Cost of Living in Thornton
I-25 corridor hub — big city services, suburban price
Housing
Housing Market
- Median Home Price
- $500K–$527K
- Price per Sq Ft
- ~$255/sqft
- Data Year
- 2026
Taxes
Tax Rates
- Property Tax Rate
- ~0.52% effective (Adams County)
- Sales Tax Rate
- 8.5% (City 3.75% + State 2.90% + Adams County 0.75% + RTD 1.10%)
- Vehicle Registration
- Standard Colorado
- State Income Tax Impact
- 4.4% flat
- Cost of Living vs National
- ~21% above national average
Income
Income & Cost Context
- Median Household Income
- $95,064
- Cost of Living Index
- 121.3 (21% above national average)
- Avg Childcare Cost
- $947–$1,400
Common Questions
FAQ — Thornton
What is the median home price in Thornton?
The median home price in Thornton is $500K–$527K as of 2026 (Redfin ~$527K, Zillow ~$498K), at roughly $255 per square foot. Thornton is Colorado’s 6th-largest city by population and offers some of the most competitive pricing among north metro suburbs.
What is the cost of living in Thornton?
Thornton’s cost of living index is 121.3, about 21% above the national average. The effective property tax rate is approximately 0.52% in Adams County. The combined sales tax rate is 8.5%. Colorado’s state income tax is a flat 4.4%. The median household income is $95,064.