Zip Code 20832
Olney, Maryland — Montgomery County
📍 ZIP code 20832 is in Olney, Montgomery County, Maryland.
ZIP code 20832 is located in Olney, Montgomery County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 25,766. The area code for ZIP code 20832 is 301.
Quick Answer
Zip code 20832 is in Olney, Maryland (Montgomery County). It has a population of 25,766, median household income of $166,892, and median home value of $601,300.
Population
25,766
Income
$166,892
Home Value
$601,300
Climate
87°F / 27°F
About Zip Code 20832
Zip code 20832 is located in Olney, Maryland, within Montgomery County. Home to approximately 25,766 residents, this area sits at an elevation of 471 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $166,892 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $601,300, and the cost of living index is 208 (108% above the national average of 100).
Summers average a high of 87°F while winters drop to 27°F. The area receives about 41 in of rain and 9 in of snow annually. The zip code covers 10.1 square miles of land area.
Key Statistics
25,766
$166,892
$601,300
Eastern (EST/EDT)
301
471 ft
10.1 sq mi
40.9
8,581
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Compare With Nearby Zip Codes
| Metric | 20832 | 20860 | 20855 | 20853 | 20862 | 20833 |
|---|---|---|---|---|---|---|
| City | Olney, MD | Ashton, MD | Derwood, MD | Rockville, MD | Ashton, MD | Brookeville, MD |
| Population | 25,766 | 2,062 | 16,557 | 31,438 | 393 | 7,868 |
| Median Income | $166,892 | $152,768 | $147,708 | $157,168 | $242,721 | $203,631 |
| Home Value | $601,300 | $665,000 | $614,900 | $605,800 | $804,200 | $762,200 |
| Cost of Living | 208 | 234 | 206 | 200 | 250 | 250 |
| Median Age | 40.9 | 49.8 | 41.8 | 41.9 | 63.4 | 47.5 |
Cost of Living
100 = National Average. Olney's cost of living is 108% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.6x
Demographics
Zip code 20832 has a population of 25,766 people with a median age of 40.9. There are 8,581 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Olney (20832) population trend from 2010 to 2024
↓ -11.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
27°F
41 in
9 in
Olney experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 27°F. The area receives about 9 in of snow per year.
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Housing & Economy
Median Home Value
$601,300
Median Household Income
$166,892
With 8,581 housing units across 10.1 square miles, 20832 has a housing density of 850 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
39.1503°
Longitude
-77.0783°
Land Area
10.1 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 20832 (Olney, MD) with distances:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20832's $166,892. A way to compare Olney to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20832 (Olney, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Olney, Maryland?
Olney, Maryland uses zip code 20832.
What county is zip code 20832 in?
Zip code 20832 is located in Montgomery County, Maryland.
What is the population of zip code 20832?
The population of zip code 20832 is 25,766 with a median age of 40.9.
Is 20832 in Olney, Maryland?
Yes, zip code 20832 is in Olney, Montgomery County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 20832 in?
Zip code 20832 is in Olney, Maryland. It is part of Montgomery County and uses the Eastern (EST/EDT) timezone.
What is zip code 20832?
Zip code 20832 is a U.S. postal code in Olney, Maryland (Montgomery County). It has a population of 25,766 and covers 10.1 square miles.
What is the population of zip code 20832?
The population of zip code 20832 (Olney, MD) is 25,766 with a median age of 40.9. There are approximately 8,581 housing units in this area.
What is the median income in zip code 20832?
The median household income in zip code 20832 (Olney, MD) is $166,892 per year. The cost of living index is 208 (100 = national average).
What is the average home price in zip code 20832?
The median home value in zip code 20832 (Olney, MD) is $601,300. The cost of living index is 208 compared to the national average of 100.
What county is zip code 20832 in?
Zip code 20832 is located in Montgomery County, Maryland. The primary city is Olney.
What is the area code for zip code 20832?
Zip code 20832 in Olney, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20832 a good place to live?
Zip code 20832 (Olney, MD) has a cost of living index of 208 (100 = national average), a median household income of $166,892, and median home values of $601,300. The median age is 40.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20832?
The cost of living index for zip code 20832 (Olney, MD) is 208, where 100 represents the national average. This area is above the national average. Median home value: $601,300.
What schools serve zip code 20832?
Zip code 20832 in Olney, Maryland is served by the local school district of Montgomery County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.