Johnstown Flag

Johnstown

County:
Weld County
County Seat:
No
Area (mi²):
15.437
State:
Colorado

Johnstown is a town located in Weld County, Colorado. Johnstown has a 2025 population of 20,939. Johnstown is currently growing at a rate of 3.53% annually and its population has increased by 20.55% since the most recent census, which recorded a population of 17,369 in 2020.

The average household income in Johnstown is $134,531 with a poverty rate of 2.21%.The median age in Johnstown is 34 years: 33.9 years for males, and 34 years for females.

20.9K
Total Population
1,356
Density (mi²)
714 3.53%
Growth

Johnstown Population

Johnstown Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Johnstown includes 80.67% White, 5.69% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White14,58180.67%
Two or more races2,07011.45%
Other race1,0285.69%
Asian1530.85%
Native American1280.71%
Black or African American840.46%
Native Hawaiian or Pacific Islander310.17%

Johnstown Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Johnstown's average per capita income is $70,943. Household income levels show a median of $130,851. The poverty rate stands at 2.21%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$151,201-
Families$143,026$153,910
Households$130,851$134,531
Non Families$64,560$74,153

$70,943

Average Income

$130,851

Median Household Income

2.21%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)