Allen County Population

1830–2026

100.81K

2026 projection

1.3% since 2020 (decrease)

020K40K60K80K100K120K1850190019502000

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 Allen County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026100,810-710.07%
2025100,881-710.07%
2024100,952+1420.14%
2023100,810-1640.16%
2022100,974-7310.72%
2021101,705-4110.40%
2020102,116-3340.33%
2019102,450-2970.29%
2018102,747-4260.41%
2017103,173-5180.50%

Showing 10 of 34 years.

Allen County Demographics

39.7median age

Median age

Female41.4 yrs
Male38.1 yrs

Adults

77,512
19,375 seniors (65+) · 25% of adults58,137 other adults

Sex

Female 50.1% · 50,743Male 49.9% · 50,605

Population by age

MaleFemale85+ years, male: 61885+ years, female: 1,61280–84 years, male: 82780–84 years, female: 1,18375–79 years, male: 1,77875–79 years, female: 1,92470–74 years, male: 2,40470–74 years, female: 2,75965–69 years, male: 3,12965–69 years, female: 3,14160–64 years, male: 3,41360–64 years, female: 3,78055–59 years, male: 2,98755–59 years, female: 2,88350–54 years, male: 3,00550–54 years, female: 2,85445–49 years, male: 2,81845–49 years, female: 2,82040–44 years, male: 3,25140–44 years, female: 3,09035–39 years, male: 2,75735–39 years, female: 2,89630–34 years, male: 3,14330–34 years, female: 3,09725–29 years, male: 3,27325–29 years, female: 2,86320–24 years, male: 3,42520–24 years, female: 3,15015–19 years, male: 3,72215–19 years, female: 3,22210–14 years, male: 3,47710–14 years, female: 3,5285–9 years, male: 3,4715–9 years, female: 2,9250–4 years, male: 3,1070–4 years, female: 3,01685+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 1,013 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

Allen County Income

$64,038median household income

Median household income

$64,038

Half of households earn more, half earn less

Median earnings

$46,604

Typical yearly pay for a worker 25 or older.

Poverty rate

13.3%

About 1 in 8 residents

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

Allen County Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%47%45%
Never married32%36%28%
Divorced13%12%14%
Widowed7%3%10%
Separated2%2%3%

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