Assumption

Source:

Louisiana

Assumption is a smaller parish in Louisiana with 7 ZIP codes, 43,873 people, and one of the lowest household incomes among US counties among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Assumption, LA sits among US counties with one of the lowest household incomes among US counties, on a smaller parish population base, across a compact ZIP cluster.

6th pct
household income vs 3,210 US counties
43,873
combined ZIP population
7
USPS ZIP codes covered
$43,364
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Assumption lands in the national county income distribution as one of the lowest household incomes among US counties on smaller parish footing (FIPS 22007, 7 ZIPs, combined population 43,873). Sort the ZIP table by population before treating the county mean as uniform.

Lower household-income footing across 7 ZIPs (combined population 43,873). Cost-of-living reads should start from the densest ZIP rather than the county mean - sparse codes can dominate land area while a small urban ZIP carries most residents.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

View your shortlist →

7

Total ZIPs

43,873

Total Population

ZIP Codes in Assumption

Side-by-side: Compare 70380 vs 70390 →

ZIP Code City Population Density
70380 Morgan City 22,928 137
70390 Napoleonville 6,969 17
70339 Pierre Part 6,033 41
70341 Belle Rose 4,449 30
70372 Labadieville 2,518 33
70393 Plattenville 774 41
70391 Paincourtville 202 101

Frequently Asked Questions

What is the population of Assumption?

Assumption has a total population of 43,873 across 7 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Assumption?

Assumption includes 7 ZIP codes: 70380, 70390, 70339, 70341, 70372, 70393, 70391.

Assumption's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

Read our methodology : how this data is sourced, computed, and verified.