Oakville, MO Demographics

A map of Oakville's Population by Race

Oakville, Missouri has an estimated population of 35,333, a slight decrease from the 36,301 recorded in the 2020 Census. The population is 88.5% White, 4.6% Multiracial, 2.9% Hispanic, 2.3% Black, 1.6% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Oakville, with one dot drawn for each person counted by the Census, color-coded by race.

Oakville has become more racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Oakville, that probability was 19.2% in 2020 and 21.3% in the most recent ACS estimates.

Oakville is ranked the 18th most populous place in Missouri, out of 1,082 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Oakville was ranked the 18th most populous place in the 2020 Census.

Oakville's White Population

31,264 residents of Oakville, or 88.5% of the population, identify as White. The share of White residents in Oakville is considerably higher than in Missouri overall, where 76.3% of the population is White. Oakville ranks 540th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's White population has declined by an estimated 4.0%. White residents' share of Oakville's population has decreased from 89.7% to 88.5%.

Oakville is more White than neighboring Mehlville (87.5% White), Arnold (88% White), Green Park (81.9% White), and St. George (79.6% White). Oakville is less White than neighboring Concord (91.4% White).

Oakville's Black Population

807 residents of Oakville, or 2.3% of the population, identify as Black. The share of Black residents in Oakville is lower than in Missouri overall, where 10.9% of the population is Black. Oakville ranks 324th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's Black population has grown by an estimated 34.9%. Black residents' share of Oakville's population has increased from 1.6% to 2.3%.

Oakville is more Black than neighboring Arnold (0.2% Black), and Concord (1.2% Black). Oakville is less Black than neighboring Mehlville (5.4% Black), Green Park (4.3% Black), and St. George (3% Black).

Oakville's Asian Population

573 residents of Oakville, or 1.6% of the population, identify as Asian. The share of Asian residents in Oakville is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Oakville ranks 100th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's Asian population has declined by an estimated 19.4%. Asian residents' share of Oakville's population has remained roughly unchanged at 1.6%.

Oakville is less Asian than neighboring Mehlville (2.4% Asian), Arnold (1.8% Asian), Concord (2% Asian), Green Park (7.3% Asian), and St. George (5.8% Asian).

Oakville's Hispanic Population

1,037 residents of Oakville, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Oakville is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Oakville ranks 518th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's Hispanic population has grown by an estimated 16.9%. Hispanic residents' share of Oakville's population has increased from 2.4% to 2.9%.

Oakville is more Hispanic than neighboring Mehlville (1.9% Hispanic), Arnold (2.6% Hispanic), Concord (0.7% Hispanic), and Green Park (1.4% Hispanic). Oakville is less Hispanic than neighboring St. George (3.9% Hispanic).

Oakville's Native American/Other Population

42 residents of Oakville, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oakville is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Oakville ranks 663rd statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's Native American/Other population has declined by an estimated 73.2%. Native American/Other residents' share of Oakville's population has remained roughly unchanged at 0.1%.

Oakville is more Native American/Other than neighboring Concord (0% Native American/Other), and Green Park (0% Native American/Other). Oakville is less Native American/Other than neighboring Arnold (0.5% Native American/Other), and St. George (4.2% Native American/Other).

Oakville's Multiracial Population

1,610 residents of Oakville, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Oakville is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Oakville ranks 727th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Oakville's Multiracial population has grown by an estimated 17.7%. Multiracial residents' share of Oakville's population has increased from 3.8% to 4.6%.

Oakville is more Multiracial than neighboring Mehlville (2.6% Multiracial), and St. George (3.4% Multiracial). Oakville is less Multiracial than neighboring Arnold (6.7% Multiracial), Concord (4.8% Multiracial), and Green Park (5.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.