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 2026 population of 22,275. Johnstown is currently growing at a rate of 3.81% annually and its population has increased by 28.26% since the most recent census, which recorded a population of 17,367 in 2020.

The median household income in Johnstown is $128,995 with a poverty rate of 3.67%. The median age in Johnstown is 34.9 years: 35 years for males, and 34.6 years for females. For every 100 females there are 116.3 males.

22.3K
Total Population
1,443
Density (mi²)
818 3.81%
Growth

Johnstown Population

Johnstown Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202622,2758183.81%
202521,4578183.96%
202420,6391,1255.77%
202319,5148964.81%
202218,6184052.22%
202118,2138464.87%
202017,367400.23%
201913,7501,0768.49%
201812,6743112.52%
201712,3631651.35%
201612,1982412.02%
201511,9572612.23%
201411,6962482.17%
201311,4481,23912.14%
201210,2091581.57%
201110,0511641.66%
20109,906440.45%
20003,82700%

Median Age

Overall: 34.9 years
Female: 34.6 years
Male: 35 years

Johnstown Adults

There are 13,994 adults, (1,752 of whom are seniors) in Johnstown.

Sex Ratio

Female: 8,730 (46.2%)
Male: 10,153 (53.8%)

Demographics

The racial composition of Johnstown includes 79.39% White, 6.99% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White14,99279.39%
Two or more races2,03810.79%
Other race1,3206.99%
Asian2741.45%
Black or African American1400.74%
Native American940.5%
Native Hawaiian or Pacific Islander250.13%
Race
Population ↓
Percentage (of total)
Two or more races1,3196.99%
Other race1,2226.47%
White1,1476.07%
Native American940.5%
Race
Population ↓
Percentage (of total)
White13,84573.32%
Two or more races7193.81%
Asian2741.45%
Black or African American1400.74%
Other race980.52%
Native Hawaiian or Pacific Islander250.13%

Johnstown Marital Status

Economics and Income Statistics

Johnstown 's average per capita income is $73,085. Household income levels show a median of $128,995. The poverty rate stands at 3.67%.

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$146,890-
Families$138,724$156,477
Households$128,995$139,019
Non Families$70,302$80,362

$73,085

Average Income

$128,995

Median Household Income

3.67%

Poverty Rate

Nearby Cities

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)