Boundary Atlas

ZIP code 08511: Cookstown, NJ

ZIP code 08511 is in Cookstown (86% of residents), in Burlington County, New Jersey. 14% of its residents live outside city limits. It is in New Jersey's 3rd congressional district. Its state senate districts are State Senate District 8 (86%) and State Senate District 12 (14%); its state house districts are Assembly District 08 (86%) and Assembly District 12 (14%).

905residents (2020 Census)
2.4 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of New Jersey

City and county

City or townShare of ZIP residents
Cookstown86%

CountyShare of ZIP residents
Burlington County100%

Town or county subdivisionShare of ZIP residents
New Hanover township86%
North Hanover township14%

Congressional district

Congressional districtShare of ZIP residents
New Jersey's 3rd congressional district (NJ-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 886%
State Senate District 1214%

State house districtShare of ZIP residents
Assembly District 0886%
Assembly District 1214%

Voting precincts

2 voting precincts overlap ZIP 08511. 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:08511")

ZIP 08511 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.