ZIP code 16601 is in Altoona (68% of residents), Eldorado (2.2%), Juniata Gap (1.6%), Newburg (1.1%) and East Altoona (1.1%), in Blair County, Pennsylvania. 26% of its residents live outside city limits. It is in Pennsylvania's 13th congressional district. Its state senate district is State Senate District 30; its state house districts are State House District 79 (90%) and State House District 80 (9.8%).
33 voting precincts overlap ZIP 16601.
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:16601")
ZIP 16601 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.