Brown County Population

1820–2026

277.36K

2026 projection

3.1% since 2020 (increase)

050K100K150K200K250K300K1850190019502000

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 Brown County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026277,355+1,5520.56%
2025275,803+1,5520.57%
2024274,251+2,0130.74%
2023272,238+1,5710.58%
2022270,667+1,6960.63%
2021268,971+190.01%
2020268,952+5,0531.91%
2019263,899+9140.35%
2018262,985+1,2710.49%
2017261,714+2,1260.82%

Showing 10 of 35 years.

Brown County Demographics

38.2median age

Median age

Female39.1 yrs
Male37.3 yrs

Adults

208,632
44,324 seniors (65+) · 21% of adults164,308 other adults

Sex

Female 50% · 135,558Male 50% · 135,334

Population by age

MaleFemale85+ years, male: 1,49285+ years, female: 2,87280–84 years, male: 2,35280–84 years, female: 2,96575–79 years, male: 3,44275–79 years, female: 3,97270–74 years, male: 5,99370–74 years, female: 6,37965–69 years, male: 7,08665–69 years, female: 7,77160–64 years, male: 8,38060–64 years, female: 8,40855–59 years, male: 9,17155–59 years, female: 9,47850–54 years, male: 8,19250–54 years, female: 8,03345–49 years, male: 8,07745–49 years, female: 7,66040–44 years, male: 8,66740–44 years, female: 8,30135–39 years, male: 9,67535–39 years, female: 9,27030–34 years, male: 9,29130–34 years, female: 8,73125–29 years, male: 9,16225–29 years, female: 8,78520–24 years, male: 8,86120–24 years, female: 8,85615–19 years, male: 9,41315–19 years, female: 9,15410–14 years, male: 9,51910–14 years, female: 8,9345–9 years, male: 8,6275–9 years, female: 8,3550–4 years, male: 7,9340–4 years, female: 7,63485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K

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 2,709 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

Brown County Income

$79,649median household income

Median household income

$79,649

Half of households earn more, half earn less

Median earnings

$52,733

Typical yearly pay for a worker 25 or older.

Poverty rate

9.1%

About 1 in 11 residents

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

Brown County Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%50%49%
Never married34%37%31%
Divorced11%10%12%
Widowed5%3%8%
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