Defiance County Population

1850–2026

38,251

2026 projection

0% since 2020 (decrease)

010K20K30K40K186018801900192019401960198020002020

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 Defiance County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202638,251-410.11%
202538,292-410.11%
202438,333+320.08%
202338,301+1620.42%
202238,139-380.10%
202138,177-910.24%
202038,268+2900.76%
201937,978-680.18%
201838,046-1120.29%
201738,158-40.01%

Showing 10 of 32 years.

Defiance County Demographics

41.1median age

Median age

Female42.5 yrs
Male39.1 yrs

Adults

29,717
7,741 seniors (65+) · 26% of adults21,976 other adults

Sex

Female 49.3% · 18,900Male 50.7% · 19,443

Population by age

MaleFemale85+ years, male: 22985+ years, female: 49480–84 years, male: 34780–84 years, female: 44875–79 years, male: 81375–79 years, female: 89070–74 years, male: 78870–74 years, female: 94865–69 years, male: 1,42765–69 years, female: 1,35760–64 years, male: 1,18260–64 years, female: 1,47555–59 years, male: 1,16755–59 years, female: 1,01050–54 years, male: 1,09850–54 years, female: 1,12945–49 years, male: 1,18145–49 years, female: 1,04640–44 years, male: 1,30440–44 years, female: 1,26035–39 years, male: 1,16435–39 years, female: 1,19130–34 years, male: 1,32330–34 years, female: 1,08825–29 years, male: 1,07025–29 years, female: 97220–24 years, male: 1,07520–24 years, female: 1,14615–19 years, male: 1,46015–19 years, female: 1,19110–14 years, male: 1,34810–14 years, female: 1,0785–9 years, male: 1,1705–9 years, female: 1,2550–4 years, male: 1,2970–4 years, female: 92285+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 383 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

Defiance County Income

$73,064median household income

Median household income

$73,064

Half of households earn more, half earn less

Median earnings

$47,423

Typical yearly pay for a worker 25 or older.

Poverty rate

10.5%

About 1 in 10 residents

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

Defiance 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%52%54%
Never married29%35%23%
Divorced11%9%14%
Widowed5%3%8%
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