Residential delivery area · Maryland
ZIP Code 20833: Brookeville, MD
ZIP code 20833 uses the postal name Brookeville, Maryland and lies mostly in Montgomery County (90% of its land) with the rest in Howard County (Census 2020 ZIP-county file). About 7,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $204,375 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Olney (9%), Ashton-Sandy Spring (5%) and Brookeville (under 1%); 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Brookeville · its only residential ZIP
- County
- Montgomery County (90%); Howard County (10%)
- Census places
- Olney (9%) census-designated place; Ashton-Sandy Spring (5%) census-designated place; Brookeville (under 1%)
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House districts
- MD-8 (90%), MD-3 (10%) 119th Congress, by share of land
- State
- Maryland
- Time zone
- Eastern
- Land area
- 19.1 sq mi · 411 people per sq mi
Where is ZIP code 20833?
20833 centers on 39.210°, -77.062° and covers 19.1 square miles of land plus 0.6 of water. It borders 12 ZIP codes: 20862, 21737, 21036, 20832, 20860, 21738, 20861, 21029, 20777, 20882 and more.
The map draws ZIP code areas only. For the streets inside 20833, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 20833 compare with the rest of Montgomery County?
| Measure | 20833 | In Montgomery County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 7,860 | 36th of 53 | 198th of 477 |
| Median household income | $204k | 6th of 41 | 12th of 293 |
| Median home value | $797k | 9th of 41 | 17th of 320 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 70% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 20833?
The 2020 Census counted 7,913 people in 20833; the ACS, which samples households over 2020-2024, estimates 7,860. Between the 2010 and 2020 censuses its population grew 2.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,860±1,168 (90% margin)
- 2020 Census count
- 7,913+2.3% since 2010 (7,735)
- Households
- 2,568
- Median age
- 45.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 20833?
Of the 7,860 people the ACS estimates in 20833, 25.5% are under 18 and 20.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.7%), then Black (not Hispanic) (12.9%).
- Under 1825.5%
- 18 to 6454.0%
- 65 and older20.5%
- White, not Hispanic63.7%
- Black, not Hispanic12.9%
- Hispanic or Latino10.1%
- Asian, not Hispanic7.7%
- Other or two or more5.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 20833 earn?
Median household income is $204,375 (ACS 2020-2024), the 6th highest of the 41 ranked ZIP codes in Montgomery County. It is not measurably different from 2015-2019 ($198,517 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $204,375±$41,981
- Income per person
- $69,016
- Below the poverty line
- 5.8%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 64.8%
- Adjusted gross income per tax return, 2022
- $170,2933,860 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 20833?
FHFA's house price index for 20833, built from repeat sales and appraisals of the same homes, rose 57% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved +17.9% in 2025.
- Median home value (owners' estimate)
- $797,100
- Median gross rent
- $2,074
- Homes owned by their occupants
- 94.8%
- Housing units
- 2,593
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 20833?
144 business establishments had a location in this ZIP code in 2023, 12 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services31
- Construction22
- Administrative and support and waste management and remediation services22
- Health care and social assistance15
- Wholesale trade8
- Retail trade7
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 20833?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20862 | Brinklow | 430 | $190k | 3.1 mi |
| 21737 | Glenelg | 2,474 | $250k+ | 3.2 mi |
| 21036 | Dayton | 2,569 | $218k | 3.4 mi |
| 20832 | Olney | 25,553 | $169k | 4.2 mi |
| 20860 | Sandy Spring | 2,035 | – | 4.3 mi |
| 21738 | Glenwood | 3,696 | $250k+ | 5.2 mi |
| 20861 | Ashton | 2,890 | $163k | 5.4 mi |
| 21029 | Clarksville | 13,607 | $244k | 5.5 mi |
| 20777 | Highland | 3,221 | $226k | 5.5 mi |
| 20882 | Gaithersburg | 13,751 | $184k | 5.6 mi |
| 20855 | Derwood | 17,279 | $149k | 6.3 mi |
| 21797 | Woodbine | 8,643 | $189k | 8.4 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.