Blair County Population

1850–2026

119.03K

2026 projection

3% since 2020 (decrease)

050K100K150K200K186018801900192019401960198020002020

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 Blair County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026119,031-5100.43%
2025119,541-5100.42%
2024120,051-3090.26%
2023120,360-4140.34%
2022120,774-1,3731.12%
2021122,147-5200.42%
2020122,667+7250.59%
2019121,942-6250.51%
2018122,567-6060.49%
2017123,173-6060.49%

Showing 10 of 32 years.

Blair County Demographics

43.1median age

Median age

Female44.6 yrs
Male41.6 yrs

Adults

96,861
26,068 seniors (65+) · 27% of adults70,793 other adults

Sex

Female 50.7% · 61,443Male 49.3% · 59,834

Population by age

MaleFemale85+ years, male: 1,12885+ years, female: 2,24180–84 years, male: 89580–84 years, female: 1,84175–79 years, male: 2,27475–79 years, female: 2,46570–74 years, male: 3,49770–74 years, female: 3,94865–69 years, male: 3,72265–69 years, female: 4,05760–64 years, male: 4,93160–64 years, female: 4,65455–59 years, male: 3,50155–59 years, female: 3,98950–54 years, male: 3,87550–54 years, female: 3,79545–49 years, male: 3,51445–49 years, female: 3,39340–44 years, male: 3,73140–44 years, female: 3,59035–39 years, male: 3,53135–39 years, female: 3,64530–34 years, male: 4,01730–34 years, female: 3,77725–29 years, male: 3,48525–29 years, female: 3,29020–24 years, male: 3,22420–24 years, female: 3,05915–19 years, male: 4,25915–19 years, female: 3,91710–14 years, male: 3,89710–14 years, female: 3,4515–9 years, male: 3,2705–9 years, female: 3,4030–4 years, male: 3,0830–4 years, female: 2,92885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

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 1,213 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

Blair County Income

$62,382median household income

Median household income

$62,382

Half of households earn more, half earn less

Median earnings

$44,667

Typical yearly pay for a worker 25 or older.

Poverty rate

12%

About 1 in 8 residents

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

Blair County Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%49%46%
Never married31%34%28%
Divorced12%11%13%
Widowed8%4%12%
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