Sunset Hills, MO Profile: Facts & Data


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Sunset Hills, Missouri - Basic Facts

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The City of Sunset Hills had a population of 8,519 as of July 1, 2021.

The primary coordinate point for Sunset Hills is located at latitude 38.5389 and longitude -90.4073 in St. Louis County. The formal boundaries for the City of Sunset Hills encompass a land area of 9.1 sq. miles and a water area of 0.06 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 607 feet.

The City of Sunset Hills has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Sunset Hills is located within Township of Gravois, a minor civil division (MCD) of St. Louis County.

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  1. Sunset Hills 2021 Demographic Data
  2. Growth Rates for Sunset Hills (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

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


Total Population 8,519 (100%)
Population in Households 8,254 (96.9%)
Population in Families 6,789 (79.7%)
Population in Group Quarters1 265 ( 3.1%)
Population Density 947
Diversity Index2 20


Median Household Income $103,432
Average Household Income $140,703
% of Income for Mortgage4 17%
Per Capita Income $58,772
Wealth Index5 217


Total HU (Housing Units) 3,659 (100%)
Owner Occupied HU 2,723 (74.4%)
Renter Occupied HU 734 (20.1%)
Vacant Housing Units 202 ( 5.5%)
Median Home Value $407,813
Average Home Value $455,196
Housing Affordability Index3 152


Total Households 3,457
Average Household Size 2.39
Family Households 2,282
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% 0.13%
Households 0.1% 0.18%
Families -0.51% 0.08%
Median Household Income   1.72%
Per Capita Income   2.25%
Owner Occupied HU   0.52%

Sunset Hills, MO - Peer Comparisons by Rank and Percentile

The table below compares Sunset Hills 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 # 100 90th
Population Density # 402 61st
Median Household Income # 30 97th
Housing Affordability Index # 290 28th
Per Capita Income # 22 98th
Diversity Index # 317 69th

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

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