20832 ZIP Code — Olney, MD

Montgomery County, Maryland

ZIP code 20832 is located in Olney, Maryland, within Montgomery County. It covers approximately 9.61 square miles and serves a population of 25,488 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 20832

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $572,800. Owner-occupancy is high at 88%, well above the national average.

The gap between median ($160,287) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 24% of workers work from home.

Educational attainment is high — 63% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20832 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

25,488

population

9.61

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20832 ZIP code map

Cities in ZIP code 20832

Below are the cities the US Postal Service accepts for ZIP code 20832. Using any city not on this list may result in mail delivery delays.

City	Status
Olney	Preferred

Nearby ZIP codes

20860 Sandy Spring (2.3 mi) 20853 Rockville (3.4 mi) 20855 Derwood (3.6 mi) 20861 Ashton (4.3 mi) 20897 Suburb Maryland Fac (4.5 mi) 20906 Silver Spring (4.6 mi) 20833 Brookeville (4.9 mi) 20905 Silver Spring (5 mi) 20905 Silver Spring (5 mi) 20777 Highland (5.6 mi) 20851 Rockville (5.7 mi) 20868 Spencerville (5.9 mi)

Demographics updated 06/2026

Population
Total population	25,488
Population density	2,652 / sq mi
State FIPS	24
County FIPS	031

Geography
Land area	9.61 sq mi
Water area	0.02 sq mi
Latitude	39.1511
Longitude	-77.0719
Timezone	Eastern (ET)
Area code	240/301

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.3%	20.6%	28.2%
$50k – $100k	21.7%	24.2%	28.2%
$100k – $200k	35.7%	31.9%	30.1%
Over $200k	29.3%	23.3%	13.4%

Demographics & statistics

25,488

Population

2,652

People per sq mi

41.2

Median age

$160,287

Median household income

$64,750

Per capita income

$572,800

Median home value

$2,179

Median monthly rent

87.5%

Home ownership

3.1%

Poverty rate

3.6%

Unemployment

7,590

Housing units

62.6%

Bachelor's or higher

Age distribution

Male Female

737

Under 5

756

984

5–9

1,011

1,008

10–14

1,034

818

15–19

840

651

20–24

668

1,088

25–34

1,117

1,688

35–44

1,734

1,832

45–54

1,881

895

55–59

918

883

60–64

907

1,232

65–74

1,265

619

75–84

636

141

85+

145

← Male

Female →

Age summary

Group	Count	%
Under 18	6,719	26.4%
18 and over	18,769	73.6%
65 and over	4,038	15.8%
Median age	41.2 years

Race & ethnicity

White 55.8%

Asian 12.1%

Black or African American 11.8%

Hispanic or Latino 8.2%

Two or more races 8%

Other race 3.7%

American Indian / Alaska Native 0.3%

Group	Count	%
White	15,498	55.8%
Asian	3,361	12.1%
Black or African American	3,283	11.8%
Hispanic or Latino	2,262	8.2%
Two or more races	2,224	8%
Other race	1,039	3.7%
American Indian / Alaska Native	83	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.3%	20.6%	28.2%
$50k – $100k	21.7%	24.2%	28.2%
$100k – $200k	35.7%	31.9%	30.1%
Over $200k	29.3%	23.3%	13.4%

Under $10k 1.6%

$10k–$15k 1.7%

$15k–$25k 3.1%

$25k–$35k 2.2%

$35k–$50k 3.8%

$50k–$75k 7.2%

$75k–$100k 6.8%

$100k–$150k 19.0%

$150k–$200k 17.7%

$200k+ 36.9%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.7%
$15k–$25k	3.1%
$25k–$35k	2.2%
$35k–$50k	3.8%
$50k–$75k	7.2%
$75k–$100k	6.8%
$100k–$150k	19.0%
$150k–$200k	17.7%
$200k+	36.9%
Median income	$160,287

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.9%

$100k–$150k 0.2%

$150k–$200k 1.6%

$200k–$300k 6.1%

$300k–$500k 28.1%

$500k–$1M 58.4%

$1M+ 4.1%

Housing overview

Metric	Value
Median home value	$572,800
Median rent / month	$2,179
Owner occupied	87.5%
Renter occupied	12.5%
Vacant	2.0%
Single-family detached	59.7%
Large apartment buildings	2.4%
Mobile homes	0.0%
Median rooms	7.8
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.6%
2010–2019	3.9%
2000–2009	7.5%
1990–1999	22.5%
1980–1989	37.4%
1970–1979	19.9%
1960–1969	4.7%
1950–1959	2.0%
1940–1949	0.6%
1939 or earlier	0.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.5%
2 bedrooms	9.0%
3 bedrooms	36.5%
4 bedrooms	40.1%
5+ bedrooms	12.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	20.8%
2 vehicles	50.8%
3 or more	26.4%

Heating fuel

Fuel type	%
Utility gas	59.9%
Electricity	34.4%
Propane / LP gas	2.4%
Fuel oil	2.1%
Wood	0.5%
Solar	0.2%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	5,776	68.2%
Cohabiting couple	232	2.7%
Male householder, no spouse	545	6.4%
Female householder, no spouse	1,917	22.6%
Households with children under 18	3,559	42.0%
Households with seniors (65+)	2,649	31.3%
Average household size	3.00

Marital status

Status	Male	Female
Never married	29.7%	25.1%
Married	65.1%	55.9%
Separated	1.2%	1.5%
Widowed	0.7%	7.0%
Divorced	3.3%	10.5%

Education

Less than 9th grade 2.0%

Some HS, no diploma 2.6%

HS graduate 13.4%

Some college, no degree 14.1%

Associate's degree 5.3%

Bachelor's degree 33.2%

Graduate / professional 29.4%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	62.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	591	7.9%
Kindergarten	358	4.8%
Elementary school	3,204	42.6%
High school	1,710	22.7%
College / grad school	1,660	22.1%

Employment

Industry of employment

Professional & management 23.0%

Education & healthcare 21.1%

Public administration 13.5%

Arts, food & hospitality 8.0%

Finance & real estate 7.1%

Retail trade 6.7%

Construction 6.1%

Other services 5.6%

Manufacturing 3.5%

Information 2.4%

Transportation & utilities 2.1%

Wholesale trade 0.7%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	63.1%
Service	11.1%
Sales & office	17.0%
Natural resources & construction	4.8%
Production & transportation	4.0%

Employment type

Type	%
Private sector	68.5%
Government	25.2%
Self-employed	5.8%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	63.3%
Carpool	6.4%
Public transit	3.3%
Walk	2.3%
Work from home	24.2%
Other means	0.6%
Avg commute (minutes)	33.7

Poverty

All people 3.1%

Under 18 years 2.7%

18 and over 3.2%

Married-couple families 1.6%

Female-led households 3.1%

Income support

Source	% of households
Social Security	26.1%
Retirement income	24.2%
Supplemental Security	2.6%
Cash public assistance	2.5%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	20.5%
High blood pressure	26.3%
High cholesterol	33.4%
Diabetes	7.2%
Heart disease	4.2%
Stroke	2.0%
Asthma	8.1%
Arthritis	18.1%
Kidney disease	2.1%
Pulmonary disease	3.7%
Cancer	5.9%

Behavior / access	%
Smoking	8.4%
Binge drinking	13.6%
No physical activity	14.1%
Less than 7 hrs sleep	28.6%
Depression	16.1%
Fair or poor health	7.6%
Poor mental health	11.1%
Poor physical health	5.9%
No health insurance	8.5%
Visited doctor (checkup)	72.8%
Visited dentist	74.1%
Cholesterol screening	94.1%
Teeth loss	5.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	799	4.3%

Disability	%
Any disability	10.3%
Under 18	9.5%
18–64 years	6.5%
65 and over	25.5%

Health insurance coverage

Type	%
Private insurance	87.6%
Public insurance	24.0%
No insurance	2.7%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,995	94.1%
Spanish	1,922	8.0%
Other Indo-European	595	2.5%
Asian & Pacific Islander	346	1.4%
Other languages	667	2.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,647	77.1%
Born in same state	19,005	74.6%
Born in different state	9,157	35.9%
Foreign born	642	2.5%
Naturalized citizen	5,841	22.9%
Not a US citizen	4,234	72.5%

Ancestry

Ancestry	Count	%
Italian	2,834	11.1%
French	2,155	8.5%
Arab	1,141	4.5%
Polish	235	0.9%
Norwegian	169	0.7%

Ancestry	Count	%
Irish	155	0.6%
English	120	0.5%
German	64	0.3%
Dutch	42	0.2%

Technology access

Metric	% of households
Computer access	33.2%
Internet access	97.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20832

What city is ZIP code 20832 in?

ZIP code 20832 is primarily assigned to Olney, Maryland.

What county is ZIP code 20832 in?

ZIP code 20832 falls within Montgomery County, Maryland.

How educated is the population of ZIP code 20832?

63% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 20832 mostly owner-occupied?

88% of occupied units in ZIP code 20832 are owner-occupied, well above the national average.

What is the median household income in ZIP code 20832?

The median household income in ZIP code 20832 is $160,287, above the national median of ~$75,000.

What is the typical home value in ZIP code 20832?

The median home value in ZIP code 20832 is $572,800.

What timezone is ZIP code 20832 in?

ZIP code 20832 observes the EST timezone.