ZIP code 39520: Bay St. Louis, MS
ZIP code 39520 is in Bay St. Louis (62% of residents) and Waveland (4.6%), in Hancock County, Mississippi. 33% of its residents live outside city limits. It is in Mississippi's 4th congressional district. Its state senate districts are State Senate District 46 (68%) and State Senate District 48 (32%); its state house district is State House District 122.
See it on the mapAll of Mississippi
City and county
| City or town | Share of ZIP residents |
|---|---|
| Bay St. Louis | 62% |
| Waveland | 4.6% |
| County | Share of ZIP residents |
|---|---|
| Hancock County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 4 | 37% |
| District 1 | 30% |
| District 5 | 16% |
| District 3 | 15% |
| District 2 | 1.7% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Mississippi's 4th congressional district (MS-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MS-04) | Mike Ezell (R) | 202-225-5772 | 100% |
| U.S. Senator | Cindy Hyde-Smith (R) | 202-224-5054 · contact form | statewide |
| U.S. Senator | Roger F. Wicker (R) | 202-224-6253 · contact form | statewide |
| State Senator (State Senate District 46) | Philman Ladner (R) | 68% | |
| State Senator (State Senate District 48) | Mike Thompson (R) | 32% | |
| State Representative (State House District 122) | Brent Anderson (R) | 100% | |
| State Representative (State House District 95) | Jay McKnight (R) | <0.1% |
Elected under MS's previous legislative map; the district's lines changed for 2026.
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
- Bay St. Louis website: http://www.baystlouisms.org
- Bay St. Louis laws: search for the Bay St. Louis, Mississippi code of ordinances
- Waveland laws: search for the Waveland, Mississippi code of ordinances
- Hancock County website: https://hancockcounty.ms.gov/
- Hancock County laws: search for the Hancock County, Mississippi code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 46 | 68% |
| State Senate District 48 | 32% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 122 | 100% |
| State House District 95 | land only |
Voting precincts
13 voting precincts overlap ZIP 39520. 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:39520")
ZIP 39520 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.