Pest control · Kirkwood, Missouri
Pest control in Kirkwood, MO
Termites, ants, roaches, scorpions or rodents? 75% of Kirkwood's homes are detached houses[1], and 9% were built since 2010. Request a licensed pest-control company that services the area. Kirkwood, in St. Louis County — ZIP 63122, counts 29,331 residents (2025 estimate)[2].
Request helpDo you need a pest pro, or can you handle it?
Answer a few questions to see what to do first.
Kirkwood pest control snapshot: the key figures
- Population (2025 est.)
- 29,331[2]-0.5% since 2020
- County
- St. Louis[2]
- Land area
- 9.2 sq mi[3]
- Detached single-family homes
- 75%[1]the 8th-highest share of the 15 St. Louis–area suburbs we cover
- Homes built 2010 or later
- 9%[1]the 6th-highest share of the 15 St. Louis–area suburbs we cover
- Households renting
- 23%[1]2020–2024
- Population change, 2020–2025
- -0.5%[2]the 7th-fastest-growing of the 15 St. Louis–area suburbs we cover
- Land area
- 9.2 sq mi[3]city limits
What Kirkwood's numbers say about pest control
Kirkwood counts 29,331 residents (2025 estimate), growing at a middle-of-the-pack -0.5% since 2020[2]. It covers 9.2 square miles (3,194 residents per square mile, the 5th densest), sits entirely in St. Louis County, in ZIP code 63122[3].
Building amid 0.5% decline 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.
The entire city sits in ZIP code 63122[4].
Nearest of the other suburbs we track: Webster Groves (3.6 mi E), Ballwin (7.1 mi W) and University City (7.7 mi NE)[3].
75% of Kirkwood's 12,978 housing units are detached houses[1] — the 8th-highest share of the 15 St. Louis–area suburbs we cover; nearby, Webster Groves (79%), Ballwin (81%), and University City (61%). Perimeter, slab-edge and termite plans are mostly individual homeowner decisions here.
9% of homes were built in 2010 or later[1] (the 6th-highest share of the 15 St. Louis–area suburbs we cover; Webster Groves (3%), Ballwin (3%), and University City (4%) nearby), and population changed -0.5% from 2020 to 2025[2]. Most houses here are past any builder termite warranty.
About 3,194 people live per square mile of land across 9.2 square miles[2][3] — the 5th-densest of the 15 St. Louis–area suburbs we cover. Close neighbours share fences, walls and pest pressure.
23% of households rent and 77% own[1].
Measured against the 15 suburbs on this site, Kirkwood records the 3rd-oldest housing (by median year built) (1962)[1] and the 3rd-most flood reports nearby (20)[5].
Finding pest control help around Kirkwood
Your request reaches Pest control contractors who serve Kirkwood (ZIP code 63122).
Before you pick up the phone: choosing a pest-control plan
Kirkwood by the numbers
| Measure | Kirkwood | Median of 15 | Difference |
|---|---|---|---|
| Growth since 2020 | -0.5% | -1.3% | 1 pts faster |
| Flood reports (10 mi) | 20 | 14 | 6 more |
| Residents per sq mi | 3,194 | 2,728 | 17% denser |
| Median year built | 1962 | 1977 | 15 years older |
| Detached single-family | 75% | 75% | same as median |
| Renter-occupied | 23% | 23% | same as median |
Sorted by largest difference. Each median is the middle value across the covered St. Louis–area suburbs, from the same sources.
| City | People / sq mi | Growth since 2020 | Population |
|---|---|---|---|
| Kirkwood | 3,194 | -0.5% | 29,331 |
| Webster Groves 3.6 mi | 3,967 | -2.3% | 23,450 |
| Ballwin 7.1 mi | 3,402 | -2.5% | 30,901 |
| University City 7.7 mi | 5,893 | -1.6% | 34,657 |
| Maryland Heights 9.9 mi | 1,259 | -2.6% | 27,559 |
| Chesterfield 10.0 mi | 1,550 | -1.4% | 49,309 |
| Measure | Value |
|---|---|
| Housing units | 12,978 |
| Detached single-family | 9,693 (75%) |
| Occupied homes | 11,992 |
| Owner-occupied | 9,254 (77%) |
| Renter-occupied | 2,738 (23%) |
| Median home value | $451,400 |
ACS 2020–2024 estimates.
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 265 | 2.0% | ±121 |
| 2010 to 2019 | 858 | 6.6% | ±212 |
| 2000 to 2009 | 1,320 | 10.2% | ±326 |
| 1990 to 1999 | 498 | 3.8% | ±134 |
| 1980 to 1989 | 923 | 7.1% | ±175 |
| 1970 to 1979 | 1,375 | 10.6% | ±270 |
| 1960 to 1969 | 1,589 | 12.2% | ±256 |
| 1950 to 1959 | 2,623 | 20.2% | ±350 |
| 1940 to 1949 | 1,383 | 10.7% | ±296 |
| 1939 or earlier | 2,144 | 16.5% | ±270 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| ZIP (ZCTA) | Share of Kirkwood's land | Share of the ZIP inside the city |
|---|---|---|
| 63122 | 100% | 63% |
Common Kirkwood pest control questions
My Kirkwood home is new — do I need termite protection?
Check your closing documents for a builder termite pre-treatment and warranty first. 9% of Kirkwood homes were built in 2010 or later[1].
I rent in Kirkwood. Who pays for pest control?
Your lease decides. 23% of Kirkwood households rent[1].
Which areas does this page cover?
ZIP 63122[4], St. Louis County. Nearest suburbs with their own pages: Webster Groves (3.6 mi), Ballwin (7.1 mi), and University City (7.7 mi)[3].
A lot of Kirkwood homes predate 1980 — what does that mean for termite pre-treatment work?
70% of Kirkwood's housing units were built before 1980, 47.4% before 1960[1] — the 4th-highest share of the 15 St. Louis–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.
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.