Boundary Atlas

Olney, Maryland

Olney is a Census-designated place (an unincorporated community) in Montgomery County, Maryland, with 35,820 residents in 2020. It is in Maryland's 8th congressional district. It spans 2 state senate and 2 state house districts.

35,820residents (2020 Census)
16.2 sq miland area
5ZIP codes
1congressional district

County

CountyShare of residents
Montgomery County100%

Congressional district

Congressional districtShare of residents
Maryland's 8th congressional district (MD-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-08)Jamie Raskin (D)202-225-5341100%
U.S. SenatorAngela D. Alsobrooks (D)202-224-4524 · contact formstatewide
U.S. SenatorChris Van Hollen (D)202-224-4654 · contact formstatewide
State Senator (State Senate District 14)Craig Zucker (Democratic)91%
State Senator (State Senate District 19)Ben Kramer (Democratic)9.2%
Delegate (State Legislative District 14)Anne Kaiser (Democratic)91%
Delegate (State Legislative District 14)Bernice Mireku-North (Democratic)91%
Delegate (State Legislative District 14)Pam Queen (Democratic)91%
Delegate (State Legislative District 19)Bonnie Cullison (Democratic)9.2%
Delegate (State Legislative District 19)Charlotte Crutchfield (Democratic)9.2%
Delegate (State Legislative District 19)Vaughn Stewart (Democratic)9.2%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 1491%
State Senate District 199.2%

State house districtShare of residents
State Legislative District 1491%
State Legislative District 199.2%

ZIP codes

Percentages mark ZIPs only partly in Olney: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Olney's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:2458900")

Olney here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.