Leavenworth County Population

1860–2026

84,836

2026 projection

3.5% since 2020 (increase)

020K40K60K80K100K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Leavenworth County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202684,836+2460.29%
202584,590+2460.29%
202484,344+7800.93%
202383,564+7420.90%
202282,822+4130.50%
202182,409+4350.53%
202081,974+630.08%
201981,911+2520.31%
201881,659+4000.49%
201781,259+8371.04%

Showing 10 of 31 years.

Leavenworth County Demographics

38median age

Median age

Female39.4 yrs
Male37.2 yrs

Adults

63,472
13,367 seniors (65+) · 21% of adults50,105 other adults

Sex

Female 46.4% · 38,593Male 53.6% · 44,530

Population by age

MaleFemale85+ years, male: 64285+ years, female: 67680–84 years, male: 63880–84 years, female: 1,03975–79 years, male: 99775–79 years, female: 1,24470–74 years, male: 1,47070–74 years, female: 1,55465–69 years, male: 2,48665–69 years, female: 2,62160–64 years, male: 2,48660–64 years, female: 2,45355–59 years, male: 2,64955–59 years, female: 2,54050–54 years, male: 2,92850–54 years, female: 2,36545–49 years, male: 3,00645–49 years, female: 2,22940–44 years, male: 2,90340–44 years, female: 2,07135–39 years, male: 3,81535–39 years, female: 3,38830–34 years, male: 3,27430–34 years, female: 2,56325–29 years, male: 2,87125–29 years, female: 2,06620–24 years, male: 2,81620–24 years, female: 1,84315–19 years, male: 2,78515–19 years, female: 2,36410–14 years, male: 2,86110–14 years, female: 2,7795–9 years, male: 3,1095–9 years, female: 2,5810–4 years, male: 2,7940–4 years, female: 2,21785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 831 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Leavenworth County Income

$89,218median household income

Median household income

$89,218

Half of households earn more, half earn less

Median earnings

$52,832

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Leavenworth County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%51%55%
Never married28%33%22%
Divorced12%12%13%
Widowed5%2%9%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year