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
Remote work is unusually rare in Monroe County: 2.9% of workers primarily work from home, below the 14.0% national rate. Monroe County is a county in Missouri with a population of 8,672.
The typical household earns $48,299, below the US median of $78,538. Poverty runs at 8.2%, below the national 12.4%. Homes carry a median value of $147,400, with typical rent around $667.
Fewer adults hold degrees here than in most comparable places — 17.4%, below the national 35.0%. Remote work is rare here (2.9%, below the national 14.0%), and the average commute runs about 25 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.
Monroe County, MO Climate
Monroe County, MO has an average annual temperature of 11.8°C (53°F) and receives about 999 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.8°C
Avg Temp
999
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 26° | 38 mm |
| February | 0° / 31° | 39 mm |
| March | 6° / 42° | 80 mm |
| April | 12° / 54° | 94 mm |
| May | 17° / 63° | 119 mm |
| June | 23° / 73° | 110 mm |
| July | 25° / 77° | 106 mm |
| August | 24° / 75° | 95 mm |
| September | 20° / 67° | 103 mm |
| October | 13° / 56° | 83 mm |
| November | 6° / 43° | 73 mm |
| December | 0° / 31° | 59 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 Monroe County, MO
The most comfortable months to visit Monroe County, MO are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -8°C low). May is usually the wettest month.
Where to stay near Monroe County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.