ZIP code 70570: Opelousas, LA
ZIP code 70570 is in Opelousas (41% of residents), Lawtell (2.2%) and Leonville (1.1%), in St. Landry Parish, Louisiana. 56% of its residents live outside city limits. It is in Louisiana's 3rd congressional district (83%) and Louisiana's 5th congressional district (17%). Its state senate districts are State Senate District 24 (78%) and State Senate District 17 (22%); its state house districts are State House District 40 (91%), State House District 41 (6.4%), State House District 46 (2.8%) and State House District 28 (0.3%).
See it on the mapAll of Louisiana
City and county
| City or town | Share of ZIP residents |
|---|---|
| Opelousas | 41% |
| Lawtell | 2.2% |
| Leonville | 1.1% |
| County | Share of ZIP residents |
|---|---|
| St. Landry Parish | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 9 | 17% |
| District 10 | 16% |
| District 1 | 13% |
| District 3 | 13% |
| District 2 | 12% |
| District 4 | 10% |
| District 11 | 9.9% |
| District 6 | 3.7% |
| District 7 | 3.1% |
| District 5 | 0.7% |
| District 8 | 0.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Louisiana's 3rd congressional district (LA-03) | 83% |
| Louisiana's 5th congressional district (LA-05) | 17% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 24 | 78% |
| State Senate District 17 | 22% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 40 | 91% |
| State House District 41 | 6.4% |
| State House District 46 | 2.8% |
| State House District 28 | 0.3% |
Voting precincts
42 voting precincts overlap ZIP 70570. 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:70570")
ZIP 70570 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.