185 years in pictures
Census counts: 35,309 in 2000, 36,301 in 2020. The archive holds 3 old photos and papers going back to 2006 and 7 maps from 1912 on.
1 place on the National Register of Historic Places.
- 1841Oakville is settled
Each edition grades its towns against each other only.

Oakville is a solid, middle-of-the-road choice. It grades B+ overall, 58th among Missouri's 247 graded towns, with no subject far below average. Its best mark is incomes: the median household earns $106K. It also does better than most on health: residents are healthier than 77% of U.S. towns on CDC estimates. A typical home there costs about $364K, 4.5 years of the St. Louis metro’s $80K median household income. 44% of adults 25 and older hold a bachelor’s degree or more in Oakville, above both the Missouri town median (22%) and the median of U.S. towns (29%). Nims Mansion is on the National Register of Historic Places.
Where Oakville beats most towns.
Where Oakville’s working residents go each day. Line width shows the share.
Census LEHD 2023
Each subject compared with towns across the country (schools within Missouri), ordered by how far Oakville is from typical.
How TownRatings grades towns →
Census counts: 35,309 in 2000, 36,301 in 2020. The archive holds 3 old photos and papers going back to 2006 and 7 maps from 1912 on.
1 place on the National Register of Historic Places.
Museums, parks, gardens and other places to visit around Oakville. Close and well known come first.
Big draw20 mi State parkCahokia
Big draw15 mi Stadium & arenaThe Dome at America's Center
14 mi Stadium & arenaBusch Stadium
14 mi National ParkGateway Arch National Park2.2M visitors a year
20 mi Theme parkMid America Adventure
20 mi LandmarkMonks MoundCahokia: Thank You (24 Millions ) views, CC BY 2.0 · The Dome at America's Center: Paul Sableman, CC BY 2.0 · Busch Stadium: Lee Ann Ratledge, CC BY 4.0 · Gateway Arch National Park: Daniel Schwen, CC BY-SA 4.0 · Mid America Adventure: Chris Hagerman from New Port Richey, FL, US, CC BY 2.0 · Monks Mound: Skubasteve834, CC BY-SA 3.0
Oakville is unincorporated, so St. Louis County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Oakville.
Oakville has less food insecurity than most of Missouri and has household incomes well above the Missouri norm, but it has property taxes 1.8 times the Missouri norm.
12 miles of trail in 6 parks and preserves. Cliff Cave Park, at 600 acres with 6 miles of trail, is the biggest park or preserve. The trail density in Oakville is 0.7 miles per square mile.
| Oakville | Missouri towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.7 miles per square mile | 0.3 | 0.4 |
| Conserved land | 2.7% | 2.1% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Cliff Cave Park | 6 mi | 600 |
| 2. Bee Tree County Park | 2.1 mi | 157 |
| 3. Foster-Rollins Floodplain Conservation and Education Area | — | 200 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Its public schools are run by the Mehlville R-Ix school district. Three of its 11 schools are below, each with why it’s listed.
| School | Level | Students | Letter |
|---|---|---|---|
| Oakville MiddleLargest public middle schoolGrades 6–8 | Grades 6–8 | 629 | B |
| Oakville SR. HighLargest public high schoolGrades 9–12 | Grades 9–12 | 1,847 | B |
| Rogers Elem.Top results in townGrades K–5 | Grades K–5 | 417 | A− |
NCES · EDFacts · graded within MO on state tests and graduation
The median property tax bill is $3,414, against $1,948 across Missouri, another input to its cost-of-living grade.
86% of households own their home in Oakville. The typical Oakville home is worth about $364,000, up 3.4% in a year, 37% above the Missouri typical home.
| Oakville | Missouri towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 86% | 64% | 73% |
| Median rent | $1,091 a month | $970 a month | $1,185 a month |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Its widest gap with Missouri is food insecurity: 8.3% of its 28,803 adults worry about having enough food, against 13.7% statewide.
30% of Oakville adults sleep under 7 hours. Oakville beats the Missouri average on 19 of 32 CDC measures and trails it on 1. 16% of Oakville adults report frequent mental distress.
| Oakville | Missouri towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 30% | 38% | 36% |
| Frequent mental distress (CDC PLACES) | 16% | 19% | 17% |
| Food insecurity (CDC PLACES) | 8.3% | 15% | 14% |
| Fair or poor health (CDC PLACES) | 16% | 22% | 19% |
| What stands out | Oakville | MO |
|---|---|---|
| Fewer adults facing food insecurity | 8.3% | 13.7% |
| Fewer older adults who have lost all their teeth | 9.9% | 15.8% |
| More adults who have had cancer | 10.3% | 8.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Most working residents leave Oakville for work: only 5% work in town. Oakville’s average trip to work is 28 minutes. Since 2013, Oakville has added 720 jobs, to 5,587 in 2023.
| Oakville | Missouri towns | U.S. towns | |
|---|---|---|---|
| Work from home | 19% | 9% | 11% |
| Median household income | $106,000 | $62,000 | $80,000 |
| Below the poverty line | 6.4% | 14% | 9.6% |
| Average trip to work | 28 minutes | 22 minutes | 25 minutes |
Census LEHD 2023 · ACS
Expected storm and flood damage is higher than in 74% of U.S. communities. Since 1979, 32 flood insurance claims have been paid out in Oakville.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Oakville has chilly winters and warm summers. July afternoons reach 89°, January nights drop to 24° and about 9 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
15 within 15 miles of the center of Oakville
About 5 of every 100 Oakville residents are enrolled in college, about the same as Missouri.
Place in Missouri, United States
Oakville is an unincorporated community and census-designated place (CDP) in south St. Louis County, Missouri, United States. The population was 36,301 at the 2020 census. Oakville is 18 miles south of the city of St. Louis and borders the Mississippi and Meramec rivers; the area is part of "South County" (south St. Louis County).
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
One town shares a border with Oakville.
Oakville and Mehlville report no FBI crime data of their own. Compare Oakville with a neighbor →
Short answers, built from the data on this page.
By most measures, yes. Oakville grades B+ overall, better than 75% of U.S. towns and #58 of 247 in Missouri. It grades A− for health and B for schools. Hazard risk is its weak spot, with a C−.
Louis, MO-IL metro area). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B−.