Adair County, Missouri Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Adair County, MO Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
    Healthier than 87% of counties in Missouri
  • D
    Income Well below average
    Less wealthy than 90% of counties in Missouri
  • C
    Education Below average
    Better educated than 91% of counties in Missouri

Source: Map AI Methodology

Adair County
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Population density, people per sq mi

Population: density and quick facts

Metric Adair County Missouri Avg U.S. Average
Population 25,301 6,186,340 337,468,954
Population density (per sq mi) 44.5 88.8 86.4
Population growth (%/yr) -0.12% 0.28% 0.59%
Median age 30.2 37.5 37.3
Households 9,126 2,507,647 130,235,071

Population in Adair County grew by 2.0% from 2009 to 2024, reaching 25,301 in 2024.

Population Growth 2009–2024

Year Adair County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Adair County is Gen Z, aged 13–28, at 36.1% of residents. That is 14.9 points above Missouri as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Missouri, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 52.0% of the people living in Adair County and men 48.0%.

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Economy

Adair County has a the economy index of D, which means it is barely prosperous.

Metric Adair County Missouri Avg U.S. Average
Median household income $61,312 $70,801 $80,455
Income growth (%/yr) 6.30% 4.56% 4.80%
Unemployment rate 4.1% 4.0% 5.2%

The median household income in Adair County is about 13% lower than in Missouri.

Detailed wealth and income breakdown →

Housing

Metric Adair County Missouri Avg U.S. Average
Median home price $97,387 $145,462 $248,835
Median rent $772 $1,033 $1,407
Homeownership rate 61.0% 68.1% 65.2%

The median home price in Adair County is about 10.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $772 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Adair County spend about 24 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 100 hours, about 4.2 full days, spent commuting.

Metric Adair County Missouri Avg U.S. Average
One-way commute (min) 12.0 21.0 22.4
Round-trip commute (min) 23.9 41.9 44.8
Yearly time spent (hours) 100 175 187
Estimated yearly cost $3,092 $5,415 $5,790
Work from home 8.0% 13.0% 15.0%
Highway traffic (vehicles/day) 1,927 7,545 8,813
Local road traffic (vehicles/day) 234 923 1,355

Fastest commutes among counties in Missouri: Saline County (11.9 min), Adair County (12.0 min), Nodaway County (12.1 min).
Slowest: Bollinger County (33.1 min), Ray County (32.2 min), Maries County (31.9 min).

The average commute time in Adair County is 12 minutes, shorter than the 21 minutes in Missouri.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Adair County has a education index of C, which means it is somewhat educated.

Metric Adair County Missouri Avg U.S. Average
Bachelor's degree or higher 25.6% 28.8% 31.6%
Average household size 2.56 2.40 2.53

Highest education index among counties in Missouri: St. Louis County (0.4), Platte County (0.4), Boone County (0.4).
Lowest: Bollinger County (0.2), Wayne County (0.2), Ripley County (0.2).

Health

Adair County has a health index of B, which means it is quite healthy.

Metric Adair County Missouri Avg U.S. Average
Life expectancy (years) 77.7 76.9 78.3
Self-rated poor health 17.5% 19.0% 16.3%
Smokers 20.8% 22.8% 19.0%

Highest health index among counties in Missouri: St. Charles County (0.8), Platte County (0.8), Boone County (0.8).
Lowest: Scotland County (0.7), Ripley County (0.7), Pemiscot County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Adair County, Missouri.

How big is Adair County, Missouri by population?

About 25,301 people live in Adair County, Missouri, in 9,126 households of 2.6 people on average. The median age is 30.2, so residents are younger than the U.S. median of 37.3 by about 7 years.

How densely populated is Adair County, Missouri?

Averaged over its land area, Adair County, Missouri has 44 people per square mile, a density typical of rural areas. That is about 51% of the U.S. average of 86.

Is Adair County, Missouri an affordable place to live?

The median home costs 1.6 times the median household income ($97,387 against $61,312), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $772 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

How strong is the job market in Adair County, Missouri?

Unemployment in Adair County, Missouri is only 4.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.

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