Residential delivery area · Louisiana
ZIP Code 70339: Pierre Part, LA
ZIP code 70339 uses the postal name Pierre Part, Louisiana and lies mostly in Assumption Parish (87% of its land) with the rest in St. Martin Parish (Census 2020 ZIP-county file). About 4,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $51,659 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Pierre Part (a census-designated place); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Pierre Part · its only residential ZIP
- County
- Assumption Parish (87%); St. Martin Parish (13%)
- Census places
- Pierre Part census-designated place
- Metro area
- Baton Rouge, LA
- House districts
- LA-2 (87%), LA-3 (13%) 119th Congress, by share of land
- State
- Louisiana
- Time zone
- Central
- Land area
- 55.1 sq mi · 88 people per sq mi
Where is ZIP code 70339?
70339 centers on 29.905°, -91.185° and covers 55.1 square miles of land plus 25.3 of water. It borders 5 ZIP codes: 70390, 70341, 70380, 70788, 70764.
The map draws ZIP code areas only. For the streets inside 70339, 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 70339 compare with the rest of Assumption Parish?
| Measure | 70339 | In Assumption Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 4,848 | 5th of 9 | 226th of 539 |
| Median household income | $52k | not ranked | not ranked |
| Median home value | $171k | 3rd of 5 | 158th of 285 |
70339's median household income is not ranked: its 90% margin of error (±$15,731) is more than a quarter of the figure ($51,659). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 52% of 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 70339?
The 2020 Census counted 5,332 people in 70339; the ACS, which samples households over 2020-2024, estimates 4,848. Between the 2010 and 2020 censuses its population fell 11.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,848
- 2020 Census count
- 5,332−11.6% since 2010 (6,033)
- Households
- 2,221
- Median age
- 51.4
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 70339?
Of the 4,848 people the ACS estimates in 70339, 16.9% are under 18 and 24.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.2%).
- Under 1816.9%
- 18 to 6458.3%
- 65 and older24.7%
- White, not Hispanic93.2%
- Other or two or more5.0%
- Hispanic or Latino0.8%
- Black, not Hispanic0.7%
- 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 70339 earn?
Median household income is $51,659 (ACS 2020-2024). It is not measurably different from 2015-2019 ($47,007 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $51,659±$15,731
- Income per person
- $37,588
- Below the poverty line
- 14.6%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 10.5%
- Adjusted gross income per tax return, 2022
- $75,3022,250 returns; wages 75% 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 70339?
FHFA's house price index for 70339, built from repeat sales and appraisals of the same homes, rose 30% from 2015 to 2025 and rose 23% from 2020 to 2025, and moved +8.3% in 2025.
- Median home value (owners' estimate)
- $170,500
- Median gross rent
- $749
- Homes owned by their occupants
- 92.2%
- Housing units
- 2,869
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 70339?
67 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing13
- Construction12
- Retail trade11
- Professional, scientific, and technical services5
- Other services (except public administration)5
- Finance and insurance4
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 70339?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70390 | Napoleonville | 7,160 | $59k | 9.2 mi |
| 70341 | Belle Rose | 3,690 | $35k | 10.4 mi |
| 70380 | Morgan City | 20,529 | $55k | 11.6 mi |
| 70788 | White Castle | 3,830 | $33k | 15.7 mi |
| 70764 | Plaquemine | 14,757 | $55k | 24.0 mi |
| 70391 | Paincourtville | 0 | – | 9.7 mi (near) |
| 70393 | Plattenville | 117 | $19k | 12.8 mi (near) |
| 70372 | Labadieville | 1,968 | $41k | 14.5 mi (near) |
| 70342 | Berwick | 4,607 | $52k | 15.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.