All Countries
Thornton, CO
Full City Profile · Colorado · Denver County County
3.3
/5.0
B
Good
142,878
Population
3,912/sq mi density
$100,985
Median Income
$41,869 per capita
$482,200
Home Value
$497,741 Zillow
$1,810
Median Rent
32.6% income on rent
49°F
Avg Temperature
321 sunny days/yr
273
Violent Crime/100K
3,027 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$100,985 median income, 3.4% unemployment
B+
Affordability
4.0 / 5.0
$482,200 home value, $1,810/mo rent
F
Safety
1.0 / 5.0
273 violent crimes/100K
B+
Education
3.6 / 5.0
32.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+13.1%
128,666 → 145,533
over 10 years
Annual Pop. Growth
+1.24%
Compound annual growth rate
Median Income Change
+56.5%
$64,525 → $100,985
nominal, not inflation-adjusted
Annual Income Growth
+4.58%
Compound annual growth rate
Population Over Time
Total population for Thornton across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
158,645
+13,112 from 2023 (145,533)
Projected Median Income 2030
$138,165
+$37,180 from 2023 ($100,985)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 128,666 | — | $64,525 | — |
| 2015 | 135,191 | +5.1% | $66,948 | +3.8% |
| 2017 | 142,184 | +5.2% | $73,517 | +9.8% |
| 2019 | 146,929 | +3.3% | $79,411 | +8% |
| 2021 | 142,610 | -2.9% | $86,818 | +9.3% |
| 2023 | 145,533 | +2% | $100,985 | +16.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.