20833 ZIP Code — Brookeville, MD

Montgomery County, Maryland

ZIP code 20833 is located in Brookeville, Maryland, within Montgomery County. It covers approximately 19.11 square miles and serves a population of 7,949 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 20833

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $749,600. Owner-occupancy is high at 94%, well above the national average.

Median household income is $195,564. The poverty rate of 7% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.

Educational attainment is high — 67% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20833 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

7,949

population

19.11

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20833 ZIP code map

Cities in ZIP code 20833

Below are the cities the US Postal Service accepts for ZIP code 20833. Using any city not on this list may result in mail delivery delays.

City	Status
Brookeville	Acceptable
Brookeville	Preferred

Nearby ZIP codes

21036 Dayton (2.8 mi) 21737 Glenelg (3.4 mi) 21738 Glenwood (4.5 mi) 20882 Gaithersburg (4.7 mi) 20832 Olney (4.9 mi) 20860 Sandy Spring (5.1 mi) 20777 Highland (5.4 mi) 21029 Clarksville (5.7 mi) 20861 Ashton (6.1 mi) 21794 West Friendship (6.6 mi) 20855 Derwood (7.1 mi) 20879 Gaithersburg (7.5 mi)

Demographics updated 05/2026

Population
Total population	7,949
Population density	416 / sq mi
State FIPS	24
County FIPS	031

Geography
Land area	19.11 sq mi
Water area	0.65 sq mi
Latitude	39.2209
Longitude	-77.0561
Timezone	Eastern (ET)
Area code	240/301

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.2%	20.6%	28.2%
$50k – $100k	14.2%	24.2%	28.2%
$100k – $200k	37.7%	31.9%	30.1%
Over $200k	36.8%	23.3%	13.4%

Demographics & statistics

7,949

Population

416

People per sq mi

46.6

Median age

$195,564

Median household income

$65,417

Per capita income

$749,600

Median home value

$2,040

Median monthly rent

94.2%

Home ownership

7.4%

Poverty rate

3.4%

Unemployment

2,515

Housing units

66.7%

Bachelor's or higher

Age distribution

Male Female

119

Under 5

117

168

5–9

166

308

10–14

305

527

15–19

521

199

20–24

197

289

25–34

286

310

35–44

306

673

45–54

666

312

55–59

308

333

60–64

329

442

65–74

437

239

75–84

237

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,999	25.1%
18 and over	5,950	74.9%
65 and over	1,510	19.0%
Median age	46.6 years

Race & ethnicity

White 61.4%

Two or more races 10.1%

Black or African American 9.3%

Asian 8.9%

Hispanic or Latino 6.5%

Other race 3.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	5,226	61.4%
Two or more races	858	10.1%
Black or African American	790	9.3%
Asian	756	8.9%
Hispanic or Latino	556	6.5%
Other race	290	3.4%
American Indian / Alaska Native	29	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.2%	20.6%	28.2%
$50k – $100k	14.2%	24.2%	28.2%
$100k – $200k	37.7%	31.9%	30.1%
Over $200k	36.8%	23.3%	13.4%

Under $10k 2.8%

$10k–$15k 0.1%

$15k–$25k 3.4%

$25k–$35k 0.6%

$35k–$50k 3.5%

$50k–$75k 4.8%

$75k–$100k 8.6%

$100k–$150k 13.4%

$150k–$200k 14.3%

$200k+ 48.5%

Range	% of households
Under $10k	2.8%
$10k–$15k	0.1%
$15k–$25k	3.4%
$25k–$35k	0.6%
$35k–$50k	3.5%
$50k–$75k	4.8%
$75k–$100k	8.6%
$100k–$150k	13.4%
$150k–$200k	14.3%
$200k+	48.5%
Median income	$195,564

Housing

Home values

Under $50k 1.1%

$150k–$200k 0.3%

$200k–$300k 0.8%

$300k–$500k 4.9%

$500k–$1M 71.1%

$1M+ 21.8%

Housing overview

Metric	Value
Median home value	$749,600
Median rent / month	$2,040
Owner occupied	94.2%
Renter occupied	5.8%
Vacant	1.9%
Single-family detached	91.4%
Large apartment buildings	0.8%
Mobile homes	1.5%
Median rooms	8.4
Avg household size (owned)	3.03

Year built

Era	%
2020 or later	0.0%
2010–2019	2.7%
2000–2009	13.3%
1990–1999	28.5%
1980–1989	9.0%
1970–1979	34.6%
1960–1969	4.0%
1950–1959	2.4%
1940–1949	1.7%
1939 or earlier	3.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	0.0%
2 bedrooms	4.8%
3 bedrooms	18.0%
4 bedrooms	53.2%
5+ bedrooms	23.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	17.2%
2 vehicles	43.7%
3 or more	38.5%

Heating fuel

Fuel type	%
Utility gas	43.9%
Electricity	22.8%
Propane / LP gas	9.6%
Fuel oil	21.2%
Wood	1.1%
Solar	0.3%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,852	70.8%
Cohabiting couple	22	0.8%
Male householder, no spouse	230	8.8%
Female householder, no spouse	511	19.5%
Households with children under 18	1,044	39.9%
Households with seniors (65+)	968	37.0%
Average household size	3.02

Marital status

Status	Male	Female
Never married	29.3%	27.3%
Married	60.0%	55.9%
Separated	1.7%	0.9%
Widowed	1.8%	4.1%
Divorced	7.1%	11.9%

Education

Less than 9th grade 1.4%

Some HS, no diploma 1.0%

HS graduate 9.5%

Some college, no degree 13.8%

Associate's degree 7.5%

Bachelor's degree 35.0%

Graduate / professional 31.7%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	66.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	198	8.2%
Kindergarten	74	3.1%
Elementary school	730	30.4%
High school	1,075	44.8%
College / grad school	325	13.5%

Employment

Industry of employment

Education & healthcare 27.7%

Public administration 18.6%

Professional & management 14.3%

Construction 9.1%

Retail trade 7.5%

Finance & real estate 6.2%

Other services 5.6%

Arts, food & hospitality 2.9%

Manufacturing 2.6%

Information 1.7%

Transportation & utilities 1.4%

Wholesale trade 1.3%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	66.5%
Service	9.8%
Sales & office	15.7%
Natural resources & construction	3.6%
Production & transportation	4.4%

Employment type

Type	%
Private sector	60.6%
Government	34.5%
Self-employed	4.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	65.4%
Carpool	2.9%
Public transit	1.6%
Walk	2.5%
Work from home	27.0%
Other means	0.5%
Avg commute (minutes)	32.8

Poverty

All people 7.4%

Under 18 years 11.6%

18 and over 6.1%

Married-couple families 1.8%

Female-led households 24.1%

Income support

Source	% of households
Social Security	32.6%
Retirement income	30.4%
Supplemental Security	1.6%
Cash public assistance	2.5%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	21.2%
High blood pressure	27.7%
High cholesterol	34.9%
Diabetes	7.6%
Heart disease	4.6%
Stroke	2.1%
Asthma	8.3%
Arthritis	19.4%
Kidney disease	2.2%
Pulmonary disease	4.2%
Cancer	6.2%

Behavior / access	%
Smoking	9.0%
Binge drinking	13.4%
No physical activity	14.5%
Less than 7 hrs sleep	28.7%
Depression	16.5%
Fair or poor health	8.2%
Poor mental health	11.2%
Poor physical health	6.4%
No health insurance	8.4%
Visited doctor (checkup)	73.2%
Visited dentist	73.6%
Cholesterol screening	94.4%
Teeth loss	5.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	467	7.8%

Disability	%
Any disability	8.3%
Under 18	5.5%
18–64 years	3.6%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	86.5%
Public insurance	27.9%
No insurance	1.7%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,713	97.0%
Spanish	274	3.6%
Other Indo-European	103	1.3%
Asian & Pacific Islander	34	0.4%
Other languages	137	1.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,568	82.6%
Born in same state	6,113	76.9%
Born in different state	2,620	33.0%
Foreign born	455	5.7%
Naturalized citizen	1,381	17.4%
Not a US citizen	955	69.2%

Ancestry

Ancestry	Count	%
Italian	1,397	17.6%
French	845	10.6%
Arab	346	4.4%
English	170	2.1%
German	75	0.9%

Ancestry	Count	%
Norwegian	73	0.9%
Polish	25	0.3%
Irish	24	0.3%
Dutch	12	0.2%

Technology access

Metric	% of households
Computer access	32.9%
Internet access	96.9%

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

Frequently asked questions about ZIP code 20833

What city is ZIP code 20833 in?

ZIP code 20833 is primarily assigned to Brookeville, Maryland.

What county is ZIP code 20833 in?

ZIP code 20833 falls within Montgomery County, Maryland.

How educated is the population of ZIP code 20833?

67% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 20833 mostly owner-occupied?

94% of occupied units in ZIP code 20833 are owner-occupied, well above the national average.

What is the median household income in ZIP code 20833?

The median household income in ZIP code 20833 is $195,564, above the national median of ~$75,000.

What is the typical home value in ZIP code 20833?

The median home value in ZIP code 20833 is $749,600.

What timezone is ZIP code 20833 in?

ZIP code 20833 observes the EST timezone.