Residential delivery area · Louisiana
ZIP Code 70390: Napoleonville, LA
ZIP code 70390 uses the postal name Napoleonville, Louisiana and lies entirely in Assumption Parish (Census 2020 ZIP-county file). About 7,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $58,667 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Supreme (2%), Paincourtville (under 1%) and Napoleonville (under 1%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Napoleonville · its only residential ZIP
- County
- Assumption Parish
- Census places
- Supreme (2%) census-designated place; Paincourtville (under 1%) census-designated place; Napoleonville (under 1%)
- Metro area
- Baton Rouge, LA
- House district
- LA-2 119th Congress
- State
- Louisiana
- Time zone
- Central
- Land area
- 147.8 sq mi · 48 people per sq mi
Where is ZIP code 70390?
70390 centers on 29.890°, -91.032° and covers 147.8 square miles of land plus 0.4 of water. It borders 7 ZIP codes: 70391, 70393, 70372, 70339, 70341, 70380, 70301.
The map draws ZIP code areas only. For the streets inside 70390, 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 70390 compare with the rest of Assumption Parish?
| Measure | 70390 | In Assumption Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 7,160 | 4th of 9 | 185th of 539 |
| Median household income | $59k | 1st of 4 | 124th of 251 |
| Median home value | $163k | 4th of 5 | 177th of 285 |
Its median household income is higher than in 27% of U.S. residential ZIP codes, and it is denser than 42% 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 70390?
The 2020 Census counted 6,593 people in 70390; the ACS, which samples households over 2020-2024, estimates 7,160. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 7,160
- 2020 Census count
- 6,593
- Households
- 2,869
- Median age
- 38.5
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 70390?
Of the 7,160 people the ACS estimates in 70390, 22.2% are under 18 and 15.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (49.5%), then Black (not Hispanic) (37.2%).
- Under 1822.2%
- 18 to 6462.5%
- 65 and older15.3%
- White, not Hispanic49.5%
- Black, not Hispanic37.2%
- Hispanic or Latino7.1%
- Other or two or more4.0%
- Asian, not Hispanic2.2%
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 70390 earn?
Median household income is $58,667 (ACS 2020-2024), the highest of the 4 ranked ZIP codes in Assumption Parish.
- Median household income
- $58,667±$8,563
- Income per person
- $29,541
- Below the poverty line
- 16.0%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 15.7%
- Adjusted gross income per tax return, 2022
- $67,5632,600 returns; wages 74% 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 70390?
FHFA's house price index for 70390, built from repeat sales and appraisals of the same homes, rose 38% from 2015 to 2025 and rose 24% from 2020 to 2025, and moved +1.7% in 2025.
- Median home value (owners' estimate)
- $162,900
- Median gross rent
- $850
- Homes owned by their occupants
- 79.5%
- Housing units
- 3,162
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 70390?
70 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services13
- Other services (except public administration)13
- Construction9
- Retail trade8
- Finance and insurance8
- Health care and social assistance7
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 70390?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70391 | Paincourtville | 0 | – | 7.4 mi |
| 70393 | Plattenville | 117 | $19k | 7.6 mi |
| 70372 | Labadieville | 1,968 | $41k | 7.9 mi |
| 70339 | Pierre Part | 4,848 | $52k | 9.2 mi |
| 70341 | Belle Rose | 3,690 | $35k | 9.9 mi |
| 70380 | Morgan City | 20,529 | $55k | 10.5 mi |
| 70301 | Thibodaux | 50,095 | $58k | 17.8 mi |
| 70086 | Saint James | 1,793 | $36k | 14.2 mi (near) |
| 70346 | Donaldsonville | 9,927 | $35k | 14.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.