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CITY · 2000 CENSUS

Upper Marlboro

Maryland · 648 residents · 1.42 sq mi
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The short version

Upper Marlboro is a city of 648 people in Maryland. Poverty is uncommon here, at 1.4% of people here. Getting to work takes 30 minutes on average. 78% of homes are owner-occupied. Renters pay $904 a month at the median. There are 225 fewer people here than in 1990.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.6
US median: 35.2
More educated
28% hold a bachelor's degree
US average: 24%
More affordable
home values down 16%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

648
−26%since 1990
from 873 in 1990
1990 – 2025
36.6
+19%since 1990
from 30.7 in 1990
US average: 35.2
Land area
1.42 sq mi
Population, 19902024
59667174782389819902000201020202024Upper Marlboro
2024683
1990201020202024
Age distribution, 2000
Under 55.9%(38)
US avg: 6.8%
5 to 96.6%(43)
US avg: 7.3%
10 to 147.1%(46)
US avg: 7.3%
15 to 195.7%(37)
US avg: 7.2%
20 to 245.6%(36)
US avg: 6.7%
25 to 3415.7%(102)
US avg: 14.2%
35 to 4420.5%(133)
US avg: 16%
45 to 5415.4%(100)
US avg: 13.4%
55 to 647.7%(50)
US avg: 8.6%
65 to 745.7%(37)
US avg: 6.5%
75 to 842.9%(19)
US avg: 4.4%
85 and over1.1%(7)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$52,813
−19%inflation adjusted, since 1990
from $49,250 in 1990
US average: $42,589
1990 – 2024
$28,892
+49%since 1990
from $19,402 in 1990
US average: $21,522
1.4%
−0.5 ptssince 1990
from 1.9% in 1990
US average: 12.4%
Section 03

Housing

$122,200
−16%inflation adjusted, since 1990
from $110,200 in 1990
US average: $120,530
1990 – 2024
$904
−19%inflation adjusted, since 1990
from $849 in 1990
US average: $602
77.7%
+10.2 ptssince 1990
from 67.6% in 1990
22.3% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic76.7%(670)
Black21.5%(188)
Hispanic / Latino0.5%(4)
Asian0%(0)
2000
White, non-Hispanic50.9%(330)
Black44.8%(290)
Hispanic / Latino1.5%(10)
Asian0.9%(6)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Puerto Rican2.9%(20)
Argentine0.4%(3)
Ancestry
English7%(48)
Irish6.4%(44)
German5.4%(37)
Italian4.8%(33)
Polish4.8%(33)
Scottish2%(14)
American1.8%(12)
Norwegian1.6%(11)
Nigerian0.6%(4)
+ 4 more ancestry groups with data
Section 05

Education

28.2%
+2.8 ptssince 1990
from 25.4% in 1990
US average: 24.4%
High school or higher
93.6%
+2.8 ptssince 1990
from 90.8% in 1990
US average: 80.3%
8.5%
−0.5 ptssince 1990
from 9.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

29.5 min
+18%since 1990
from 25.1 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.

Marital status
Men 15+
Never married31.6%(68)
Married51.2%(110)
Widowed3.3%(7)
Divorced14%(30)
Women 15+
Never married33.5%(95)
Married37.3%(106)
Widowed11.3%(32)
Divorced18%(51)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

4.3%
−8.2 ptssince 2013
from 12.5% in 2013
US average: 8.4%
76.2%
−0.3 ptssince 2020
from 76.5% in 2020
US average: 54.8%
Direct-purchase
9.0%
−1.8 ptssince 2020
from 10.8% in 2020
US average: 13.8%
10.3%
+4.3 ptssince 2020
from 6.0% in 2020
US average: 18.4%
15.5%
+6.3 ptssince 2020
from 9.2% in 2020
US average: 20.9%
VA health care
3.3%
+0.6 ptssince 2020
from 2.7% in 2020
US average: 2.2%
Any private
80.4%
−8.2 ptssince 2020
from 88.6% in 2020
US average: 67.1%
Any public
25.9%
+10.4 ptssince 2020
from 15.5% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)26.3%(10)
US avg: 26.4%
Gulf War (1990s)18.4%(7)
US avg: 24.3%
Vietnam era18.4%(7)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 38 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Upper Marlboro, Maryland?

Upper Marlboro, Maryland has about 648 residents according to the 2000 Census.

What is the median household income in Upper Marlboro, Maryland?

The typical household in Upper Marlboro, Maryland earns about $52,813 a year. Half of households make more than that, and half make less.

Is Upper Marlboro, Maryland expensive?

In Upper Marlboro, Maryland, the median home is worth about $122,200, and the typical rent is about $904 a month.

How educated are people in Upper Marlboro, Maryland?

About 28.2% of adults age 25 and over in Upper Marlboro, Maryland hold a bachelor's degree or higher.

What is the poverty rate in Upper Marlboro, Maryland?

About 1.4% of people in Upper Marlboro, Maryland live below the federal poverty line.

Has Upper Marlboro, Maryland grown since 1990?

Yes, Upper Marlboro, Maryland has shrunk since 1990. The population has lost about 225 residents, a change of about -26 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 →