Boundary Atlas

ZIP code 12118: Mechanicville, NY

ZIP code 12118 is in Mechanicville (31% of residents), in Saratoga County (97%) and Rensselaer County (3.3%), New York. 69% of its residents live outside city limits. It is in New York's 20th congressional district. Its state senate districts are State Senate District 44 (97%) and State Senate District 43 (3.3%); its state house districts are Assembly District 113 (58%), Assembly District 112 (39%) and Assembly District 107 (3.3%).

16,618residents (2020 Census)
35.3 sq miland area
1cities and towns
1congressional district
18voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
Mechanicville31%

CountyShare of ZIP residents
Saratoga County97%
Rensselaer County3.3%

Town or county subdivisionShare of ZIP residents
Halfmoon town39%
Mechanicville city31%
Stillwater town19%
Malta town8.0%
Schaghticoke town3.3%

Congressional district

Congressional districtShare of ZIP residents
New York's 20th congressional district (NY-20)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-20)Paul Tonko (D)202-225-5076100%
U.S. SenatorCharles E. Schumer (D)202-224-6542 · contact formstatewide
U.S. SenatorKirsten E. Gillibrand (D)202-224-4451 · contact formstatewide
State Senator (State Senate District 44)Jim Tedisco (Republican/Conservative)518-885-182997%
State Senator (State Senate District 43)Jake Ashby (Republican/Conservative)518-371-27513.3%
Assembly Member (Assembly District 113)Carrie Woerner (Democratic)518-584-549358%
Assembly Member (Assembly District 112)Mary Beth Walsh (R)518-884-801039%
Assembly Member (Assembly District 107)Scott Bendett (Republican/Conservative)518-272-61493.3%

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 ZIP residents
State Senate District 4497%
State Senate District 433.3%

State house districtShare of ZIP residents
Assembly District 11358%
Assembly District 11239%
Assembly District 1073.3%

Voting precincts

18 voting precincts overlap ZIP 12118. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:12118")

ZIP 12118 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.