Residential delivery area · Louisiana
ZIP Code 70343: Bourg, LA
ZIP code 70343 uses the postal name Bourg, Louisiana and lies mostly in Lafourche Parish (51% of its land) with the rest in Terrebonne Parish (Census 2020 ZIP-county file). About 5,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,815 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Bourg (25%) and Presquille (3%); 73% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bourg · its only residential ZIP
- County
- Lafourche Parish (51%); Terrebonne Parish (49%)
- Census places
- Bourg (25%) census-designated place; Presquille (3%) census-designated place
- Metro area
- Houma-Bayou Cane-Thibodaux, LA
- House districts
- LA-1 (51%), LA-3 (49%) 119th Congress, by share of land
- State
- Louisiana
- Time zone
- Central
- Land area
- 22.9 sq mi · 231 people per sq mi
Where is ZIP code 70343?
70343 centers on 29.548°, -90.557° and covers 22.9 square miles of land plus 0.5 of water. It borders 6 ZIP codes: 70374, 70377, 70363, 70364, 70344, 70373.
The map draws ZIP code areas only. For the streets inside 70343, 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 70343 compare with the rest of Lafourche Parish?
| Measure | 70343 | In Lafourche Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,280 | 8th of 15 | 219th of 539 |
| Median household income | $74k | 2nd of 11 | 56th of 251 |
| Median home value | $204k | 3rd of 12 | 121st of 285 |
Its median household income is higher than in 53% of U.S. residential ZIP codes, and it is denser than 64% 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 70343?
The 2020 Census counted 5,059 people in 70343; the ACS, which samples households over 2020-2024, estimates 5,280. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 5,280±970 (90% margin)
- 2020 Census count
- 5,059
- Households
- 1,961
- Median age
- 39.7
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 70343?
Of the 5,280 people the ACS estimates in 70343, 28.3% are under 18 and 15.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.0%), then Other or two or more (12.9%).
- Under 1828.3%
- 18 to 6456.3%
- 65 and older15.4%
- White, not Hispanic83.0%
- Other or two or more12.9%
- Hispanic or Latino3.1%
- Black, not Hispanic1.1%
- Asian, not Hispanic0.0%
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 70343 earn?
Median household income is $73,815 (ACS 2020-2024), the 2nd highest of the 11 ranked ZIP codes in Lafourche Parish.
- Median household income
- $73,815±$13,434
- Income per person
- $35,562
- Below the poverty line
- 7.0%
- Unemployed (of the labor force)
- 7.8%
- Adults 25+ with a bachelor's degree
- 18.6%
- Adjusted gross income per tax return, 2022
- $83,3562,090 returns; wages 69% 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 70343?
FHFA's house price index for 70343, built from repeat sales and appraisals of the same homes, rose 28% from 2015 to 2025 and rose 13% from 2020 to 2025, and moved −5.8% in 2025.
- Median home value (owners' estimate)
- $203,900
- Median gross rent
- $1,332
- Homes owned by their occupants
- 90.1%
- Housing units
- 2,052
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 70343?
67 business establishments had a location in this ZIP code in 2023, 10 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction13
- Transportation and warehousing9
- Retail trade7
- Professional, scientific, and technical services7
- Administrative and support and waste management and remediation services6
- Manufacturing5
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 70343?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70374 | Lockport | 5,872 | $71k | 5.1 mi |
| 70377 | Montegut | 3,056 | $61k | 6.3 mi |
| 70363 | Houma | 24,127 | $47k | 9.1 mi |
| 70364 | Houma | 28,716 | $69k | 9.5 mi |
| 70344 | Chauvin | 4,724 | $52k | 11.1 mi |
| 70373 | Larose | 5,539 | $87k | 15.2 mi |
| 70375 | Mathews | 178 | – | 10.3 mi (near) |
| 70394 | Raceland | 13,395 | $64k | 10.6 mi (near) |
| 70355 | Gheens | 957 | $56k | 12.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.