Moniteau County, Missouri Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 66th-largest in Missouri

The population of Moniteau County, Missouri is 15,303 as of the 2023 American Community Survey, making it the 66th-largest county in Missouri. The median household income is $65,161, the median home value is $168,300, and the median age is 38.0.

The population of Moniteau County has declined 2.1% since 2010 (15,630 → 15,294), a -0.16% annualized rate.

Moniteau County within Missouri · Source: US Census TIGER/Line via us-atlas

15,303

Population

-0.16%

Annual growth

People / sq mi

$65,161

Median Income

$168,300

Median Home Value

Moniteau County covers 415 sq mi of land at 36.9 people per square mile.

About Moniteau County, MO

Moniteau County is distinguished by its share of foreign-born residents, 16.6% of the population. Moniteau County is a county in Missouri with a population of 15,303.

Household earnings are middling, with a median of $65,161 — below the US median of $78,538. Only 6.0% of residents live in poverty, below the national 12.4%. Homes carry a median value of $168,300, with typical rent around $766.

Degree attainment is on the lower side for US counties: 17.2% of adults hold a bachelor’s degree, below the national 35.0%. About 7.2% of the workforce is home-based, below the national 14.0%, and the average commute runs about 29 minutes each way.

Moniteau County Population History (2010-2024)

The county of Moniteau County had a population of 15,630 in 2010 and 15,294 in 2024, a -2.1% growth over 14 years. The peak was 16,118 in 2018. Average annual growth rate: -0.15%.

Moniteau County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

15,294

Population (2024)

15,630

Population (2010)

16,118

Peak (2018)

-0.15%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	15,630	-	-	estimate
2011	15,711	+81	+0.52%	estimate
2012	15,674	-37	-0.24%	estimate
2013	15,748	+74	+0.47%	estimate
2014	15,815	+67	+0.43%	estimate
2015	15,878	+63	+0.40%	estimate
2016	15,990	+112	+0.71%	estimate
2017	16,028	+38	+0.24%	estimate
2018	16,118	+90	+0.56%	estimate
2019	15,816	-302	-1.87%	estimate
2020	15,216	-600	-3.79%	estimate
2021	15,313	+97	+0.64%	estimate
2022	15,241	-72	-0.47%	estimate
2023	15,245	+4	+0.03%	estimate
2024	15,294	+49	+0.32%	estimate

Race & Ethnicity

White	91.1%
Black or African American	2.4%
Asian	0.0%
Hispanic or Latino (any race)	1.3%
Two or More Races	0.1%

Age & Sex

38.0

Median Age

48.3%

Female

51.7%

Male

16.3%

Age 65+

Age Distribution

Under 5

6.4%

5–9

6.5%

10–14

7.7%

15–19

6.7%

20–24

5.4%

25–34

12.1%

35–44

13.6%

45–54

12.6%

55–59

6.0%

60–64

6.6%

65–74

9.4%

75–84

4.4%

85+

2.5%

Children (under 15): 20.6% · Seniors (65+): 16.3%

Income & Poverty

Median household income	$65,161$-3,759 vs state
Mean household income	$78,901
Per-capita income	$29,379
Poverty rate	6.0%-2.4% vs state
Unemployment rate	1.5%
Employment-to-population	57.2%

Top Industries by Employment

Professional & business services

20.1%

Construction

13.6%

Manufacturing

11.8%

Public administration

9.9%

Information

6.3%

Education & health care

6.2%

Finance & real estate

5.8%

Agriculture

4.7%

The largest employment sector in Moniteau County is professional & business services, accounting for 20.1% of workers.

How residents commute

0.1%

Drive alone

2.0%

Carpool

76.3%

Public transit

7.2%

Work from home

29.0 min

Avg commute

Housing

$168,300$-47,300 vs state

Median home value

$766

Median rent

77.8%

Homeownership rate

6,177

Total housing units

93.5%

Occupied

6.5%

Vacant

22.2%

Renter-occupied

Social & access

83.9%

With health insurance

89.2%

With broadband internet

16.6%

Foreign-born

7.8%

Veterans (18+)

13.0%

With a disability

89.7%

Speak language other than English at home

Education

86.5%

High School+

17.2%

Bachelor's+

Largest cities in Missouri

Kansas City (508,233)St. Louis (293,109)Springfield (169,432)Columbia (127,200)Independence (121,944)Lee's Summit (102,583)O'Fallon (92,697)St. Joseph (71,542)St. Charles (71,048)Blue Springs (59,416)All Missouri cities →

Other counties in Missouri

St. Louis County (996,618)Jackson County (717,021)St. Charles County (409,830)Greene County (301,121)St. Louis city (293,109)Clay County (255,566)Jefferson County (228,227)Boone County (185,874)Jasper County (123,532)Cass County (109,393)All Missouri counties →

Part of Missouri

Missouri demographic profile All Missouri data →

Metro areas in Missouri

St. Louis (2,809,414)Kansas City (2,202,006)Springfield (481,671)Columbia (212,850)Joplin (202,258)Jefferson City (150,147)St. Joseph (120,609)Cape Girardeau (97,813)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Moniteau County, Missouri has a population of 15,303 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 66th-largest county in Missouri. Population density is 37 people per square mile.

The population of Moniteau County has declined 2.1% since 2010 (15,630 → 15,294), a -0.16% annualized rate.

The median household income in Moniteau County, Missouri is $65,161, with mean (average) household income of $78,901 and per-capita income of $29,379. 6.0% of residents live below the federal poverty level.

In Moniteau County, the largest racial and ethnic groups are White (91.1%), Black or African American (2.4%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Moniteau County, Missouri is 38.0 years. Residents are 48.3% female and 51.7% male.

The median home value in Moniteau County is $168,300 and median monthly rent is $766. 77.8% of occupied housing units are owner-occupied. The county has 6,177 total housing units, 6.5% of which are vacant.

The largest employment sector in Moniteau County, Missouri is professional, scientific, and management services, employing 20.1% of workers. The unemployment rate is 1.5%.

Kansas City is among the largest cities associated with Moniteau County, Missouri, with a population of 508,233.