Boundary Atlas

ZIP code 20862: Ashton-Sandy Spring, MD

ZIP code 20862 is in Ashton-Sandy Spring (28% of residents), in Montgomery County, Maryland. 72% of its residents live outside city limits. It is in Maryland's 8th congressional district. Its state senate district is State Senate District 14; its state house district is State Legislative District 14.

453residents (2020 Census)
1.6 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Maryland

City and county

City or townShare of ZIP residents
Ashton-Sandy Spring28%

CountyShare of ZIP residents
Montgomery County100%

Town or county subdivisionShare of ZIP residents
District 8100%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 14100%

State house districtShare of ZIP residents
State Legislative District 14100%

Voting precincts

3 voting precincts overlap ZIP 20862. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:20862")

ZIP 20862 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.