Warren County Population

1810–2026

41,380

2026 projection

7.1% since 2020 (decrease)

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 Warren County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202641,380-3790.91%
202541,759-3790.90%
202442,138-2410.57%
202342,379-3150.74%
202242,694-7601.75%
202143,454-1,0942.46%
202044,548-9292.04%
201945,477-6191.34%
201846,096-6211.33%
201746,717-3000.64%

Showing 10 of 36 years.

Warren County Demographics

40.8median age

Median age

Female41.6 yrs
Male39.1 yrs

Adults

32,905
8,155 seniors (65+) · 25% of adults24,750 other adults

Sex

Female 52% · 22,362Male 48% · 20,658

Population by age

MaleFemale85+ years, male: 22285+ years, female: 56880–84 years, male: 26980–84 years, female: 35075–79 years, male: 73075–79 years, female: 93570–74 years, male: 1,23370–74 years, female: 98165–69 years, male: 1,22665–69 years, female: 1,64160–64 years, male: 1,38360–64 years, female: 1,66655–59 years, male: 1,31255–59 years, female: 1,41250–54 years, male: 1,24850–54 years, female: 1,43745–49 years, male: 1,18845–49 years, female: 1,34540–44 years, male: 1,24940–44 years, female: 1,63335–39 years, male: 1,27235–39 years, female: 1,08830–34 years, male: 1,21930–34 years, female: 1,34425–29 years, male: 1,19425–29 years, female: 1,33720–24 years, male: 1,18620–24 years, female: 1,21515–19 years, male: 1,49915–19 years, female: 1,39810–14 years, male: 1,56110–14 years, female: 1,2765–9 years, male: 1,4035–9 years, female: 1,4540–4 years, male: 1,2640–4 years, female: 1,28285+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 430 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

Warren County Income

$59,401median household income

Median household income

$59,401

Half of households earn more, half earn less

Median earnings

$44,465

Typical yearly pay for a worker 25 or older.

Poverty rate

19.5%

About 1 in 5 residents

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

Warren County Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%43%41%
Never married37%38%37%
Divorced13%13%13%
Widowed6%4%8%
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