ZIP code 98604 is in Battle Ground (54% of residents), Venersborg (10%), Meadow Glade (7.2%), Lewisville (4.9%), Dollars Corner (3.1%) and Cherry Grove (1.5%), in Clark County, Washington. 19% of its residents live outside city limits. It is in Washington's 3rd congressional district. Its state senate districts are Legislative (Senate) District 18 (72%) and Legislative (Senate) District 20 (28%); its state house districts are Legislative (House) District 18 (72%) and Legislative (House) District 20 (28%).
42 voting precincts overlap ZIP 98604.
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:98604")
ZIP 98604 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.