Pest control · Downers Grove, Illinois
Pest control in Downers Grove, IL
Termites, ants, roaches, scorpions or rodents? 62% of Downers Grove's homes are detached houses[1], and 7% were built since 2010. Request a licensed pest-control company that services the area. Downers Grove, in DuPage County — ZIPs 60515, 60516, counts 50,365 residents (2025 estimate)[2].
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The Downers Grove pest control picture in brief
- Population (2025 est.)
- 50,365[2]+0.2% since 2020
- County
- DuPage[2]
- Land area
- 14.7 sq mi[3]
- Detached single-family homes
- 62%[1]the 4th-highest share of the 15 Chicago-area suburbs we cover
- Homes built 2010 or later
- 7%[1]the 5th-highest share of the 15 Chicago-area suburbs we cover
- People per square mile of land
- 3,437[2][3]the 6th-least dense of the 15 Chicago-area suburbs we cover
- Households renting
- 25%[1]2020–2024
- Population change, 2020–2025
- +0.2%[2]the 6th-fastest-growing of the 15 Chicago-area suburbs we cover
- Land area
- 14.7 sq mi[3]city limits
What the local data means for pest control in Downers Grove
Downers Grove counts 50,365 residents (2025 estimate), growing at a middle-of-the-pack 0.2% since 2020[2]. The city spans 14.7 square miles at 3,437 residents per square mile (the 10th densest) and sits entirely in DuPage County, served by ZIP codes 60515, 60516[3].
Building amid 0.2% 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.
Mail to Downers Grove goes through 2 ZIP codes — 60515 (65% of the city's land), 60516 (35% of the city's land)[4].
The closest tracked neighbours are Wheaton (6.2 mi NW), Naperville (7.9 mi SW) and Bolingbrook (8.6 mi SW)[3].
62% of Downers Grove's 21,527 housing units are detached houses[1] — the 4th-highest share of the 15 Chicago-area suburbs we cover; nearby, Wheaton (58%), Naperville (63%), and Bolingbrook (72%). With more attached housing, pests move between units — whole-building treatment matters more.
7% of homes were built in 2010 or later[1] (the 5th-highest share of the 15 Chicago-area suburbs we cover; Wheaton (5%), Naperville (8%), and Bolingbrook (6%) nearby), and population changed +0.2% from 2020 to 2025[2]. Many owners here can still check for a builder termite pre-treatment and warranty.
About 3,437 people live per square mile of land across 14.7 square miles[2][3] — the 6th-least dense of the 15 Chicago-area suburbs we cover. More yard between houses puts the focus on the foundation perimeter and entry points.
25% of households rent and 75% own[1].
Among the 15 suburbs tracked here, Downers Grove stands out for the most flood reports nearby (97)[5].
Finding pest control help around Downers Grove
Requests go to Pest control contractors serving the Downers Grove area — ZIP codes 60515, 60516.
Before you call: choosing a pest-control plan
Downers Grove by the numbers
| Measure | Downers Grove | Median of 15 | Difference |
|---|---|---|---|
| Growth since 2020 | 0.2% | -1.3% | 1 pts faster |
| Flood reports (10 mi) | 97 | 56 | 41 more |
| Residents per sq mi | 3,437 | 3,985 | 14% less dense |
| Detached single-family | 62% | 58% | 4 pts higher |
| Renter-occupied | 25% | 26% | 1 pts lower |
| Median year built | 1974 | 1977 | 3 years older |
Biggest gaps first. Medians are middle values across the Chicago-area suburbs we cover, drawn from the same sources.
| City | People / sq mi | Growth since 2020 | Population |
|---|---|---|---|
| Downers Grove | 3,437 | 0.2% | 50,365 |
| Wheaton 6.2 mi | 4,776 | 0.1% | 54,065 |
| Naperville 7.9 mi | 3,889 | 2.4% | 153,114 |
| Bolingbrook 8.6 mi | 2,997 | 1.2% | 74,803 |
| Aurora 14.0 mi | 4,011 | 0.5% | 181,505 |
| Orland Park 15.4 mi | 2,629 | -1.3% | 57,954 |
| Measure | Value |
|---|---|
| Housing units | 21,527 |
| Detached single-family | 13,344 (62%) |
| Occupied homes | 20,662 |
| Owner-occupied | 15,548 (75%) |
| Renter-occupied | 5,114 (25%) |
| Median home value | $449,800 |
ACS 2020–2024 estimates.
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 134 | 0.6% | ±70 |
| 2010 to 2019 | 1,318 | 6.1% | ±321 |
| 2000 to 2009 | 1,872 | 8.7% | ±306 |
| 1990 to 1999 | 1,670 | 7.8% | ±330 |
| 1980 to 1989 | 2,722 | 12.6% | ±298 |
| 1970 to 1979 | 5,082 | 23.6% | ±456 |
| 1960 to 1969 | 3,452 | 16.0% | ±403 |
| 1950 to 1959 | 2,851 | 13.2% | ±353 |
| 1940 to 1949 | 528 | 2.5% | ±173 |
| 1939 or earlier | 1,898 | 8.8% | ±274 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| ZIP (ZCTA) | Share of Downers Grove's land | Share of the ZIP inside the city |
|---|---|---|
| 60515 | 65% | 80% |
| 60516 | 35% | 68% |
pest control questions from Downers Grove homeowners
My Downers Grove home is new — do I need termite protection?
Check your closing documents for a builder termite pre-treatment and warranty first. 7% of Downers Grove homes were built in 2010 or later[1].
I rent in Downers Grove. Who pays for pest control?
Your lease decides. 25% of Downers Grove households rent[1].
Which areas does this page cover?
ZIP 60515 and 60516[4], DuPage County. Nearest suburbs with their own pages: Wheaton (6.2 mi), Naperville (7.9 mi), and Bolingbrook (8.6 mi)[3].
A lot of Downers Grove homes predate 1980 — what does that mean for termite pre-treatment work?
64% of Downers Grove's housing units were built before 1980, 24.5% before 1960[1] — the 4th-highest share of the 15 Chicago-area suburbs we cover. Older houses tend to have more gaps at the foundation, eaves and utility penetrations — ask the inspector to show you the entry points, not just treat.
My Downers Grove home is fairly new — could the termite pre-treatment still be under warranty?
Possibly: 7% of Downers Grove's housing units were built in 2010 or later[1], the 5th-highest share of the 15 Chicago-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- Census 2020 ZCTA–place file
- NOAA Storm Events Database
Data pulled Sep 28, 2026. Full citations and method.