Taxes in Thornton, Colorado
Complete tax guide for Thornton, CO. State income tax up to 4.4%, 0.48% property tax, 8.5% sales tax. Calculate your total tax burden.
State Income Tax
4.4%
Colorado
Property Tax
0.48%
Effective rate
Sales Tax
8.5%
Combined rate
Tax Burden
Moderate
Thornton, CO Tax Overview
Population
141,867
Median Income
$74,218
Cost of Living
106.8 (100 = avg)
State Income Tax
4.4%
Median Home Price
$440,000
Thornton Tax Calculator
Pre-filled with Thornton median: $74,218
Total Tax Burden in Thornton
$16,885
Take-Home: $57,333 · Effective Rate: 22.75%
Federal Tax
$7,942
10.70% eff.
CO State
$3,266
4.40% eff.
FICA
$5,678
7.65% eff.
Take-Home
$57,333
77.25% kept
Tax Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $74,218.00 | $6,184.83 |
| Federal Income Tax | -$7,941.96 | -$661.83 |
| Colorado State Tax | -$3,265.59 | -$272.13 |
| Social Security (6.2%) | -$4,601.52 | -$383.46 |
| Medicare (1.45%) | -$1,076.16 | -$89.68 |
| Take-Home Pay | $57,332.77 | $4,777.73 |
Property Tax in Thornton
Median Home
$440,000
Annual Tax
$2,112
Monthly Tax
$176
Effective Rate
0.48%
Sales Tax in Thornton
Combined Rate
8.5%
State Portion
~6.0%
Local Portion
~2.5%
The combined sales tax rate in Thornton is 8.5%, which is above the national average of 7.12%. On a $100 purchase, you would pay $8.50 in sales tax.
Tax Burden Comparison
| Tax Type | Thornton | Colorado Avg | National Avg |
|---|---|---|---|
| Income Tax | 4.4% | 4.4% | 4.6% |
| Property Tax | 0.48% | ~0.48% | 1.1% |
| Sales Tax | 8.5% | ~8.5% | 7.12% |
| Overall Burden | Moderate | — | Moderate |
Tax Saving Tips for Thornton Residents
- Colorado's income tax rate of 4.4% is competitive. You may still benefit from maximizing 401(k) contributions ($23,500 limit) to reduce your taxable income at both state and federal levels.
- Property tax in Thornton (0.48%) is below the national average of 1.1%. This makes homeownership more affordable here relative to property tax burden.
- The combined sales tax rate of 8.5% is relatively high. Consider making large purchases in lower-tax jurisdictions or online retailers that do not charge local tax rates.
- Use a Health Savings Account (HSA) if eligible. Contributions are tax-deductible ($4,300 individual, $8,550 family), growth is tax-free, and withdrawals for medical expenses are tax-free.
Other Cities in Colorado
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HighCalculate Your Full Colorado Tax Burden
See detailed state tax brackets, FICA breakdown, and compare to neighboring states.
Frequently Asked Questions
What are the tax rates in Thornton, CO?
Thornton, Colorado has a state income tax rate up to 4.4%. The property tax rate is 0.48% and the combined sales tax rate is 8.5%.
How much is property tax in Thornton?
The effective property tax rate in Thornton is 0.48%. On the median home price of $440,000, this equals approximately $2,112 per year or $176 per month. This is below the national average of 1.1%.
What is the sales tax rate in Thornton?
The combined sales tax rate in Thornton is 8.5%, which includes both state and local components. This is above the national average combined rate of approximately 7.12%.
How does Thornton's tax burden compare to other cities?
Thornton has a moderate overall tax burden. The effective total tax rate for a median-income household is approximately 27.4%. The combination of 4.4% state income tax, 0.48% property tax, and 8.5% sales tax determines the total burden. Cost of living index is 106.8 (100 = national average).
Are there any local taxes in Thornton?
Thornton does not impose a separate local or city income tax. Residents pay the state income tax of 4.4%, federal income tax, and FICA (Social Security and Medicare).