F
30%
Overall NAT. AVG.
5%
Groceries NAT. AVG.
81%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Thornton Colorado National
Cost of living130115100
Groceries105104100
Health care107107100
Housing181136100
Transportation110106100
Utilities108108100
Lifestyle & Entertainment112107100
Household Items106105100
Education & Childcare108111100
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An Overview of Cost of Living in Thornton, CO

Understanding the cost of living in Thornton can help future residents assess whether their current financial situation aligns with the expenses they will encounter. It enables them to plan for potential changes in their budget and lifestyle. The Thornton cost of living index is 130, which is 30% higher than the national average. The cost of living index is calculated by taking into account multiple categories, which encompass both the cost of everyday expenditures and larger expenses as well.

If you're in pursuit of an economical living environment, Thornton may not fit the bill, as it ranks among the most expensive places to reside in the United States. Just a minority of regions exhibit a cost of living that is more than 20% higher than the national average, and, unfortunately, Thornton falls within this bracket.

Housing costs make up a big chunk of the cost of living in Thornton, and they usually eat into a large part of your take-home pay. Unfortunately, in this area, both buying a home and renting one costs 80.8% more than the average city. This includes stuff like home prices, rent, mortgage rates, and insurance.

What Do Locals Say About the Cost of Living in Thornton?

Nobody knows their city better than the people who actually live there. So, we asked 9 local residents how they would rate the cost of living in Thornton and this is how they responded. 44% of people said that the cost of living was affordable, with prices decreasing, while 56% of people said that the cost of living was very expensive and prices continue to rise.

Is Thornton Affordable?

Is Thornton an affordable place to live? It's a good question and one that you might want to ask when considering any new city, as affordability can play a huge role in the decision making process. The cost of living index (which we covered above), as well as housing costs and income levels play a vital role in determining the affordability of an area. The median home price in Thornton is 90.5% higher than the national average, while the average monthly rent prices are 58.3% higher than average. The affordability of any location can also be influenced by median income levels. Thornton has a median household income of $117,910, which is 45% higher than the national average.

What Factors can Influence the Cost of Living in Thornton?

Utilities: Similar to the prices of any other goods or services, utility expenditures can exhibit substantial variability, influenced by factors such as climate, energy sources accessibility, geographical location and state regulations. Costs related to electricity, water, heating, and waste disposal can fluctuate, whether higher or lower, contingent on the city or state. In Thornton, the utilities index is 7.7% higher than the national average.

Urbanization: Urban areas with a wealth of amenities and employment opportunities tend to come with a higher price tag for living. Why? Well, more people want to be there, which drives up home prices and rents. On the flip side, less densely populated rural areas or places where there's not as much demand usually mean fewer attractions, things to do and slower job growth. That often results in a lower cost of living.

Subsidies: Some areas might offer government subsidies or assistance programs that help lower cost of living for residents. These programs can include anything from Medicare, Medicaid, housing subsidies, low-income home energy assistance programs, school lunch programs, supplemental nutrition assistance programs, student loans, electric vehicle tax credits, affordable care act subsidies and crop subsidies. Areas that offer less subsidies, could see an increase in their cost of living.

Where is the Data From?

The Thornton cost of living estimates above use a normalized U.S. average of 100 as the baseline for comparison. Housing values incorporate local home price and rental information from the U.S. Census, while all other estimates are AI-assisted and modeled using expected everyday expenses, local market trends, climate, and transportation-related cost pressures. The results are intended for practical city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Thornton is 13% higher than the Colorado average
  • The cost of living in Thornton is 30% higher than the national average
  • Thornton housing is 81% higher than the national average
  • Colorado general sales tax is 43% lower than the national average
  • Colorado state income tax is 69% higher than the national average

Most Affordable Places to Live in and Around Thornton

See all the best places to live around Thornton

Compare Thornton, CO Cost of Living

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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$138,064$11,505$3,221$4,142
      Renters$85,212$7,101$1,988$2,557
      A good indicator of the general affordability of housing in Thornton, CO, is the percentage of monthly income that should be spent on housing expenses, otherwise known as the debt-to-income ratio (DTI). Generally speaking, no more than 28 percent of your total gross income should be spent on your housing expenses and not more than 36 percent of your gross income on total expenses, including debts. In Thornton, the median monthly income is $138,064 for those who own their own homes. Under the standard rule, that income level would allow for $3,221 to be budgeted for housing expenses each month, at the most. Renters, on the other hand, earn about $85,212, per the median income in the area. That would allow for renters to spend up to $1,988 on monthly rental expenses.

      Colorado Sales Tax

      State General Sales Tax With Max Surtax
      Colorado 2.9% 10%

      Colorado Income Tax

      State Income Tax (Low) Income Tax (High)
      Colorado 4.4% 4.4%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Leyner, CO01098.9%
      Glendale CDP, CO801099.1%
      Eldorado Springs, CO3321098.9%
      Lakeside, CO69010.0%
      Federal Heights, CO14,024955.1%
      Thornton, CO147,63313029.6%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Guelph, ON147,931n/a 
      Mesquite, TX148,020981.8%
      McAllen, TX146,651937.2%
      Pasadena, CA146,62819797.1%
      Savannah, GA148,994991.2%
      Thornton, CO147,63313029.6%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.