Colorado · Population 18,075 · Updated March 2026
How far your income goes in Johnstown
State-level tax rates that affect your costs
Johnstown has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 142 (where 100 equals the national median), Johnstown residents can expect to pay median rent of $1,767/month while earning a median household income of $130,851/year.
The median home value in Johnstown, CO is $493,500, with typical monthly owner costs around $2,145 including mortgage, insurance, and taxes. The median rent-to-income ratio of 16.2% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Colorado has a moderate income tax rate of 4.4%. Combined with a 2.9% sales tax rate and 0.51% effective property tax rate, the overall tax environment is a factor in the total cost of living in Johnstown.
Common questions about living costs in Johnstown