Female
50.2%
Male
17.1%
Age 65+
Age Distribution
Children (under 15): 20.9% · Seniors (65+): 17.1%
Income & Poverty
| Median household income | $60,232$-8,688 vs state |
| Mean household income | $78,089 |
| Per-capita income | $30,954 |
| Poverty rate | 8.4% |
| Unemployment rate | 2.5% |
| Employment-to-population | 60.2% |
Top Industries by Employment
The largest employment sector in Pettis County is professional & business services, accounting for 23.0% of workers.
How residents commute
0.2%
Drive alone
1.0%
Carpool
79.4%
Public transit
6.2%
Work from home
19.4 min
Avg commute
Housing
$161,500$-54,100 vs state
Median home value
$863
Median rent
70.1%
Homeownership rate
18,608
Total housing units
91.0%
Occupied
9.0%
Vacant
29.9%
Renter-occupied
Social & access
88.1%
With health insurance
93.1%
With broadband internet
24.1%
Foreign-born
9.4%
Veterans (18+)
17.3%
With a disability
88.1%
Speak language other than English at home
Education
87.2%
High School+
18.6%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Pettis County, Missouri has a population of 43,205 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 26th-largest county in Missouri. Population density is 63 people per square mile.
The population of Pettis County has grown 3.6% since 2010 (42,263 → 43,791), a +0.25% annualized rate.
The median household income in Pettis County, Missouri is $60,232, with mean (average) household income of $78,089 and per-capita income of $30,954. 8.4% of residents live below the federal poverty level.
In Pettis County, the largest racial and ethnic groups are White (85.7%), Black or African American (2.5%), Hispanic or Latino (1.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Pettis County, Missouri is 37.9 years. Residents are 49.8% female and 50.2% male.
The median home value in Pettis County is $161,500 and median monthly rent is $863. 70.1% of occupied housing units are owner-occupied. The county has 18,608 total housing units, 9.0% of which are vacant.
The largest employment sector in Pettis County, Missouri is professional, scientific, and management services, employing 23.0% of workers. The unemployment rate is 2.5%.
Kansas City is among the largest cities associated with Pettis County, Missouri, with a population of 508,233.
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Statewide data for Missouri
Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.