Franklin County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Missouri
The population of Franklin County, Missouri is 105,316 as of the 2023 American Community Survey, making it the 12th-largest county in Missouri. The median household income is $71,973, the median home value is $214,900, and the median age is 41.4.
The population of Franklin County has grown 5.8% since 2010 (101,424 → 107,256), a +0.40% annualized rate.
105,316
Population
+0.40%
Annual growth
114
People / sq mi
$71,973
Median Income
$214,900
Median Home Value
Franklin County covers 923 sq mi of land at 114.1 people per square mile.
About Franklin County, MO
Franklin County is a county in Missouri with a population of 105,316. It ranks #12 among counties in Missouri by population. The median age is 41.4, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Franklin County is $71,973, near the US median of $74,580. 5.4% of residents live below the federal poverty level. Home values sit at a median of $214,900, with monthly rent averaging $874. The homeownership rate of 76.4% is higher than the national rate of 64.8%.
Educational attainment in Franklin County reflects 23.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 28.3 minutes each way.
Franklin County Population History (2010-2024)
The county of Franklin County had a population of 101,424 in 2010 and 107,256 in 2024, a 5.8% growth over 14 years. The peak was 107,256 in 2024. Average annual growth rate: 0.40%.
107,256
Population (2024)
101,424
Population (2010)
107,256
Peak (2024)
0.40%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 101,424 |
| 2011 | 101,618 |
| 2012 | 101,331 |
| 2013 | 101,717 |
| 2014 | 101,923 |
| 2015 | 102,265 |
| 2016 | 102,758 |
| 2017 | 103,340 |
| 2018 | 103,716 |
| 2019 | 103,860 |
| 2020 | 104,867 |
| 2021 | 105,317 |
| 2022 | 105,865 |
| 2023 | 106,444 |
| 2024 | 107,256 |
Race & Ethnicity
| White | 89.8% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
41.4
Median Age
50.1%
Female
49.9%
Male
18.5%
Age 65+
Age Distribution
Children (under 15): 18.4% · Seniors (65+): 18.5%
Income & Poverty
| Median household income | $71,973+$3,053 vs state |
| Mean household income | $90,460 |
| Per-capita income | $36,524 |
| Poverty rate | 5.4%-3.0% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 59.5% |
Top Industries by Employment
The largest employment sector in Franklin County is manufacturing, accounting for 20.0% of workers.
How residents commute
0.1%
Drive alone
1.7%
Carpool
78.3%
Public transit
10.0%
Work from home
28.3 min
Avg commute
Housing
$214,900$-700 vs state
Median home value
$874
Median rent
76.4%
Homeownership rate
45,843
Total housing units
92.2%
Occupied
7.8%
Vacant
23.6%
Renter-occupied
Social & access
92.3%
With health insurance
94.3%
With broadband internet
19.7%
Foreign-born
8.0%
Veterans (18+)
13.9%
With a disability
98.2%
Speak language other than English at home
Education
91.0%
High School+
23.0%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Franklin County, Missouri has a population of 105,316 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Missouri. Population density is 114 people per square mile.
The population of Franklin County has grown 5.8% since 2010 (101,424 → 107,256), a +0.40% annualized rate.
The median household income in Franklin County, Missouri is $71,973, with mean (average) household income of $90,460 and per-capita income of $36,524. 5.4% of residents live below the federal poverty level.
In Franklin County, the largest racial and ethnic groups are White (89.8%), Hispanic or Latino (1.2%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Franklin County, Missouri is 41.4 years. Residents are 50.1% female and 49.9% male.
The median home value in Franklin County is $214,900 and median monthly rent is $874. 76.4% of occupied housing units are owner-occupied. The county has 45,843 total housing units, 7.8% of which are vacant.
The largest employment sector in Franklin County, Missouri is manufacturing, employing 20.0% of workers. The unemployment rate is 2.7%.
Kansas City is among the largest cities associated with Franklin 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.