Checked
Olney, MD
Census-designated place in Montgomery County, Maryland. ZIP codes: 20832, 20853, 20860, 20906.
Population
35,797
Land area
16.2sq mi
People per sq mi
2,212
ZIP codes
4
Olney and its ZIP codes
Olney at a glance
- Olney is about 3.5 times as dense as Maryland as a whole.
- By population, it ranks 31st among 527 cities and towns in Maryland.
- The median household income is $171,458, 65% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $656,600 (56% above Maryland) and median rent is $2,404 a month.
Local data for Olney, MD
Counts from official public data
Housing and community stats
Olney, MD, American Community Survey 2020-2024
Median household income
$171,458
Poverty rate
4.3%
Median home value
$656,600
Median rent
$2,404/mo
Homeownership
89.2%
Bachelor's or higher
65.0%
Median age
41.6
Average commute
31.8 min
Largest reported origins and ancestries: Irish Americans (3,942), German Americans (3,907), Italian Americans (2,877).
Economy and federal money
Jobs, pay, income and spending are for Montgomery County. PPP loans are for Olney.
Unemployment rate
3.5%
Aug 2026, -0.7 pts in a year
Average annual pay
$96,368
456,358 jobs, 2025
Income per person
$104,882
BEA, 2024
Federal spending
$17.2B
FY 2026, $16,210 per person
PPP loans
$48.1M
717 loans, 5,246 jobs reported
How people get to work
Olney, MD, workers 16 and older. American Community Survey 5-year estimates
- Drove alone57.4%
- Carpooled5.7%
- Public transit1.9%
- Walked1.9%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.0%
- Worked from home32.1%
Average one-way commute: 31.8 minutes for people who do not work from home.
Environment and hazard risk
Olney, MD, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,849
Countywide, mostly thunderstorm wind
Flood insurance policies
2,029
0.8% of homes, county
July high / Jan low
87° / 27°F
41.3 inches of rain a year
Health statistics
Share of adults in Olney, MD, CDC PLACES estimates
Obesity
25.0%
U.S. 33.3% -8.3 pts
Diabetes
9.9%
U.S. 12.1% -2.2 pts
Smoking
6.6%
U.S. 12.8% -6.2 pts
Uninsured (18-64)
5.9%
U.S. 11.1% -5.2 pts
ZIP codes in Olney
4 in or overlapping Olney. Population shown
Cities near Olney
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BrookevilleTown | 2.4 mi | 0.1 |
| Leisure WorldCensus-designated place | 3.2 mi | 1.1 |
| Ashton-Sandy SpringCensus-designated place | 3.5 mi | 10.3 |
| Aspen HillCensus-designated place | 4 mi | 9.5 |
| CloverlyCensus-designated place | 4 mi | 10.1 |
| RedlandCensus-designated place | 4.1 mi | 7.2 |
| LayhillCensus-designated place | 4.5 mi | 1.6 |
| DerwoodCensus-designated place | 4.7 mi | 0.6 |
| SpencervilleCensus-designated place | 5.2 mi | 1.6 |
| Washington GroveTown | 5.4 mi | 0.3 |
| LaytonsvilleTown | 5.5 mi | 1 |
| GlenmontCensus-designated place | 5.6 mi | 2.8 |
| RockvilleCity | 6.2 mi | 13.6 |
| Flower HillCensus-designated place | 6.3 mi | 2.1 |
| GaithersburgCity | 6.5 mi | 10.3 |
| ColesvilleCensus-designated place | 6.5 mi | 5.1 |
Frequently asked questions
- What county is Olney, MD in?
- Olney is in Montgomery County, Maryland.
- What ZIP codes are in Olney, MD?
- ZIP codes in or overlapping Olney include 20832, 20853, 20860, 20906.
- What is the population of Olney, MD?
- About 35,797 people live in Olney, based on American Community Survey 5-year estimates.
- What cities are near Olney?
- Nearby places include Brookeville (2.4 mi), Leisure World (3.2 mi), Ashton-Sandy Spring (3.5 mi), Aspen Hill (4 mi), Cloverly (4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023