Oakville, MO Profile: Facts & Data


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Oakville, Missouri - Basic Facts

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The Oakville CDP(1) had a population of 36,293 as of July 1, 2021. Oakville ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for Oakville is located at latitude 38.4701 and longitude -90.3046 in St. Louis County. The formal boundaries for the Oakville Census Designated Place encompass a land area of 15.93 sq. miles and a water area of 1.8 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 597 feet.

The Oakville Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Oakville Census Designated Place is located within Township of Oakville, a minor civil division (MCD) of St. Louis County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Oakville 2021 Demographic Data
  2. Growth Rates for Oakville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2021 Demographics

Oakville, MO Data & Demographics (As of July 1, 2021)


Total Population 36,293 (100%)
Population in Households 36,135 (99.6%)
Population in Families 31,607 (87.1%)
Population in Group Quarters1 158 ( 0.4%)
Population Density 2,286
Diversity Index2 15


Median Household Income $88,139
Average Household Income $109,120
% of Income for Mortgage4 13%
Per Capita Income $42,006
Wealth Index5 149


Total HU (Housing Units) 14,467 (100%)
Owner Occupied HU 11,894 (82.2%)
Renter Occupied HU 2,074 (14.3%)
Vacant Housing Units 499 ( 3.4%)
Median Home Value $274,457
Average Home Value $305,564
Housing Affordability Index3 170


Total Households 13,968
Average Household Size 2.59
Family Households 10,510
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.04% 0.17%
Households 0.12% 0.18%
Families 0.0% 0.1%
Median Household Income   2.9%
Per Capita Income   2.55%
Owner Occupied HU   0.32%

Oakville, MO - Peer Comparisons by Rank and Percentile

The table below compares Oakville to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 19 98th
Population Density # 90 91st
Median Household Income # 65 94th
Housing Affordability Index # 337 33rd
Per Capita Income # 69 93rd
Diversity Index # 487 53rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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