Johnstown Population

1910–2026

23,265

2026 projection

34% since 2020 (increase)

05K10K15K20K25K192019401960198020002020

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 Johnstown. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202623,265+8323.71%
202522,433+1,7368.39%
202420,697+1,1645.96%
202319,533+9094.88%
202218,624+4132.27%
202118,211+8454.87%
202017,366+3,61626.30%
201913,750+1,0768.49%
201812,674+3112.52%
201712,363+1651.35%

Showing 10 of 27 years.

Johnstown Demographics

34.9median age

Median age

Female34.6 yrs
Male35 yrs

Adults

13,994
1,752 seniors · 13%12,242 other adults

Sex

Female 46.2% · 8,730Male 53.8% · 10,153

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 189 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

Johnstown Income

$128,995median household income

Median household income

$128,995

Half of households earn more, half earn less

Median earnings

$73,085

Typical yearly pay for a worker 25 or older.

Poverty rate

3.7%

About 1 in 27 residents

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

Johnstown Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%62%60%
Never married27%29%24%
Divorced7%6%9%
Widowed3%2%6%
Separated1%<1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201