Allen County, Kansas Demographics

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

Allen County, KS 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
  • D
    Income Well below average
    Less wealthy than 84% of counties in Kansas
  • D
    Education Well below average

Source: Map AI Methodology

Allen County
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Population density, people per sq mi

Population: density and quick facts

Metric Allen County Kansas Avg U.S. Average
Population 12,483 2,945,842 337,468,954
Population density (per sq mi) 24.7 35.8 86.4
Population growth (%/yr) -0.46% 0.19% 0.59%
Median age 42.8 38.7 37.3
Households 5,011 1,173,585 130,235,071

Population in Allen County declined by 6.9% from 2009 to 2024, reaching 12,483 in 2024.

Population Growth 2009–2024

Year Allen County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Allen County is Gen Z, aged 13–28, at 21.1% of residents. That is 1.8 points below Kansas 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 Kansas, 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 51.1% of the people living in Allen County and men 48.9%.

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12,483

100% of everyone living in Allen County

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Economy

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

Metric Allen County Kansas Avg U.S. Average
Median household income $61,115 $74,287 $80,455
Income growth (%/yr) 5.21% 4.08% 4.80%
Unemployment rate 7.9% 3.8% 5.2%

The median household income in Allen County is about 18% lower than in Kansas.

Detailed wealth and income breakdown →

Housing

Metric Allen County Kansas Avg U.S. Average
Median home price $110,892 $104,644 $248,835
Median rent $719 $1,060 $1,407
Homeownership rate 75.4% 67.1% 65.2%

The median home price in Allen County is about 12.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $719 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Allen County spend about 31 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 128 hours, about 5.3 full days, spent commuting.

Metric Allen County Kansas Avg U.S. Average
One-way commute (min) 15.4 17.2 22.4
Round-trip commute (min) 30.8 34.4 44.8
Yearly time spent (hours) 128 143 187
Estimated yearly cost $3,975 $4,448 $5,790
Work from home 6.9% 11.8% 15.0%
Highway traffic (vehicles/day) 1,020 4,500 8,813
Local road traffic (vehicles/day) 230 662 1,355

Fastest commutes among counties in Kansas: Wichita County (7.0 min), Scott County (7.1 min), Greeley County (7.2 min).
Slowest: Linn County (31.3 min), Miami County (30.8 min), Jefferson County (30.3 min).

The average commute time in Allen County is 15 minutes, shorter than the 17 minutes in Kansas.

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

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

Metric Allen County Kansas Avg U.S. Average
Bachelor's degree or higher 18.0% 31.5% 31.6%
Average household size 2.40 2.44 2.53

Highest education index among counties in Kansas: Johnson County (0.4), Douglas County (0.4), Riley County (0.3).
Lowest: Seward County (0.2), Grant County (0.2), Kearny County (0.2).

Health

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

Metric Allen County Kansas Avg U.S. Average
Life expectancy (years) 76.0 78.6 78.3
Self-rated poor health 16.0% 15.3% 16.3%
Smokers 20.2% 18.7% 19.0%

Highest health index among counties in Kansas: Johnson County (0.8), Riley County (0.8), Douglas County (0.8).
Lowest: Wyandotte County (0.8), Woodson County (0.8), Chautauqua County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Allen County, Kansas.

How many people live in Allen County, Kansas?

About 12,483 people live in Allen County, Kansas, in 5,011 households of 2.4 people on average. The median age is 42.8, so residents are older than the U.S. median of 37.3 by about 6 years.

Is Allen County, Kansas urban or rural?

Averaged over its land area, Allen County, Kansas has 25 people per square mile, a density typical of rural areas. That is about 29% of the U.S. average of 86.

How affordable is housing in Allen County, Kansas?

The median home costs 1.8 times the median household income ($110,892 against $61,115), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $719 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

How strong is the job market in Allen County, Kansas?

Unemployment in Allen County, Kansas is 7.9%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.

How common is a college degree in Allen County, Kansas?

18.0% of adults in Allen County, Kansas hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.

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