Boundary Atlas

ZIP code 10923: West Haverstraw, NY

ZIP code 10923 is in West Haverstraw (61% of residents), Thiells (28%) and Mount Ivy (11%), in Rockland County, New York. It is in New York's 17th congressional district. Its state senate district is State Senate District 38; its state house district is Assembly District 96.

9,489residents (2020 Census)
2.0 sq miland area
3cities and towns
1congressional district
14voting precincts

See it on the mapAll of New York

City and county

City or townShare of ZIP residents
West Haverstraw61%
Thiells28%
Mount Ivy11%

CountyShare of ZIP residents
Rockland County100%

Town or county subdivisionShare of ZIP residents
Haverstraw town100%

Congressional district

Congressional districtShare of ZIP residents
New York's 17th congressional district (NY-17)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NY-17)Michael Lawler (R)202-225-6506100%
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 38)Bill Weber (Republican/Conservative)845-623-3627100%
Assembly Member (Assembly District 96)Pat Carroll (Democratic/Working Families)845-634-9791100%

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 38100%

State house districtShare of ZIP residents
Assembly District 96100%

Voting precincts

14 voting precincts overlap ZIP 10923. 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:10923")

ZIP 10923 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.