Johnstown demographics profile

Population density (sq mi)1,0525091
Median age34.036.437.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)74%56%55%
Families w/ Kids under 1848%45%43%
Speak English88%83%79%
Speak Spanish10%12%13%
Johnstown, CO has a population of 14,379 and is the 2,928th largest city in the United States. The population density is 1,052 per sq mi which is 2012% higher than the Colorado average and 1061% higher than the national average. The median age in Johnstown is 34 which is approximately 7% lower than the Colorado average of 36. In Johnstown, 74% of the population over 15 years of age are married, 88% speak English and 10% speak Spanish. 52% of Johnstown residents were born in Colorado, 41% were born out of state, 0% were born outside of the United States and 6% were foreign born.
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Did you know?

  • The population density in Johnstown is 2012% higher than Colorado.
  • The median age in Johnstown is 7% lower than Colorado.
  • In Johnstown 92.20% of the population is White.
  • In Johnstown 0.15% of the population is Black or African American.
  • In Johnstown 0.80% of the population is Asian.

Compare Johnstown, CO Demographics To Other Cities

Johnstown population breakdown by race

Black or African American0.15%4.09%12.63%
American Indian0.63%0.94%0.82%
Native Hawaiian0.00%0.14%0.18%
Mixed race2.57%3.43%3.06%
Other race3.65%4.18%4.75%
In Johnstown, 16.4% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Johnstown age breakdown

Marital status

Age of children in married couples

Source: The Johnstown, CO demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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