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 skews on age — the median resident is 37.9, younger than the national median. With 43,205 residents, Pettis County is a county in Missouri. It ranks #26 among counties in Missouri by population.
Median household income is $60,232, below the US median of $78,538. The poverty rate is 8.4%, below the national 12.4%. Homes carry a median value of $161,500, with typical rent around $863.
Roughly 18.6% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 6.2%, and the average commute runs about 19 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.
Pettis County, MO Climate
Pettis County, MO has an average annual temperature of 12.4°C (54°F) and receives about 1024 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.4°C
Avg Temp
1024
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 36 mm |
| February | 1° / 33° | 40 mm |
| March | 7° / 44° | 80 mm |
| April | 13° / 55° | 100 mm |
| May | 18° / 64° | 123 mm |
| June | 23° / 73° | 120 mm |
| July | 26° / 78° | 99 mm |
| August | 25° / 76° | 92 mm |
| September | 20° / 68° | 109 mm |
| October | 14° / 57° | 96 mm |
| November | 7° / 44° | 75 mm |
| December | 0° / 33° | 54 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 Pettis County, MO
The most comfortable months to visit Pettis 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 Pettis County
Visiting or relocating to Pettis County, MO? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Pettis County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Pettis County?
Get relocation and cost-of-living insights for Pettis County, MO by email. No spam, unsubscribe anytime.
More from Missouri
Population 996,618
Population 717,021
Population 409,830
Population 301,121
Full rankings of Missouri counties
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.