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Cost of Living: Dallas, TX vs Thornton, CO

Wondering how far your dollar stretches in Dallas compared to Thornton? Below we break down housing costs, rent, taxes, income, and quality of life using 2026 data so you can make an informed relocation or remote-work decision. Every number is computed from Census, BLS, and Zillow data specific to these two metro areas.

TL;DR

Dallas cost-of-living index is 105 vs 108 for Thornton (US = 100). Median home: $370,000 vs $465,000. Median rent: $1,275/mo vs $1,700/mo.

Source: Census ACS · Zillow ZHVI/ZORI · BEA RPP, 2026

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Thornton is 2.9% more expensive than Dallas
COL Index: Dallas 105 vs Thornton 108 (national avg = 100)
Written by Jere Salmisto, Founder & Quantitative Systems Builder, CalcFi·Reviewed by CalcFi Editorial·Last reviewed 2026-04-19

Dallas vs Thornton — At a Glance

DallasMetricThorntonDifference
105Cost of Living Index108+2.9%
$370,000Median Home Price$465,000+25.7%
$1,275Median Monthly Rent$1,700+33.3%
$69,400Median Household Income$80,200+15.6%
1.8%Property Tax Rate0.6%-66.7%
3.8%Unemployment Rate3.5%-7.9%
28 minAverage Commute29 min+3.6%
34.8Median Age33.5-3.7%
7,760,000Metro Population148,000-98.1%

Data sourced from Census Bureau, BLS, Zillow, and ApartmentAdvisor (2024-2025). COL Index: 100 = national average.

Housing Comparison: Dallas vs Thornton

Monthly mortgage assumes 6.5% interest, 30-year fixed, 20.0%down payment. PITI includes principal, interest, property tax, and homeowner's insurance.

Dallas

Median Home Price$370,000
Down Payment (20.0%)$74,000
Loan Amount$296,000
Principal & Interest$1,871/mo
Property Tax$555/mo
Insurance$108/mo
Monthly PITI$2,534/mo

Thornton

Median Home Price$465,000
Down Payment (20.0%)$93,000
Loan Amount$372,000
Principal & Interest$2,351/mo
Property Tax$233/mo
Insurance$136/mo
Monthly PITI$2,719/mo

Rent & Affordability Ratios

Median Monthly Rent$1,275 vs $1,700 (+$425/mo)
Annual Rent Difference$5,100/yr more in Thornton
Home Price-to-Income Ratio5.3x (Dallas) vs 5.8x (Thornton)
Years to Save 20% Down (15% savings rate)7.1 yrs (Dallas) vs 7.7 yrs (Thornton)

Buying a home in Dallas costs $2,534/month (PITI) compared to $2,719/month in Thornton — a difference of $185/month or $2,220/year. The price-to-income ratio is 5.3x in Dallas versus 5.8x in Thornton, suggesting Dallas is relatively more affordable for homebuyers relative to local incomes. At a 15% savings rate, it takes 7.1 years to save a down payment in Dallas compared to 7.7 years in Thornton.

Tax Comparison: Dallas vs Thornton

Estimated on each city's median household income, single filer, standard deduction, 2025 rates.

Tax CategoryDallasThornton
Gross Income$69,400$80,200
State Income TaxNone$2,869
Federal Income Tax$6,717$9,093
FICA (SS + Medicare)$5,309$6,135
Property Tax (on median home)$6,660/yr$2,790/yr
State Sales Tax Rate6.3%2.9%
Total Tax Burden$12,026 (17.3%)$18,097 (22.6%)
Take-Home Pay$57,374$62,103

Texas has no state income tax, giving Dallas residents a significant tax advantage. On median household income, total taxes (federal + state + FICA) come to $12,026 in Dallas (17.3% effective) versus $18,097 in Thornton (22.6% effective). After taxes, take-home pay is $57,374 in Dallas and $62,103 in Thornton. Property taxes add $6,660/year on the median Dallas home versus $2,790/year in Thornton.

Salary Equivalence: What Your Income Is Worth

A $69,400 salary in Dallas equals
$71,383
in Thornton
A $80,200 salary in Thornton equals
$77,972
in Dallas

These figures adjust for cost of living using the formula: adjusted = salary × (COL_destination / COL_origin). If you earn $69,400 in Dallas (COL 105) and relocate to Thornton (COL 108), you would need $71,383 to maintain the same purchasing power. This means you would need a raise of $1,983 to maintain the same standard of living in Thornton.

Quality of Life: Dallas vs Thornton

Average Commute
28 min
Dallas
29 min
Thornton
1 min shorter in Dallas
Unemployment Rate
3.8%
Dallas
3.5%
Thornton
Thornton lower
Metro Population
7.8M
Dallas
0.1M
Thornton
Dallas is 52.4x larger

Beyond costs, quality of life matters. The average commute in Dallas is 28 minutes versus 29 minutes in Thornton, a difference of 1 minutes each way. Thornton's lower unemployment rate of 3.5% versus 3.8% suggests a stronger job market. Dallas skews slightly older with a median age of 34.8 vs 33.5 in Thornton.

Other Cost of Living Comparisons

Dallas vs New YorkCOL 105 vs 187Dallas vs Los AngelesCOL 105 vs 173Chicago vs DallasCOL 114 vs 105New York vs ThorntonCOL 187 vs 108Los Angeles vs ThorntonCOL 173 vs 108Chicago vs ThorntonCOL 114 vs 108

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Frequently Asked Questions

Is Dallas or Thornton more expensive?

Thornton is 2.9% more expensive than Dallas overall. Thornton has a cost of living index of 108 compared to 105 for Dallas (national average = 100). The biggest difference is housing: the median home costs $465,000 in Thornton vs $370,000 in Dallas.

How much more does housing cost in Thornton vs Dallas?

The median home price in Thornton is $465,000, which is $95,000 more than Dallas's median of $370,000. Monthly rent follows a similar pattern: $1,700/month in Thornton vs $1,275/month in Dallas, a difference of $425/month or $5,100/year.

What salary do I need in Thornton to match my Dallas income?

To maintain the same standard of living, a $69,400 salary in Dallas is equivalent to $71,383 in Thornton. This is based on the cost of living index ratio: Dallas's COL index of 105 vs Thornton's 108. Conversely, $80,200 in Thornton equals $77,972 in Dallas.

Which city has lower taxes, Dallas or Thornton?

On a median household income, the combined federal, state, and FICA tax burden is $12,026 (17.3% effective rate) in Dallas vs $18,097 (22.6% effective rate) in Thornton. Property taxes on the median home are $6,660/year in Dallas (1.8% rate) vs $2,790/year in Thornton (0.6% rate). Sales tax rates are 6.3% in Texas and 2.9% in Colorado.

What is the median household income in Dallas and Thornton?

Dallas median household income: $69,400/yr. Thornton median household income: $80,200/yr (Census ACS).

How does rent compare in Dallas vs Thornton?

Median monthly rent: $1,275 in Dallas vs $1,700 in Thornton. Annualized that is $15,300 vs $20,400.

Which city is better for remote workers, Dallas or Thornton?

Dallas offers a lower cost of living (index 105 vs 108), which lets remote-workers keeping a coastal salary stretch further. Thornton typically wins on amenities and labor-market depth.

Where does the data on this comparison come from?

Dallas and Thornton numbers are pulled from Zillow ZHVI/ZORI (home values, rent), the U.S. Census Bureau ACS (income, demographics), and BEA RPP (cost-of-living index). Each value is timestamped on the page.

How often is this Dallas vs Thornton comparison updated?

Source feeds (Zillow, Freddie Mac PMMS, Census ACS, BEA RPP) are refreshed on their native cadence. Page caches revalidate every 24 hours via Next.js ISR.

Does this comparison replace tax or financial advice?

No. The Dallas vs Thornton cost-of-living page is educational reference using public data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for material decisions.

Explore More

All City ComparisonsDallas COL CalculatorThornton COL CalculatorSalary GuidesMortgage Affordability CalculatorRent vs Buy Calculator

Sources & Citations

  1. Zillow Research — ZHVI (home values) & ZORI (observed rent index) — zillow.com/research/data
  2. U.S. Census Bureau — American Community Survey (ACS) 5-year estimates — census.gov/acs
  3. Bureau of Economic Analysis — Regional Price Parities by state and MSA — bea.gov/rpp
  4. Tax Foundation — effective state and local tax rates — taxfoundation.org
  5. Freddie Mac PMMS — weekly national average mortgage rates — freddiemac.com/pmms
  6. Internal Revenue Service — federal income tax brackets and standard deduction — irs.gov
  7. U.S. Bureau of Labor Statistics — unemployment and wage statistics — bls.gov
Methodology & Assumptions

Home prices use Zillow Home Value Index (ZHVI)[1]; rents use Zillow Observed Rent Index (ZORI)[1]. Median household income comes from the Census ACS 5-year estimates[2].

COL indices use the BEA Regional Price Parity methodology[3], normalized so 100 = national average.

Property tax rates are effective rates from the Tax Foundation[4], expressed as % of owner-occupied home value. Mortgage estimates assume 6.5% fixed rate[5], 30-year term, 20.0% down, $1,800/yr homeowners insurance.

Federal tax calculations[6] assume single filer, standard deduction. State tax uses the top marginal rate times taxable income after the state standard deduction. FICA = 6.2% Social Security (up to wage base) + 1.45% Medicare.

Salary equivalence uses adjusted = salary × (COL_destination / COL_origin). This captures cost-of-living shift but not state income tax differences.

Unemployment figures are the most recent monthly MSA-level readings from the BLS LAUS series[7].

Last reviewed is computed from the maximum retrievedAt across every source this page consumes.

City data from Census Bureau[2], BLS[7], and Zillow[1] (2024-2025). Tax calculations use 2025 IRS rates[6], single filer, standard deduction. Mortgage estimates assume 6.5% PMMS rate[5], 30-year term, 20.0% down. COL Index: 100 = national average[3]. Last reviewed 2026-04-19.