Monroe County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 93rd-largest in Missouri
The population of Monroe County, Missouri is 8,672 as of the 2023 American Community Survey, making it the 93rd-largest county in Missouri. The median household income is $48,299, the median home value is $147,400, and the median age is 45.8.
The population of Monroe County has grown 1.2% since 2010 (8,787 → 8,890), a +0.08% annualized rate.
8,672
Population
+0.08%
Annual growth
13
People / sq mi
$48,299
Median Income
$147,400
Median Home Value
Monroe County covers 648 sq mi of land at 13.4 people per square mile.
About Monroe County, MO
Monroe County is a county in Missouri with a population of 8,672. It ranks #93 among counties in Missouri by population. The median age is 45.8, older than the national median. The population is 51.3% male and 48.7% female.
The median household income in Monroe County is $48,299, below the US median of $74,580. 8.2% of residents live below the federal poverty level. Home values sit at a median of $147,400, with monthly rent averaging $667. The homeownership rate of 75.0% is higher than the national rate of 64.8%.
Educational attainment in Monroe County reflects 17.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 2.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.0 minutes each way.
Monroe County Population History (2010-2024)
The county of Monroe County had a population of 8,787 in 2010 and 8,890 in 2024, a 1.2% growth over 14 years. The peak was 8,890 in 2024. Average annual growth rate: 0.09%.
8,890
Population (2024)
8,787
Population (2010)
8,890
Peak (2024)
0.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,787 |
| 2011 | 8,685 |
| 2012 | 8,691 |
| 2013 | 8,768 |
| 2014 | 8,735 |
| 2015 | 8,635 |
| 2016 | 8,629 |
| 2017 | 8,594 |
| 2018 | 8,630 |
| 2019 | 8,627 |
| 2020 | 8,693 |
| 2021 | 8,708 |
| 2022 | 8,650 |
| 2023 | 8,731 |
| 2024 | 8,890 |
Race & Ethnicity
| White | 92.9% |
| Black or African American | 4.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
45.8
Median Age
48.7%
Female
51.3%
Male
24.7%
Age 65+
Age Distribution
Children (under 15): 17.9% · Seniors (65+): 24.7%
Income & Poverty
| Median household income | $48,299$-20,621 vs state |
| Mean household income | $64,338 |
| Per-capita income | $27,776 |
| Poverty rate | 8.2%-0.2% vs state |
| Unemployment rate | 0.8% |
| Employment-to-population | 50.4% |
Top Industries by Employment
The largest employment sector in Monroe County is professional & business services, accounting for 21.6% of workers.
How residents commute
0.2%
Drive alone
5.7%
Carpool
81.6%
Public transit
2.9%
Work from home
25.0 min
Avg commute
Housing
$147,400$-68,200 vs state
Median home value
$667
Median rent
75.0%
Homeownership rate
4,476
Total housing units
77.3%
Occupied
22.7%
Vacant
25.0%
Renter-occupied
Social & access
88.5%
With health insurance
88.4%
With broadband internet
24.3%
Foreign-born
10.7%
Veterans (18+)
15.5%
With a disability
96.2%
Speak language other than English at home
Education
89.9%
High School+
17.4%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Monroe County, Missouri has a population of 8,672 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 93rd-largest county in Missouri. Population density is 13 people per square mile.
The population of Monroe County has grown 1.2% since 2010 (8,787 → 8,890), a +0.08% annualized rate.
The median household income in Monroe County, Missouri is $48,299, with mean (average) household income of $64,338 and per-capita income of $27,776. 8.2% of residents live below the federal poverty level.
In Monroe County, the largest racial and ethnic groups are White (92.9%), Black or African American (4.0%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Monroe County, Missouri is 45.8 years. Residents are 48.7% female and 51.3% male.
The median home value in Monroe County is $147,400 and median monthly rent is $667. 75.0% of occupied housing units are owner-occupied. The county has 4,476 total housing units, 22.7% of which are vacant.
The largest employment sector in Monroe County, Missouri is professional, scientific, and management services, employing 21.6% of workers. The unemployment rate is 0.8%.
Kansas City is among the largest cities associated with Monroe 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.