Pest control · Thornton, Colorado

Pest control in Thornton, CO

Termites, ants, roaches, scorpions or rodents? 62% of Thornton's homes are detached houses^[1], and 19% were built since 2010. Request a licensed pest-control company that services the area. Thornton, in Adams County and Weld County — ZIPs 80602, 80229, 80241, 80233, 80260, counts 147,766 residents (2025 estimate)^[2].

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The Thornton pest control picture in brief

Population (2025 est.): 147,766^[2]+4.2% since 2020
County: Adams / Weld^[2]city spans more than one county
Land area: 36.7 sq mi^[3]
Population density: 4,032 / sq mi^[2]^[3]
Detached single-family homes: 62%^[1]the 7th-highest share of the 15 Denver-area suburbs we cover
Homes built 2010 or later: 19%^[1]the 6th-highest share of the 15 Denver-area suburbs we cover
People per square mile of land: 4,032^[2]^[3]the 3rd-densest of the 15 Denver-area suburbs we cover
Households renting: 29%^[1]2020–2024
Population change, 2020–2025: +4.2%^[2]the 8th-fastest-growing of the 15 Denver-area suburbs we cover
Land area: 36.7 sq mi^[3]city limits

Reading the Thornton data for pest control

Thornton counts 147,766 residents (2025 estimate), growing at a middle-of-the-pack 4.2% since 2020^[2]. It covers 36.7 square miles (4,032 residents per square mile, the 3rd densest), spans Adams County and Weld County, in ZIP codes 80602, 80229, 80241, 80233, 80260^[3].

Building amid 4.2% growth since 2020 pushes construction into previously open land, which stirs up the pests already living there — and denser housing gives them more neighboring homes to visit.

Thornton is split across 5 ZIP codes: 80602 (35% of the city's land), 80229 (19% of the city's land), 80241 (18% of the city's land), 80233 (13% of the city's land), 80260 (6% of the city's land)^[4].

The tracked suburbs closest by are Northglenn (2.2 mi W), Broomfield (6.2 mi W) and Westminster (6.9 mi SW)^[3].

62% of Thornton's 52,250 housing units are detached houses^[1] — the 7th-highest share of the 15 Denver-area suburbs we cover; nearby, Northglenn (58%), Broomfield (58%), and Westminster (54%). With more attached housing, pests move between units — whole-building treatment matters more.

19% of homes were built in 2010 or later^[1] (the 6th-highest share of the 15 Denver-area suburbs we cover; Northglenn (6%), Broomfield (32%), and Westminster (12%) nearby), and population changed +4.2% from 2020 to 2025^[2]. Most houses here are past any builder termite warranty.

About 4,032 people live per square mile of land across 36.7 square miles^[2]^[3] — the 3rd-densest of the 15 Denver-area suburbs we cover. Close neighbours share fences, walls and pest pressure.

29% of households rent and 71% own^[1].

Out of the 15 suburbs on this site, Thornton has the 3rd-densest settlement (4,032)^[2]^[3].

Get pest control help in Thornton

Requests go to Pest control contractors serving the Thornton area — ZIP codes 80602, 80229, 80241, 80233, 80260.

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The Thornton numbers behind this page

Thornton against the typical suburb we cover (median of 15)^[2]^[3]^[1]^[5]
Measure	Thornton	Median of 15	Difference
Residents per sq mi	4,032	3,151	28% denser
Renter-occupied	29%	37%	9 pts lower
Flood reports (10 mi)	7	6	1 more
Detached single-family	62%	58%	3 pts higher
Median year built	1997	1987	10 years newer
Growth since 2020	4.2%	4.2%	same as median

Largest differences first. Medians are the middle value across the covered Denver-area suburbs, from the same sources.

How Thornton compares with its nearest neighbours^[2]^[3]^[3]
City	People / sq mi	Growth since 2020	Population
Thornton	4,032	4.2%	147,766
Northglenn 2.2 mi	5,284	2.1%	38,893
Broomfield 6.2 mi	2,402	6.8%	79,174
Westminster 6.9 mi	3,673	-0.4%	116,182
Commerce City 8.2 mi	1,960	15.9%	72,345
Brighton 8.4 mi	2,088	13.3%	45,395

Thornton housing and households^[1]
Measure	Value
Housing units	52,250
Detached single-family	32,198 (62%)
Occupied homes	50,566
Owner-occupied	36,109 (71%)
Renter-occupied	14,457 (29%)
Median home value	$517,500

ACS 2020–2024 estimates.

When Thornton's 52,250 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	1,995	3.8%	±342
2010 to 2019	7,674	14.7%	±578
2000 to 2009	13,665	26.2%	±839
1990 to 1999	10,383	19.9%	±740
1980 to 1989	7,093	13.6%	±673
1970 to 1979	6,926	13.3%	±656
1960 to 1969	1,992	3.8%	±464
1950 to 1959	2,261	4.3%	±293
1940 to 1949	107	0.2%	±101
1939 or earlier	154	0.3%	±104

ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.

ZIP code areas covering Thornton^[4]
ZIP (ZCTA)	Share of Thornton's land	Share of the ZIP inside the city
80602	35%	41%
80229	19%	55%
80241	18%	97%
80233	13%	50%
80260	6%	44%

Thornton pest control questions

My Thornton home is new — do I need termite protection?

Check your closing documents for a builder termite pre-treatment and warranty first. 19% of Thornton homes were built in 2010 or later^[1].

I rent in Thornton. Who pays for pest control?

Your lease decides. 29% of Thornton households rent^[1].

Which areas does this page cover?

ZIP 80602, 80229, 80241, 80233, and 80260^[4], Adams County. Nearest suburbs with their own pages: Northglenn (2.2 mi), Broomfield (6.2 mi), and Westminster (6.9 mi)^[3].

Sources

Data pulled Sep 28, 2026. Full citations and method.