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Brentwood, Missouri Demographics & Population 2026

During the 2020–2024 ACS period, Brentwood, Missouri had a total population of 8,144, the 107th largest city in Missouri, with a median household income of $99,719, which is 41% higher than the state average. The poverty rate is 5.1%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Brentwood Quick Facts

Population 8,144
Median Household Income $99,719
Median Home Value $299,700
Poverty Rate 5.1%
Unemployment Rate 2.4%
Median Age 38.8 years
Homeownership Rate 63.0%
Affordability Ratio 3.0x
Bachelor's Degree or Higher 74.4%
High School Graduation Rate 98.6%
Diversity Index 38/100
Population 8,144 107th of 1,062
Median Income $99,719 top 10%
Poverty Rate 5.1% 59% lower than national
Median Home Value $299,700 top 10%

How Brentwood Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population8,1518,144-0.1%
Median household income$86,641$99,719+15.1%
Median home value$276,100$299,700+8.5%

How Brentwood Compares

Economy & Housing

Household Income Distribution

Under $25K 8.3%
$25K-$50K 13.9%
$50K-$100K 27.9%
$100K+ 49.9%
Detailed income brackets
Under $10K
2.2%
$10K-$15K
2.7%
$15K-$20K
0.2%
$20K-$25K
3.2%
$25K-$30K
3.1%
$30K-$35K
1.9%
$35K-$40K
4.7%
$40K-$45K
2.6%
$45K-$50K
1.7%
$50K-$60K
3.7%
$60K-$75K
8.9%
$75K-$100K
15.3%
$100K-$125K
15.5%
$125K-$150K
7.4%
$150K-$200K
9.5%
$200K+
17.5%

Employment

2.4% Unemployment Rate State: 4.0%|National: 5.2%
73.4% Labor Force Participation

Housing Overview

Owner 63.0%
Renter 37.0%
Affordability Index Affordable
3.0x home value to income ratio
Median gross rent $1,439/mo 17.3% of median household income annually

People & Demographics

Diversity Index

38out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 40 | National average: 61

Education

Brentwood Rankings in Missouri

#107 Population of 1,062
#88 Median Income of 955
#15 Education of 1,062
#84 Home Value of 941

Other Cities in St. Louis County

CityPopulationMedian IncomePovertyHome Value
Florissant 51,773 $65,318 10.1% $148,800
Chesterfield 49,574 $133,037 3.9% $472,500
Oakville 35,333 $106,362 6.4% $318,600
Wildwood 35,133 $161,060 2.2% $495,800
University City 34,685 $80,694 14.5% $306,700
Ballwin 31,279 $124,626 4.8% $377,100
Mehlville 29,805 $67,071 7.8% $218,400
Kirkwood 29,363 $121,270 5.3% $451,400
Maryland Heights 27,880 $86,436 4.7% $227,000
Hazelwood 25,114 $55,908 15.9% $167,400

Cities Similar to Brentwood

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Pleasant Hill8,847$95,602$278,40031.7%6.0%
Carl Junction8,339$82,879$218,30042.6%8.4%
Olivette8,645$111,660$460,80070.3%4.3%
Richmond Heights9,153$94,460$358,70076.6%5.5%
Murphy8,285$72,233$184,70022.4%10.2%

Population Overview

Brentwood is a small city located in Missouri, within St. Louis County. The total population is 8,144. It ranks as the 107th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Brentwood is 38.8 years. This is about the same as the state median of 39.0 years.

Economy, Income & Housing

The median household income in Brentwood is $99,719. This is 41% higher than the state median of $70,702. It is also 24% higher than the national median of $80,734. The poverty rate stands at 5.1%. This is 60% lower than the state poverty rate of 12.6%. The unemployment rate is 2.4%. This is 41% lower than the state rate of 4.0%. The median home value is $299,700. Housing costs are 30% higher than the state median of $230,300. The home-value-to-income ratio is 3.0x. 63.0% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 68.1%.

Race & Ethnicity

The largest racial or ethnic group in Brentwood is White (non-Hispanic), making up 77.9% of the population. Asian residents account for 7.1%. The Black or African American population (2.9%) is well below the state average of 10.9%. The Hispanic or Latino population (1.4%) is well below the state average of 5.2%. The Asian population is significantly higher than the state average (7.1% vs 2.1%).

Education

74.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Brentwood in the top 10% of all cities in the state for educational attainment. This is 130% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.6%. Notably, 40.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Brentwood, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Brentwood, Missouri?

Brentwood, Missouri has a population of 8,144 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Brentwood, MO?

The median household income in Brentwood is $99,719, which is 24% higher than the national median of $80,734.

What is the poverty rate in Brentwood, MO?

The poverty rate in Brentwood is 5.1%. This means approximately 406 residents live below the federal poverty line.

What is the racial makeup of Brentwood, Missouri?

Brentwood's population is 77.9% White, 2.9% Black, 1.4% Hispanic/Latino, and 7.1% Asian.

What is the median home value in Brentwood, MO?

The median home value in Brentwood is $299,700. The home-value-to-income ratio is 3.0x.

How educated is Brentwood, Missouri?

74.4% of adults (25+) in Brentwood hold a bachelor's degree or higher, and 40.2% hold a graduate or professional degree.