Residential delivery area · Louisiana
ZIP Code 70577: Port Barre, LA
ZIP code 70577 uses the postal name Port Barre, Louisiana and lies entirely in St. Landry Parish (Census 2020 ZIP-county file). About 3,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $47,072 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Port Barre; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Port Barre · its only residential ZIP
- County
- St. Landry Parish
- Census places
- Port Barre
- Micro area
- Opelousas, LA
- House district
- LA-6 119th Congress
- State
- Louisiana
- Time zone
- Central
- Land area
- 76.1 sq mi · 52 people per sq mi
Where is ZIP code 70577?
70577 centers on 30.550°, -91.919° and covers 76.1 square miles of land plus 2.1 of water. It borders 6 ZIP codes: 70512, 70750, 71353, 70570, 70589, 71358.
The map draws ZIP code areas only. For the streets inside 70577, 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 70577 compare with the rest of St. Landry Parish?
| Measure | 70577 | In St. Landry Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,939 | 9th of 19 | 251st of 539 |
| Median household income | $47k | not ranked | not ranked |
| Median home value | $102k | not ranked | not ranked |
70577's median household income is not ranked: its 90% margin of error (±$13,887) is more than a quarter of the figure ($47,072); 70577's median home value is not ranked: its 90% margin of error (±$31,139) is more than a quarter of the figure ($101,600). 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 43% 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 70577?
The 2020 Census counted 4,424 people in 70577; the ACS, which samples households over 2020-2024, estimates 3,939. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 3,939±793 (90% margin)
- 2020 Census count
- 4,424
- Households
- 1,569
- Median age
- 37.2
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 70577?
Of the 3,939 people the ACS estimates in 70577, 30.1% are under 18 and 14.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (66.9%), then Black (not Hispanic) (24.0%).
- Under 1830.1%
- 18 to 6455.7%
- 65 and older14.2%
- White, not Hispanic66.9%
- Black, not Hispanic24.0%
- Hispanic or Latino4.2%
- Other or two or more3.8%
- Asian, not Hispanic1.1%
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 70577 earn?
Median household income is $47,072 (ACS 2020-2024).
- Median household income
- $47,072±$13,887
- Income per person
- $23,158
- Below the poverty line
- 20.6%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 10.6%
- Adjusted gross income per tax return, 2022
- $57,1841,950 returns; wages 80% 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 70577?
- Median home value (owners' estimate)
- $101,600
- Median gross rent
- $863
- Homes owned by their occupants
- 75.9%
- Housing units
- 1,950
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 70577?
67 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade12
- Transportation and warehousing10
- Construction6
- Wholesale trade6
- Health care and social assistance6
- Finance and insurance5
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 70577?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70512 | Arnaudville | 10,740 | $47k | 9.2 mi |
| 70750 | Krotz Springs | 1,117 | $39k | 9.8 mi |
| 71353 | Melville | 1,399 | $37k | 10.0 mi |
| 70570 | Opelousas | 37,565 | $45k | 11.3 mi |
| 70589 | Washington | 2,875 | $50k | 12.0 mi |
| 71358 | Palmetto | 867 | $44k | 12.3 mi |
| 70551 | Leonville | 570 | $45k | 7.2 mi (near) |
| 70541 | Grand Coteau | 858 | $48k | 11.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.