Dearborn County Population

1810–2026

51,504

2026 projection

1.5% since 2020 (increase)

010K20K30K40K50K60K1850190019502000

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 Dearborn County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202651,504-1050.20%
202551,609-1050.20%
202451,714+1870.36%
202351,527+5491.08%
202250,978+1030.20%
202150,875+1210.24%
202050,754+1,1812.38%
201949,573+130.03%
201849,560-740.15%
201749,634+1660.34%

Showing 10 of 36 years.

Dearborn County Demographics

42.1median age

Median age

Female43.5 yrs
Male40.8 yrs

Adults

39,918
9,838 seniors (65+) · 25% of adults30,080 other adults

Sex

Female 49.7% · 25,413Male 50.3% · 25,681

Population by age

MaleFemale85+ years, male: 40385+ years, female: 66180–84 years, male: 47880–84 years, female: 53575–79 years, male: 75075–79 years, female: 91870–74 years, male: 1,44270–74 years, female: 1,43065–69 years, male: 1,52865–69 years, female: 1,69360–64 years, male: 1,81560–64 years, female: 1,79255–59 years, male: 2,01855–59 years, female: 1,98050–54 years, male: 1,79250–54 years, female: 1,72545–49 years, male: 1,60945–49 years, female: 1,50740–44 years, male: 1,20340–44 years, female: 1,31235–39 years, male: 1,87035–39 years, female: 1,76330–34 years, male: 1,45030–34 years, female: 1,54025–29 years, male: 1,46425–29 years, female: 1,27720–24 years, male: 1,47020–24 years, female: 1,33715–19 years, male: 1,79615–19 years, female: 1,59910–14 years, male: 1,47810–14 years, female: 1,5345–9 years, male: 1,6695–9 years, female: 1,4740–4 years, male: 1,4460–4 years, female: 1,33685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 511 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

Dearborn County Income

$84,735median household income

Median household income

$84,735

Half of households earn more, half earn less

Median earnings

$53,934

Typical yearly pay for a worker 25 or older.

Poverty rate

7.6%

About 1 in 13 residents

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

Dearborn County Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%57%56%
Never married24%28%21%
Divorced11%10%13%
Widowed7%4%10%
Separated<1%<1%<1%

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