Preble County Population

1810–2026

40,610

2026 projection

1% since 2020 (decrease)

010K20K30K40K50K1850190019502000

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 Preble County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202640,610-540.13%
202540,664-540.13%
202440,718+1570.39%
202340,561+350.09%
202240,526-3450.84%
202140,871-1360.33%
202041,007+1590.39%
201940,848-1750.43%
201841,023-960.23%
201741,119-290.07%

Showing 10 of 36 years.

Preble County Demographics

43.3median age

Median age

Female44.2 yrs
Male42.3 yrs

Adults

31,722
8,298 seniors (65+) · 26% of adults23,424 other adults

Sex

Female 50.2% · 20,470Male 49.8% · 20,295

Population by age

MaleFemale85+ years, male: 31685+ years, female: 51080–84 years, male: 43780–84 years, female: 53175–79 years, male: 73075–79 years, female: 73770–74 years, male: 1,27170–74 years, female: 1,28265–69 years, male: 1,14165–69 years, female: 1,34360–64 years, male: 1,31960–64 years, female: 1,57955–59 years, male: 1,61055–59 years, female: 1,41850–54 years, male: 1,38650–54 years, female: 1,31145–49 years, male: 1,22045–49 years, female: 1,23540–44 years, male: 1,20940–44 years, female: 1,21435–39 years, male: 1,15335–39 years, female: 1,20430–34 years, male: 1,12630–34 years, female: 1,14525–29 years, male: 1,12825–29 years, female: 1,14720–24 years, male: 1,15220–24 years, female: 97515–19 years, male: 1,29615–19 years, female: 1,34710–14 years, male: 1,21710–14 years, female: 1,2255–9 years, male: 1,4505–9 years, female: 1,2310–4 years, male: 1,1340–4 years, female: 1,03685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 408 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

Preble County Income

$69,223median household income

Median household income

$69,223

Half of households earn more, half earn less

Median earnings

$46,977

Typical yearly pay for a worker 25 or older.

Poverty rate

12.6%

About 1 in 8 residents

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

Preble County Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%54%53%
Never married24%27%22%
Divorced13%13%13%
Widowed8%6%10%
Separated1%<1%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