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CITY · 2000 CENSUS

Clayton

Missouri · 12,825 residents · 2.507 sq mi
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The short version

Clayton is significantly wealthier than the US average, with a median household income of $64,184. Population has declined 8% since 1990. 70% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has risen by half since 1990, reaching $392,500. Households here earn about 69% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.7
US median: 35.2
More educated
70% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
12,825
−8%since 1990
from 13,874 in 1990
1990 – 2025
Population density
5,116 / sq mi
−8%since 1990
from 5,534 / sq mi in 1990
US average: 242
Median age
36.7
+23%since 1990
from 29.9 in 1990
US average: 35.2
Population, 1990 – 2024
12K14K15K16K18K1990201020202024Clayton
202417K
1990201020202024
Section 02

Income & economy

Median household income
$64,184
+10%inflation adjusted, since 1990
from $44,218 in 1990
US average: $42,589
1990 – 2024
Per capita income
$48,055
+54%since 1990
from $31,122 in 1990
US average: $21,522
Poverty rate
7.7%
+3.1 ptssince 1990
from 4.6% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$392,500
+15%inflation adjusted, since 1990
from $259,800 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$708
+3%inflation adjusted, since 1990
from $521 in 1990
US average: $602
Owner-occupied
55.2%
+5.3 ptssince 1990
from 49.9% in 1990
44.8% rent
Afford Score
6.1
+4%since 1990
from 5.9 in 1990
1990 – 2024
RELATED:See current rent listings in Clayton on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic90.7%(12,587)
Black3.3%(463)
Hispanic / Latino2%(283)
Asian5.4%(746)
Diversity Score25.7%(3,559)
2000
White, non-Hispanic83.7%(10,740)
Black7.8%(996)
Hispanic / Latino1.5%(191)
Asian5.6%(721)
Diversity Score33.7%(4,317)
Diversity Score
34
+31%since 1990
from 26 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
69.7%
+2.7 ptssince 1990
from 67.0% in 1990
US average: 24.4%
High school or higher
96.5%
+0.1 ptssince 1990
from 96.4% in 1990
US average: 80.3%
Graduate degree
36.3%
+3.6 ptssince 1990
from 32.8% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
10.2 min
−38%since 1990
from 16.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Clayton

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Pop 19,291
Palm Valley
Pop 19,796
Bradfordville
Pop 18,953
Glasgow
Pop 15,546
Places similar to Clayton
Head to head

Compare Clayton to nearby cities

CLAYTON VS
Richmond Heights
Income$94,460+47%
Home value$358,700−9%
Population9,093−49%
SEE FULL COMPARISON →
CLAYTON VS
University City
Income$80,694+26%
Home value$306,700−22%
Population34,657+95%
SEE FULL COMPARISON →
CLAYTON VS
Brentwood
Income$99,719+55%
Home value$299,700−24%
Population8,079−55%
SEE FULL COMPARISON →
CLAYTON VS
Maplewood
Income$65,125+1%
Home value$237,000−40%
Population8,033−55%
SEE FULL COMPARISON →
Frequently asked

How many people live in Clayton, Missouri?

Clayton, Missouri has about 12,825 residents according to the 2000 Census.

What is the median household income in Clayton, Missouri?

The typical household in Clayton, Missouri earns about $64,184 a year. Half of households make more than that, and half make less.

Is Clayton, Missouri expensive?

In Clayton, Missouri, the median home is worth about $392,500, and the typical rent is about $708 a month.

How educated are people in Clayton, Missouri?

About 69.7% of adults age 25 and over in Clayton, Missouri hold a bachelor's degree or higher.

What is the poverty rate in Clayton, Missouri?

About 7.7% of people in Clayton, Missouri live below the federal poverty line.

Has Clayton, Missouri grown since 1990?

Yes, Clayton, Missouri has shrunk since 1990. The population has lost about 1,049 residents, a change of about -8 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →