City profile
Johnstown, CO
Broomfield County · Population 18,883
Johnstown is a town in Broomfield County, CO with about 18,883 residents and a typical home value near $540,000. It is 21 miles from Fort Collins, CO, which shapes its climate, healthcare access and amenities.
Climate
Climate type
mountain_alpine
Winter avg
31°F
Summer avg
71°F
Sunny days / yr
245
Home prices & cost of living
Median home price
$540,300
Typical monthly housing
$3,155
Cost of living (100 = U.S.)
109
Taxes
- Property tax
- 0.49%
- State income tax (top)
- 4.4%
- Social Security
- Taxed (with exemptions)
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 7.81%
FEMA natural hazard risk
Relatively Moderate · county score 89/100
Top hazards: Hail, Cold wave, Tornado
Nearest major airport
33 mi to Denver International Airport (DEN)
Political lean (2024 county vote)
Leans Democratic · 63% Democratic / 34% Republican
Community
Population
18,883
Black population
0.7%
County
Broomfield County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Home insurance premiums are rising quickly here
- ▸Home prices are softening in 2026 — more room to negotiate
- ▸Climate/cost risks to check: hail, wildfire
Highlights
- About 18,883 residents
- Typical home value about $540,000
- 21 miles from Fort Collins, CO
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.