Boundary Atlas

ZIP code 99504: Anchorage, AK

ZIP code 99504 is in Anchorage, in Anchorage Municipality, Alaska. It is in Alaska's at-large congressional district. Its state senate districts are State Senate District K (81%), State Senate District J (14%), State Senate District I (5.6%) and State Senate District L (<0.1%); its state house districts are State House District 21 (43%), State House District 22 (37%), State House District 20 (14%), State House District 18 (5.6%) and State House District 23 (<0.1%).

42,375residents (2020 Census)
36.8 sq miland area
1cities and towns
1congressional district
14voting precincts

See it on the mapAll of Alaska

City and county

City or townShare of ZIP residents
Anchorage100%

CountyShare of ZIP residents
Anchorage Municipality100%

Town or county subdivisionShare of ZIP residents
Anchorage census subarea100%

Congressional district

Congressional districtShare of ZIP residents
Alaska's at-large congressional district (AK-AL)100%

Elected officials

OfficeMemberContactShare of residents
MayorSuzanne LaFrance907-343-7100100%
U.S. Representative (AK-AL)Nicholas J. Begich III (R)202-225-5765100%
U.S. SenatorDan Sullivan (R)202-224-3004 · contact formstatewide
U.S. SenatorLisa Murkowski (R)202-224-6665 · contact formstatewide
State Senator (State Senate District K)Bill Wielechowski (Democratic)907-269-012081%
State Senator (State Senate District J)Forrest Dunbar (Democratic)907-269-024614%
State Senator (State Senate District I)Löki Tobin (Democratic)907-269-01695.6%
State Senator (State Senate District L)Kelly Merrick (R)907-269-3630<0.1%
State Representative (State House District 21)Donna Mears (Democratic)907-269-010043%
State Representative (State House District 22)Ted Eischeid (Democratic)907-269-024037%
State Representative (State House District 20)Andrew Gray (Democratic)907-269-012314%
State Representative (State House District 18)David Nelson (R)907-269-02165.6%
State Representative (State House District 23)Jamie Allard (R)907-269-0250<0.1%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); 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 K81%
State Senate District J14%
State Senate District I5.6%
State Senate District L<0.1%

State house districtShare of ZIP residents
State House District 2143%
State House District 2237%
State House District 2014%
State House District 185.6%
State House District 23<0.1%

Voting precincts

14 voting precincts overlap ZIP 99504. 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:99504")

ZIP 99504 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.