Linn County, Missouri Demographics

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

Linn 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.

  • C
    Health Below average
  • C
    Income Below average
    Wealthier than 75% of counties in Missouri
  • D
    Education Well below average

Source: Map AI Methodology

Linn County
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Population density, people per sq mi

Population: density and quick facts

Metric Linn County Missouri Avg U.S. Average
Population 11,852 6,186,340 337,468,954
Population density (per sq mi) 19.1 88.8 86.4
Population growth (%/yr) -0.48% 0.28% 0.59%
Median age 43.8 37.5 37.3
Households 4,801 2,507,647 130,235,071

Population in Linn County declined by 7.2% from 2009 to 2024, reaching 11,852 in 2024.

Population Growth 2009–2024

Year Linn County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Linn County is Boomers, aged 61–79, at 21.1% of residents. That is 3.2 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 51.6% of the people living in Linn County and men 48.4%.

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100% of everyone living in Linn County

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Economy

Linn County has a the economy index of C, which means it is somewhat prosperous.

Metric Linn County Missouri Avg U.S. Average
Median household income $62,318 $70,801 $80,455
Income growth (%/yr) 5.99% 4.56% 4.80%
Unemployment rate 3.1% 4.0% 5.2%

The median household income in Linn County is about 12% lower than in Missouri.

Detailed wealth and income breakdown →

Housing

Metric Linn County Missouri Avg U.S. Average
Median home price $65,211 $145,462 $248,835
Median rent $620 $1,033 $1,407
Homeownership rate 78.5% 68.1% 65.2%

The median home price in Linn County is about 8.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $620 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Linn County spend about 32 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 132 hours, about 5.5 full days, spent commuting.

Metric Linn County Missouri Avg U.S. Average
One-way commute (min) 15.8 21.0 22.4
Round-trip commute (min) 31.6 41.9 44.8
Yearly time spent (hours) 132 175 187
Estimated yearly cost $4,081 $5,415 $5,790
Work from home 9.1% 13.0% 15.0%
Highway traffic (vehicles/day) 2,462 7,545 8,813
Local road traffic (vehicles/day) 166 923 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 Linn County is 16 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

Linn County has a education index of D, which means it is barely educated.

Metric Linn County Missouri Avg U.S. Average
Bachelor's degree or higher 18.1% 28.8% 31.6%
Average household size 2.44 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

Linn County has a health index of C, which means it is somewhat healthy.

Metric Linn County Missouri Avg U.S. Average
Life expectancy (years) 76.5 76.9 78.3
Self-rated poor health 18.5% 19.0% 16.3%
Smokers 22.0% 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 Linn County, Missouri.

What is the population of Linn County, Missouri?

About 11,852 people live in Linn County, Missouri, in 4,801 households of 2.4 people on average. The median age is 43.8, so residents are older than the U.S. median of 37.3 by about 6 years.

How densely populated is Linn County, Missouri?

Averaged over its land area, Linn County, Missouri has 19 people per square mile, a density typical of rural areas. That is about 22% of the U.S. average of 86.

How affordable is housing in Linn County, Missouri?

The median home costs 1.0 times the median household income ($65,211 against $62,318), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $620 a month takes about 12% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is it hard to find a job in Linn County, Missouri?

Unemployment in Linn County, Missouri is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.

How educated are people in Linn County, Missouri?

18.1% of adults in Linn County, Missouri hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.

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