CensusEasy
CITY

Thornton

Colorado · 147,766 residents (2025 est.) · 36.504 sq mi
Time machine
COMPARE TO
Part of the Denver metro area
Compare
The short version

Thornton is wealthier than most US places, with a median household income of $103,088. The city has grown rapidly, with population up 75% since 2000. Median home value has roughly tripled since 2000, reaching $517,500. At a median age of 34.7, residents skew younger than the country as a whole. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 34.7
US median: 38.9
Average education
33% hold a bachelor's degree
US average: 36%
Less affordable
home values up 87%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

144,187
+75%since 2000
from 82,384 in 2000
1990 – 2025
3,950 / sq mi
+30%since 2009
from 3,034 / sq mi in 2009
US average: 281
34.7
+13%since 2000
from 30.8 in 2000
US average: 38.9

PEP 2025 EST:147,766 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
46K73K100K126K153K1990201020202024Thornton
2024144K
1990201020202024
Age distribution, 2024
Under 56.3%(9,049)
US avg: 5.6%
5 to 96.2%(8,893)
US avg: 6%
10 to 148.3%(11,981)
US avg: 6.4%
15 to 196.4%(9,290)
US avg: 6.6%
20 to 247.7%(11,171)
US avg: 6.5%
25 to 3415.5%(22,403)
US avg: 13.7%
35 to 4415.8%(22,779)
US avg: 13.2%
45 to 5412.8%(18,401)
US avg: 12.2%
55 to 6410.1%(14,630)
US avg: 12.7%
65 to 747.2%(10,330)
US avg: 10.2%
75 to 843%(4,379)
US avg: 5.1%
85 and over0.6%(881)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$103,088
+4%inflation adjusted, since 2000
from $54,445 in 2000
US average: $82,259
1990 – 2024
$43,571
+103%since 2000
from $21,471 in 2000
US average: $44,673
Households earning $100K+
66.2%
+24.3 ptssince 2009
from 41.9% in 2009
US average: 53.3%
7.0%
+1.8 ptssince 2000
from 5.2% in 2000
US average: 12.5%
0.387
+10%since 2010
from 0.352 in 2010
US average: 0.476
Workforce by industry, 2024
Information12.1%
US avg: 10.8%
Wholesale trade9.8%
US avg: 6.9%
Retail trade8.8%
US avg: 9.9%
Finance & insurance7.4%
US avg: 5.9%
Professional, scientific, technical6.2%
US avg: 5.1%
Other services5.7%
US avg: 6.7%
Public administration3.1%
US avg: 4.8%
Transportation & warehousing2.9%
US avg: 2.2%
Arts, entertainment, food2.1%
US avg: 1.9%
Education & health services1.3%
US avg: 0.9%
Agriculture, forestry, fishing0.9%
US avg: 1.6%
Manufacturing0.5%
US avg: 0.4%
Construction0.5%
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$517,500
+87%inflation adjusted, since 2000
from $152,100 in 2000
US average: $376,019
1990 – 2024
$1,895
+30%inflation adjusted, since 2000
from $802 in 2000
US average: $1,442
71.4%
−6.3 ptssince 2000
from 77.7% in 2000
28.6% rent
3.2%
−3.5 ptssince 2009
from 6.7% in 2009
US average: 10.0%
26.9%
−8.7 ptssince 2009
from 35.6% in 2009
US average: 22.9%
56.2%
+7.7 ptssince 2009
from 48.6% in 2009
US average: 47.4%
5.0
+52%since 2009
from 3.3 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
69
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Thornton on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic72.4%(59,635)
Black1.3%(1,106)
Hispanic / Latino21.3%(17,583)
Asian2.4%(2,013)
Other0%
2024
White, non-Hispanic50.2%(72,383)
Black2%(2,923)
Hispanic / Latino37.7%(54,293)
Asian5.2%(7,504)
Other4.9%(7,084)
75
+18%since 2009
from 64 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican30%(43,197)
Spaniard2%(2,952)
Puerto Rican0.7%(998)
Colombian0.5%(723)
Salvadoran0.4%(582)
Guatemalan0.3%(438)
Venezuelan0.2%(301)
Cuban0.2%(258)
Nicaraguan0.1%(203)
Peruvian0.1%(145)
+ 5 more hispanic origin groups with data
Ecuadorian0.1%(141)
Honduran0.1%(108)
Argentine0.1%(97)
Dominican0%(66)
Asian origin
Vietnamese0.9%(1,338)
Chinese0.8%(1,096)
Asian Indian0.6%(823)
Filipino0.4%(641)
Nepalese0.4%(576)
Kazakh0.4%(552)
Hmong0.4%(533)
Korean0.3%(452)
Cambodian0.3%(417)
Japanese0.2%(263)
Sri Lankan0.1%(155)
Taiwanese0.1%(144)
+ 6 more asian origin groups with data
Laotian0.1%(144)
Indonesian0.1%(76)
Thai0.1%(76)
Pakistani0%(56)
Uzbek0%(8)
Pacific Islander origin
Guamanian0.1%(146)
Tongan0.1%(77)
Samoan0%(68)
Ancestry
German15.3%(22,077)
Irish9.9%(14,218)
English9.5%(13,674)
Italian5%(7,220)
American3%(4,346)
French2%(2,908)
Polish1.8%(2,525)
Scottish1.4%(2,023)
Swedish1.3%(1,851)
Norwegian1.2%(1,741)
Dutch1%(1,442)
Russian0.9%(1,308)
+ 42 more ancestry groups with data
Portuguese0.6%(800)
Scotch-Irish0.5%(698)
Czech0.5%(664)
Danish0.4%(583)
Welsh0.3%(443)
Greek0.3%(442)
Hungarian0.3%(426)
British0.3%(413)
Ukrainian0.3%(407)
West Indian0.3%(363)
Turkish0.2%(300)
Nigerian0.2%(278)
Jamaican0.2%(276)
Arab0.2%(266)
Swiss0.2%(262)
Canadian0.2%(258)
Lithuanian0.2%(258)
Austrian0.2%(223)
Finnish0.1%(216)
Romanian0.1%(188)
Croatian0.1%(171)
Australian0.1%(167)
Belgian0.1%(144)
Slovak0.1%(133)
Slovene0.1%(131)
Ethiopian0.1%(130)
Lebanese0.1%(92)
Iranian0.1%(82)
Brazilian0%(71)
Egyptian0%(65)
Syrian0%(64)
Guyanese0%(63)
Barbadian0%(61)
Latvian0%(52)
Bulgarian0%(26)
Armenian0%(18)
Serbian0%(17)
Ghanaian0%(16)
Haitian0%(8)
RANKED:Largest Mexican population · Largest German population · Largest Irish population · Largest English population · Largest Italian population
Section 05

Education

32.8%
+12.9 ptssince 2000
from 19.9% in 2000
US average: 35.6%
High school or higher
87.9%
+2.8 ptssince 2000
from 85.1% in 2000
US average: 89.6%
10.7%
+5.9 ptssince 2000
from 4.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

30.4 min
+57%since 2000
from 19.4 min in 2000
US average: 26.5
71.1%
−8.5 ptssince 2009
from 79.6% in 2009
US average: 68.9%
10.2%
−0.5 ptssince 2009
from 10.7% in 2009
US average: 8.5%
1.6%
−2.8 ptssince 2009
from 4.4% in 2009
US average: 3.2%
15.3%
+12.1 ptssince 2009
from 3.3% in 2009
US average: 15.0%
0.6%
−0.3 ptssince 2009
from 0.9% in 2009
US average: 2.4%
0.2%
+0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
3.0%
−0.2 ptssince 2009
from 3.2% in 2009
US average: 8.3%
Section 07

Work & employment

4.5%
−2.8 ptssince 2011
from 7.3% in 2011
US average: 5.2%
74.0%
−2.2 ptssince 2011
from 76.2% in 2011
US average: 63.5%
12.2%
+0.6 ptssince 2009
from 11.6% in 2009
US average: 13.1%
39.4%
−22.7 ptssince 2009
from 62.1% in 2009
US average: 42.5%
Section 08

People & community

50.0%
−0.3 ptssince 2009
from 50.2% in 2009
50.0%
+0.3 ptssince 2009
from 49.8% in 2009
14.0%
+3.4 ptssince 2009
from 10.7% in 2009
US average: 14.1%
6.2%
−43.8 ptssince 2009
from 50.0% in 2009
US average: 6.2%
10.6%
+2.9 ptssince 2012
from 7.7% in 2012
US average: 13.3%
9.9%
−73.8 ptssince 2013
from 83.7% in 2013
US average: 8.4%
96.5%
+10.2 ptssince 2017
from 86.3% in 2017
US average: 91.0%
74.1%
−2.5 ptssince 2016
from 76.6% in 2016
US average: 77.7%
19.7%
+2.7 ptssince 2016
from 17.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married37.1%(21,166)
Married53.4%(30,485)
Widowed1.4%(784)
Divorced8.1%(4,628)
Women 15+
Never married30.6%(17,513)
Married52.6%(30,085)
Widowed4.5%(2,553)
Divorced12.3%(7,050)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Thornton

Head to head

Compare Thornton to nearby cities

Frequently asked

How many people live in Thornton, Colorado?

Thornton, Colorado has about 144,187 residents according to the 2024 American Community Survey.

What is the median household income in Thornton, Colorado?

The typical household in Thornton, Colorado earns about $103,088 a year. Half of households make more than that, and half make less.

Is Thornton, Colorado expensive?

In Thornton, Colorado, the median home is worth about $517,500, and the typical rent is about $1,895 a month.

How educated are people in Thornton, Colorado?

About 32.8% of adults age 25 and over in Thornton, Colorado hold a bachelor's degree or higher.

What is the poverty rate in Thornton, Colorado?

About 7.0% of people in Thornton, Colorado live below the federal poverty line.

Has Thornton, Colorado grown since 1990?

Yes, Thornton, Colorado has grown since 1990. The population has added about 89,156 residents, a change of about 162 percent over that period.

Keep going

Explore from here

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →