ZIP code 78552: Harlingen, TX
ZIP code 78552 is in Harlingen (52% of residents), Primera (14%), Combes (5.0%), Palm Valley (3.7%), Las Palmas II (2.3%) and Juarez (1.7%), in Cameron County, Texas. 22% of its residents live outside city limits. It is in Texas's 34th congressional district. Its state senate district is State Senate District 27; its state house districts are State House District 37 (97%) and State House District 35 (2.6%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Harlingen | 52% |
| Primera | 14% |
| Combes | 5.0% |
| Palm Valley | 3.7% |
| Las Palmas II | 2.3% |
| Juarez | 1.7% |
| County | Share of ZIP residents |
|---|---|
| Cameron County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Harlingen-San Benito CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 34th congressional district (TX-34) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Norma Sepulveda | 52% | |
| U.S. Representative (TX-34) | Vicente Gonzalez (D) | 202-225-2531 | 100% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 27) | Adam Hinojosa (R) | 956-542-2211 | 100% |
| State Representative (State House District 37) | Janie Lopez (R) | 956-247-3610 | 97% |
| State Representative (State House District 35) | Oscar Longoria (Democratic) | 956-797-2101 | 2.6% |
From Wikidata (community-maintained); confirm on the city's website.
Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
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); Mayors: Wikidata (CC0).
Local government
- Harlingen website: http://www.myharlingen.us/
- Harlingen laws: search for the Harlingen, Texas code of ordinances
- Primera website: https://primeratx.gov
- Primera laws: search for the Primera, Texas code of ordinances
- Combes laws: search for the Combes, Texas code of ordinances
- Cameron County website: https://www.cameroncountytx.gov/
- Cameron County laws: search for the Cameron County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 27 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 37 | 97% |
| State House District 35 | 2.6% |
Voting precincts
15 voting precincts overlap ZIP 78552. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:78552")
ZIP 78552 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.