St. Martin Parish, LA ZIP Codes
7 ZIP codes cover all or part of St. Martin Parish, Louisiana: 70517, 70380, 70582, 70518, 70512, 70339 and 70519. The Census Bureau counts 51,353 residents in the county, with a median household income of $55,960 and a median home value of $164,200. Median household income ranges from $47,313 in 70512 to $106,710 in 70518. Its largest communities include Broussard, Breaux Bridge, St. Martinville, Henderson and Cecilia.
St. Martin Parish (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 51,353 |
| Households | 19,579 |
| Median household income | $55,960 |
| Median home value | $164,200 |
| Median age | 40.1 |
| Median rent | $870 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 98,684 |
| Households (sum of ZIP codes) | 37,955 |
| Median household income, range across ZIP codes | $47,313 (70512) to $106,710 (70518) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $63,091 |
| Homeowners | 77.7% |
| Households with kids under 18 | 32.7% |
| Moved in the past year | 8.0% |
| Carrier routes in EDDM2GO's route library | 46 routes, 28,742 homes (4 of 7 ZIP codes) |
Top facts
- Highest median household income in St. Martin County: 70518 ($106,710)
- Most residents: 70517 (26,024 people)
- Highest homeownership: 70339 (92.2% own their home)
- Most households with kids: 70512 (36.6% of households)
- Most new movers: 70380 (12.2% moved in last year)
- Youngest median age: 70518 (34.9 years)
- Highest median home value: 70518 ($297,900)
Every ZIP code in St. Martin County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 70517 | Breaux Bridge | 26,024 | 9,586 | $60,778 | $162,100 | 75.8% | 36.2% | 9.5% | — | — | 99% of its land |
| 70380 | Morgan City | 20,529 | 7,968 | $54,595 | $141,600 | 68.9% | 32.9% | 12.2% | 15 | 9,754 | 29% of its land |
| 70582 | Saint Martinville | 19,209 | 7,907 | $49,837 | $163,300 | 77.6% | 27.6% | 5.3% | 13 | 8,119 | 94% of its land |
| 70518 | Broussard | 17,263 | 6,419 | $106,710 | $297,900 | 84.3% | 36.1% | 7.5% | 12 | 9,023 | 45% of its land |
| 70512 | Arnaudville | 10,740 | 3,799 | $47,313 | $166,700 | 80.9% | 36.6% | 4.1% | 6 | 4,199 | 39% of its land |
| 70339 | Pierre Part | 4,848 | 2,221 | $51,659 | $170,500 | 92.2% | 19.6% | 4.0% | — | — | 13% of its land |
| 70519 | Cade | 71 | 55 | — | — | 100.0% | 0.0% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for St. Martin Parish when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Broussard — 14,322 residents · 1 ZIP code
- Breaux Bridge — 7,501 residents · 1 ZIP code
- St. Martinville — 5,297 residents · 1 ZIP code
- Henderson — 1,779 residents · 1 ZIP code
- Cecilia — 1,742 residents · 2 ZIP codes
- Cade — 1,710 residents · 3 ZIP codes
- Parks — 963 residents · 1 ZIP code
- Catahoula — 594 residents · 1 ZIP code
Rankings
- Richest ZIP codes in St. Martin County — 6 ZIP codes ranked
- ZIP codes with the highest home values in St. Martin County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in St. Martin County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in St. Martin County — 6 ZIP codes ranked
- ZIP codes with the most new movers in St. Martin County — 6 ZIP codes ranked
- Youngest ZIP codes in St. Martin County — 6 ZIP codes ranked
- Oldest ZIP codes in St. Martin County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in St. Martin County — 6 ZIP codes ranked
Price a mailing to St. Martin County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in St. Martin Parish, LA?
- 70517, 70380, 70582, 70518, 70512, 70339 and 70519. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of St. Martin Parish?
- 51,353 residents in 19,579 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in St. Martin Parish?
- $55,960 for the county as a whole. Its ZIP codes range from $47,313 (70512) to $106,710 (70518).
- Which St. Martin County ZIP code has the highest median household income?
- 70518, at $106,710, among ZIP codes with at least 1,000 residents. See the full ranking of St. Martin County ZIP codes by income.
- How many carrier routes and mailboxes are in St. Martin Parish?
- For the 4 of 7 ZIP codes in EDDM2GO's stored route library: 46 carrier routes reaching 28,742 residential and 2,351 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.