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CITY · 2020 ACS

Olney

Maryland · 35,820 residents · 16.182 sq mi
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The short version

Olney is significantly wealthier than the US average, with a median household income of $149,155. Population has held roughly steady since 2000. 64% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $524,700. Poverty is rare here, at 3.6% of residents. Households here earn about 71% more than the Maryland median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.0
US median: 38.8
More educated
64% hold a bachelor's degree
US average: 33%
Less affordable
home values up 44%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
35,820
+14%since 2000
from 31,438 in 2000
1990 – 2024
Median age
43.0
+17%since 2000
from 36.7 in 2000
US average: 38.8
Population, 1990 – 2024
22K26K30K33K37K1990201020202024Olney
202436K
1990201020202024
Age distribution, 2020
Under 55.3%(1,914)
US avg: 5.6%
5 to 96.7%(2,401)
US avg: 6.1%
10 to 147%(2,503)
US avg: 6.5%
15 to 196.8%(2,435)
US avg: 6.6%
20 to 245.4%(1,917)
US avg: 6.7%
25 to 349.1%(3,267)
US avg: 13.5%
35 to 4412.1%(4,347)
US avg: 12.7%
45 to 5413.8%(4,939)
US avg: 12.3%
55 to 6416.2%(5,791)
US avg: 13.1%
65 to 7410.8%(3,875)
US avg: 10%
75 to 844.9%(1,742)
US avg: 4.9%
85 and over1.9%(689)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$149,155
+5%inflation adjusted, since 2000
from $94,818 in 2000
US average: $66,278
1990 – 2024
Per capita income
$56,115
+59%since 2000
from $35,267 in 2000
US average: $35,364
Households earning $100K+
77.6%
+5.5 ptssince 2009
from 72.1% in 2009
US average: 43.9%
Poverty rate
3.6%
+1.0 ptssince 2000
from 2.6% in 2000
US average: 12.8%
Workforce by industry, 2020
Information8.4%
US avg: 11.1%
Other services7.1%
US avg: 6.6%
Wholesale trade5%
US avg: 6.7%
Public administration4.5%
US avg: 4.7%
Retail trade2.9%
US avg: 10%
Finance & insurance2.6%
US avg: 5.5%
Professional, scientific, technical2.5%
US avg: 4.7%
Arts, entertainment, food1.9%
US avg: 2%
Transportation & warehousing0.3%
US avg: 2.5%
Agriculture, forestry, fishing0.3%
US avg: 1.7%
Construction0.3%
US avg: 1.2%
Education & health services0%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$524,700
+44%inflation adjusted, since 2000
from $242,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$2,047
+22%inflation adjusted, since 2000
from $1,113 in 2000
US average: $1,124
Owner-occupied
88.3%
−2.7 ptssince 2000
from 91.0% in 2000
11.7% rent
Afford Score
3.5
−22%since 2009
from 4.5 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Olney on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic76.2%(23,949)
Black8.7%(2,734)
Hispanic / Latino5%(1,576)
Asian8%(2,520)
Other0%
2020
White, non-Hispanic58.8%(21,061)
Black12.2%(4,366)
Hispanic / Latino10.6%(3,803)
Asian12.6%(4,531)
Other5.4%(1,952)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Salvadoran1.9%(686)
Mexican1.1%(384)
Peruvian1%(357)
Colombian0.9%(319)
Puerto Rican0.9%(304)
Cuban0.6%(198)
Bolivian0.4%(145)
Ecuadorian0.3%(111)
Guatemalan0.3%(96)
Chilean0.2%(71)
+ 7 more hispanic origin groups with data
Spaniard0.2%(65)
Dominican0.2%(55)
Argentine0.1%(40)
Costa Rican0.1%(28)
Venezuelan0.1%(24)
Nicaraguan0.1%(23)
Asian origin
Korean2.7%(971)
Asian Indian2.6%(922)
Chinese2%(719)
Vietnamese1.5%(523)
Filipino1.1%(380)
Pakistani0.6%(226)
Taiwanese0.3%(106)
Cambodian0.3%(98)
Sri Lankan0.2%(84)
Bangladeshi0.2%(79)
Japanese0.1%(34)
Burmese0.1%(32)
+ 1 more asian origin group with data
Thai0.1%(22)
Ancestry
Irish13.7%(4,854)
German12.5%(4,403)
English9.2%(3,265)
Italian6.4%(2,278)
Polish4.3%(1,536)
Russian3.3%(1,171)
American3.2%(1,143)
West Indian2.2%(770)
Scottish1.6%(555)
Jamaican1.4%(507)
Greek1.3%(464)
+ 40 more ancestry groups with data
Dutch1.2%(435)
French1.1%(380)
Iranian1%(368)
Lithuanian0.9%(328)
Ethiopian0.9%(307)
Norwegian0.8%(298)
Welsh0.8%(275)
Ukrainian0.8%(269)
Scotch-Irish0.7%(248)
British0.7%(245)
Slovak0.6%(213)
Czech0.6%(208)
Swedish0.5%(193)
Hungarian0.5%(189)
Kenyan0.4%(145)
Portuguese0.4%(142)
Swiss0.3%(120)
Danish0.3%(111)
Belgian0.2%(82)
Canadian0.2%(75)
Nigerian0.2%(73)
Guyanese0.2%(70)
Israeli0.2%(67)
Finnish0.2%(64)
Austrian0.2%(60)
Palestinian0.1%(53)
Armenian0.1%(52)
Lebanese0.1%(49)
Brazilian0.1%(49)
Haitian0.1%(46)
Romanian0.1%(33)
Croatian0.1%(21)
Egyptian0%(16)
Moroccan0%(14)
Arab0%(12)
Syrian0%(12)
Ghanaian0%(11)
RANKED:Largest Irish population · Largest German population · Largest English population · Largest Italian population · Largest Polish population
Section 05

Education

Bachelor's degree or higher
64.1%
+7.9 ptssince 2000
from 56.2% in 2000
US average: 32.9%
High school or higher
95.5%
−0.2 ptssince 2000
from 95.7% in 2000
US average: 88.5%
Graduate degree
31.5%
+7.6 ptssince 2000
from 23.9% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
34.2 min
+26%since 2000
from 27.1 min in 2000
US average: 26.9
Drive alone to work
70.9%
−9.8 ptssince 2009
from 80.7% in 2009
US average: 75.1%
No vehicle available
2.0%
−0.1 ptssince 2009
from 2.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.1%
−1.8 ptssince 2011
from 4.9% in 2011
US average: 5.4%
Labor force participation
70.0%
−4.5 ptssince 2011
from 74.5% in 2011
US average: 63.4%
Management & professional
63.1%
−16.3 ptssince 2009
from 79.4% in 2009
US average: 39.3%
Section 08

People & community

Male
50.0%
+2.1 ptssince 2009
from 47.9% in 2009
Female
50.0%
−2.1 ptssince 2009
from 52.1% in 2009
Foreign born
20.4%
+6.1 ptssince 2009
from 14.3% in 2009
US average: 13.5%
Uninsured
2.9%
−91.5 ptssince 2013
from 94.4% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married30.4%(4,198)
Married63.4%(8,747)
Widowed0.8%(113)
Divorced5.3%(732)
Women 15+
Never married27%(4,044)
Married56.7%(8,489)
Widowed5.7%(852)
Divorced10.6%(1,589)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Olney, Maryland?

Olney, Maryland has about 35,820 residents according to the 2020 American Community Survey.

What is the median household income in Olney, Maryland?

The typical household in Olney, Maryland earns about $149,155 a year. Half of households make more than that, and half make less.

Is Olney, Maryland expensive?

In Olney, Maryland, the median home is worth about $524,700, and the typical rent is about $2,047 a month.

How educated are people in Olney, Maryland?

About 64.1% of adults age 25 and over in Olney, Maryland hold a bachelor's degree or higher.

What is the poverty rate in Olney, Maryland?

About 3.6% of people in Olney, Maryland live below the federal poverty line.

Has Olney, Maryland grown since 1990?

Yes, Olney, Maryland has grown since 1990. The population has added about 12,801 residents, a change of about 56 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 →