Johnstown, Colorado Demographics & Population 2026
During the 2020–2024 ACS period, Johnstown, Colorado had a total population of 18,883, the 43rd largest town in Colorado, with a median household income of $128,995, which is 35% higher than the state average. The poverty rate is 3.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% above the state average — one of the wealthiest communities in Colorado.
- An exceptionally low poverty rate of 3.7% — among the lowest in Colorado.
Johnstown Quick Facts
How Johnstown Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 18,075 | 18,883 | +4.5% |
| Median household income | $130,851 | $128,995 | -1.4% |
| Median home value | $493,500 | $540,300 | +9.5% |
How Johnstown Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 52 | National average: 61
Education
Educational Attainment (Adults 25+)
Johnstown Rankings in Colorado
Explore Colorado Rankings
Other Cities in Larimer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Fort Collins | 170,229 | $85,070 | 15.8% | $577,900 |
| Loveland | 78,410 | $84,604 | 8.5% | $479,000 |
| Windsor | 37,914 | $127,028 | 6.0% | $604,000 |
| Berthoud | 12,411 | $119,385 | 4.6% | $533,500 |
| Wellington | 11,798 | $107,017 | 8.8% | $464,200 |
| Timnath | 8,941 | $178,257 | 4.4% | $730,100 |
| Estes Park | 5,844 | $85,956 | 8.0% | $664,200 |
| Laporte | 1,771 | $87,313 | 10.6% | $452,600 |
| Red Feather Lakes | 365 | $138,696 | 7.7% | $356,900 |
Cities Similar to Johnstown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Firestone | 18,049 | $120,150 | $560,100 | 37.9% | 4.6% |
| Frederick | 16,651 | $129,460 | $568,300 | 38.5% | 3.3% |
| Louisville | 20,786 | $147,319 | $883,900 | 69.9% | 4.5% |
| Golden | 20,417 | $98,582 | $837,700 | 59.1% | 12.6% |
| Black Forest | 15,738 | $145,460 | $856,200 | 56.5% | 5.0% |
Population Overview
Johnstown is a small city located in Colorado, within Larimer County. The total population is 18,883. It ranks as the 43rd most populous out of 472 Census-designated places in Colorado.
Age Demographics
The median age in Johnstown is 34.9 years. This is 7% lower than the state median of 37.7 years.
Economy, Income & Housing
The median household income in Johnstown is $128,995. This is 35% higher than the state median of $95,470. It is also 60% higher than the national median of $80,734. The poverty rate stands at 3.7%. This is 61% lower than the state poverty rate of 9.4%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.2%. This is 10% lower than the state rate of 4.6%. The median home value is $540,300. Housing costs are about the same as the state median of $539,400. The home-value-to-income ratio is 4.2x. 77.9% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 66.2%.
Race & Ethnicity
The largest racial or ethnic group in Johnstown is White (non-Hispanic), making up 73.3% of the population. Hispanic or Latino residents account for 20.0%. The Black or African American population (0.7%) is well below the state average of 3.8%. The Asian population (1.5%) is well below the state average of 3.2%.
Education
38.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%.
Data Sources & Methodology
All demographic data for Johnstown, Colorado is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Colorado state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 472 Census-designated places in Colorado. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Johnstown, Colorado?
Johnstown, Colorado has a population of 18,883 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Johnstown, CO?
The median household income in Johnstown is $128,995, which is 60% higher than the national median of $80,734.
What is the poverty rate in Johnstown, CO?
The poverty rate in Johnstown is 3.7%. This means approximately 692 residents live below the federal poverty line.
What is the racial makeup of Johnstown, Colorado?
Johnstown's population is 73.3% White, 0.7% Black, 20.0% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Johnstown, CO?
The median home value in Johnstown is $540,300. The home-value-to-income ratio is 4.2x.
How educated is Johnstown, Colorado?
38.5% of adults (25+) in Johnstown hold a bachelor's degree or higher, and 13.2% hold a graduate or professional degree.