Residential delivery area · Louisiana
ZIP Code 70582: Saint Martinville, LA
ZIP code 70582 uses the postal name Saint Martinville, Louisiana and lies mostly in St. Martin Parish (94% of its land) with the rest in Iberia Parish (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $49,837 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Cade (3%), Catahoula (2%), St. Martinville (2%) and Parks (under 1%); 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Martinville · its only residential ZIP
- County
- St. Martin Parish (94%); Iberia Parish (6%)
- Census places
- Cade (3%) census-designated place; Catahoula (2%) census-designated place; St. Martinville (2%); Parks (under 1%)
- Metro area
- Lafayette, LA
- House district
- LA-3 119th Congress
- State
- Louisiana
- Time zone
- Central
- Land area
- 148.0 sq mi · 130 people per sq mi
Where is ZIP code 70582?
70582 centers on 30.164°, -91.775° and covers 148.0 square miles of land plus 5.4 of water. It borders 6 ZIP codes: 70517, 70518, 70563, 70519, 70552, 70560.
The map draws ZIP code areas only. For the streets inside 70582, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 70582 compare with the rest of St. Martin Parish?
| Measure | 70582 | In St. Martin Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 19,209 | 4th of 8 | 93rd of 539 |
| Median household income | $50k | 4th of 6 | 182nd of 251 |
| Median home value | $163k | 4th of 7 | 176th of 285 |
Its median household income is higher than in 14% of U.S. residential ZIP codes, and it is denser than 57% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 70582?
The 2020 Census counted 19,088 people in 70582; the ACS, which samples households over 2020-2024, estimates 19,209. Between the 2010 and 2020 censuses its population fell 3.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 19,209
- 2020 Census count
- 19,088−3.5% since 2010 (19,781)
- Households
- 7,907
- Median age
- 42.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 70582?
Of the 19,209 people the ACS estimates in 70582, 19.2% are under 18 and 20.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (65.0%), then Black (not Hispanic) (28.8%).
- Under 1819.2%
- 18 to 6460.7%
- 65 and older20.2%
- White, not Hispanic65.0%
- Black, not Hispanic28.8%
- Other or two or more4.0%
- Hispanic or Latino1.8%
- Asian, not Hispanic0.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 70582 earn?
Median household income is $49,837 (ACS 2020-2024), the 4th highest of the 6 ranked ZIP codes in St. Martin Parish. It is not measurably different from 2015-2019 ($58,489 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $49,837±$6,777
- Income per person
- $31,727
- Below the poverty line
- 14.2%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 15.3%
- Adjusted gross income per tax return, 2022
- $54,5798,090 returns; wages 76% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 70582?
FHFA's house price index for 70582, built from repeat sales and appraisals of the same homes, rose 42% from 2015 to 2025 and rose 33% from 2020 to 2025, and moved +6.8% in 2025.
- Median home value (owners' estimate)
- $163,300
- Median gross rent
- $765
- Homes owned by their occupants
- 77.6%
- Housing units
- 9,290
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 70582?
256 business establishments had a location in this ZIP code in 2023, 14 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade47
- Construction30
- Professional, scientific, and technical services26
- Health care and social assistance25
- Manufacturing20
- Other services (except public administration)20
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 70582?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70517 | Breaux Bridge | 26,024 | $61k | 8.8 mi |
| 70518 | Broussard | 17,263 | $107k | 9.3 mi |
| 70563 | New Iberia | 20,165 | $77k | 9.6 mi |
| 70519 | Cade | 71 | – | 9.7 mi |
| 70552 | Loreauville | 1,193 | $50k | 10.8 mi |
| 70560 | New Iberia | 36,996 | $46k | 16.5 mi |
| 70501 | Lafayette | 26,465 | $33k | 13.9 mi (near) |
| 70508 | Lafayette | 40,592 | $86k | 15.1 mi (near) |
| 70592 | Youngsville | 32,167 | $93k | 15.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.