Sunset Hills, St. Louis County, MO demographics:
population, income, and more

Total population
9,112
-0.0% year-over-year change
Median household income
$138,144/yr
3.2% year-over-year change
Housing units
3,768
-1.6% year-over-year change

Sunset Hills population

How many people live in Sunset Hills

Sunset Hills is home to 9,112 residents, according to the most recent Census data. Gender-wise, 47.2% of Sunset Hills locals are male, and 52.8% are female.

Total population
9,112
-0.0% year-over-year change
Gender ratio
Male
47.2%
4,298
Female
52.8%
4,814
Value Percent YoY change
Male 4,298 47.2% -1.1%
Female 4,814 52.8% 1.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sunset Hills is 51, with the population distributed as follows: about 15.5% are children under 15, then 12.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 15.8% of the population, while another 27.4% fall into the 45 to 64 bracket. Finally, around 29.2% are 65 or older.

Median age
51.1
Age breakdown
Under 15
15.5%
15 to 24
12.1%
25 to 44
15.8%
45 to 64
27.4%
Over 65
29.2%
Value Percent YoY change
Under 15 1,415 15.5% -0.5%
15 to 24 1,102 12.1% -1.0%
25 to 44 1,435 15.8% 3.2%
45 to 64 2,500 27.4% -4.9%
Over 65 2,660 29.2% 4.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sunset Hills, 96.9% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 92.6% of locals are Caucasian, 1.3% are African American and 1.4% have Asian roots. There’s also a share of 4.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.9%
Non-U.S.-born citizens
1.9%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 8,833 96.9% -1.1%
Non-U.S.-born citizens 173 1.9% 13.1%
Non-citizens 106 1.2% 292.6%
Racial breakdown
White
92.6%
Black or African American
1.3%
American Indian and Alaska Native
0%
Asian
1.4%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
4.5%
Other
0.1%
Value Percent
White 8,434 92.6%
Black or African American 121 1.3%
Asian 131 1.4%
Native Hawaiian and other Pacific Islander 7 0.1%
Two or more races 409 4.5%
Other 10 0.1%

Households in Sunset Hills

A peek inside Sunset Hills households

Sunset Hills has 3,625 households, with an average of 2 members in each. Of these, 71.1% are families, while the remaining 28.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,625
-1.0% year-over-year change
Average people per household
2
Non-family households
1,048
Family households
2,577
Value Percent YoY change
Non-family households 1,048 28.9% 7.6%
Family households 2,577 71.1% -4.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sunset Hills

The housing landscape of Sunset Hills

Sunset Hills's housing consists of 3,768 units, with 83% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.9% of the housing landscape.

Housing units
3,768
-1.6% year-over-year change
Housing types
Value Percent
1 unit, detached 3,126 83%
1 unit, attached 108 2.9%
3 or 4 units 59 1.6%
10 to 19 units 67 1.8%
20 to 49 units 42 1.1%
50 or more units 295 7.8%
Mobile home 71 1.9%
Homes built since 2020
14
% year-over-year change

The age of buildings in Sunset Hills

In Sunset Hills, the median construction year is 1979. About 2.6% of homes were built before the 1940s, with another 3.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 11.2% of homes were added from 2000 to 2009, 9.8% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 99 2.6% -4.8%
Built between 1940 and 1949 119 3.2% -4.8%
Built between 1950 and 1959 676 17.9% 5.5%
Built between 1960 and 1969 519 13.8% -10.7%
Built between 1970 and 1979 538 14.3% -10.3%
Built between 1980 and 1989 628 16.7% 11.2%
Built between 1990 and 1999 386 10.2% 8.7%
Built between 2000 and 2009 420 11.2% -9.5%
Built between 2010 and 2019 369 9.8% -6.3%
Built in 2020 or later 14 0.4% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sunset Hills occupancy rates

Out of the 3,625 occupied housing units in Sunset Hills, 82.9% are owner-occupied, while 17.1% are lived in by tenants. Meanwhile, 3.8% of all homes on the local market sit vacant.

Occupied housing units
3,625
-1.0% year-over-year change
Occupancy breakdown
Renter occupied
620
Owner occupied
3,005
Value Percent YoY
change
Renter occupied 620 17.1% -2.7%
Owner occupied 3,005 82.9% -0.6%
Unoccupied housing units
3.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sunset Hills housing costs

Median housing costs per month
$1,784/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Sunset Hills

Sunset Hills education at a glance

About 18.5% of the population in Sunset Hills went to high school, while 16.9% pursued college studies. Another 5.4% earned an associate degree and 34.1% hold a bachelor’s. Meanwhile, 23.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 128 1.8% 190.9%
High school diploma 1,348 18.5% 5.1%
College diploma 1,229 16.9% -1.4%
Associate degree 397 5.4% -2.0%
Bachelor's degree 2,481 34.1% -4.4%
Graduate degree 1,697 23.3% -0.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sunset Hills

How much people earn in Sunset Hills

The average annual household income in Sunset Hills was $200,532 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.6% change from the previous year. At the same time, the median income stood at $138,144, reflecting a +3.2% shift over the same period.

Average household income in Sunset Hills
$200,532/year
4.6% year-over-year change
Median household income in Sunset Hills
$138,144/year
3.2% year-over-year change

Sunset Hills income by age

In Sunset Hills, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $207,819. Those with someone between 45 and 64 in charge, often well established professionally, earn $190,156 overall. Overall, 96.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $207,819 4.6%
45 - 64 $190,156 14.1%
Over 65 $97,292 -3.7%
Above poverty level
8,290
Below poverty level
322
Value Percent YoY
change
Above poverty level 8,290 96.3% -2.4%
Below poverty level 322 3.7% 79.9%

Average renter income in Sunset Hills

To get a better sense of what renters earn on average in Sunset Hills, their median household income was $67,463 according to 2022 Census data.

Renter median household income
$67,463
Rent-to-income ratio
0%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Sunset Hills

Workforce and job types in Sunset Hills

The job market in Sunset Hills is powered by 4,013 working residents, spread across a range of industries and roles. 89.7% of the working population are employed in professional or administrative positions, while 10.3% are in hands-on or service-based jobs. Also, 12.6% run their own businesses, 69.4% are employed by private companies, and 6.4% work in the public sector.

Workforce demographics

Working population
4,013
-5.2% year-over-year change
White collar
3,600
Blue collar
413
Value Percent YoY change
White collar 3,600 89.7% -3.7%
Blue collar 413 10.3% -16.7%
Employer type
Self employees
12.6%
Private companies
69.4%
Governmental workers
6.4%
Not for profit companies
11.6%
Value Percent YoY change
Self employees 504 12.6% -22.0%
Private companies 2,785 69.4% -4.3%
Governmental workers 259 6.4% 4.4%
Not for profit companies 465 11.6% 7.9%
Unemployment rate
4.1%
-19.4% year-over-year change

Available workforce

The unemployment rate in Sunset Hills stands at 4.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Sunset Hills

How people get around in Sunset Hills

In Sunset Hills, the average commute time is 21 minutes. Commuting methods vary: 79.9% of residents travel by personal vehicle and 1.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
21 min
Means of transportation
Value Percent YoY change
Car 3,192 79.9% -9.1%
Walk 53 1.3% -5.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sunset Hills by zipcode?

Zipcode Population Number of households Median income Average income
63127 5,268 2,149 $122,663 $178,169
63128 30,540 13,032 $92,359 $128,907

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FAQs about Sunset Hills demographics 

What is the total population of Sunset Hills?

Sunset Hills has a total population of 9,112 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.0% compared to a year ago.

What is the gender ratio in Sunset Hills?

The gender ratio in Sunset Hills is as follows:
  • 47.2% males (4,298 residents)
  • 52.8% females (4,814 residents)

What is the median age in Sunset Hills?

The median age in Sunset Hills is 51.1.

What is the age distribution of the population in Sunset Hills?

The age distribution in Sunset Hills is as follows:
  • Under 15: 15.5% (1,415 residents)
  • Ages 15-24: 12.1% (1,102 residents)
  • Ages 25-44: 15.8% (1,435 residents)
  • Ages 45-64: 27.4% (2,500 residents)
  • Over 65: 29.2% (2,660 residents)

What is the racial and ethnic makeup of Sunset Hills?

The racial and ethnic makeup of Sunset Hills is as follows:
  • White: 92.6% (8,434 residents)
  • Black or African American: 1.3% (121 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.4% (131 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (7 residents)
  • Two or More Races: 4.5% (409 residents)
  • Other: 0.1% (10 residents)

What percentage of the population in Sunset Hills are U.S.-born citizens?

U.S.-born citizens represent 96.9% of the population in Sunset Hills.

How many housing units are there in Sunset Hills?

There are 3,768 housing units in Sunset Hills, reflecting a -1.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sunset Hills and what is the average household size?

Sunset Hills has a total of 3,625 households, with an average of 2 people in each.

What is the median household income in Sunset Hills?

Sunset Hills has a median household income of $138,144, representing a +3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Sunset Hills?

The employment rate is 95.9% in Sunset Hills, with a workforce of 4,013 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 89.7% (3,600 residents)
  • Blue-collar workers: 10.3% (413 residents)

Places of employment:
  • Self-employed: 12.6% (504 residents)
  • Private companies: 69.4% (2,785 residents)
  • Governmental workers: 6.4% (259 residents)
  • Not-for-profit companies: 11.6% (465 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025