Population 20,484 · Census ACS 2020–24
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Population and households in Assumption Parish
Household size in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.74 | 2.69 | 2.66 | 2.68 |
| 2010–14 | 2.63 | 2.68 | 2.64 | 2.73 |
| 2015–19 | 2.63 | 2.73 | 2.64 | 2.71 |
| 2020–24 | 2.29 | 2.63 | 2.59 | 2.65 |
| Change | −0.44 | −0.06 | −0.07 | −0.03 |
Households in Assumption Parish are small: just 2.29 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Household size has dropped from 2.74 in 2006–10, a much bigger shift than nationally. Only three of Louisiana's 64 counties have smaller households.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.4 | 35.3 | 36.8 | 37.7 |
| 2010–14 | 39.6 | 36.2 | 37.4 | 38.6 |
| 2015–19 | 41.6 | 36.8 | 38.3 | 39.6 |
| 2020–24 | 43.5 | 37.1 | 39.0 | 40.1 |
| Change | +5.1 | +1.8 | +2.2 | +2.3 |
Assumption Parish skews older than the country: its median age is 43.5, against 40.1 nationally. Since 2006–10, the median age has climbed from 38.4, mirroring the country. Residents skew youngest in the south and oldest in the west.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.7% | 14.1% | 14.7% | 12.3% |
| 2010–14 | 13.1% | 14.8% | 15.1% | 12.3% |
| 2015–19 | 15.5% | 13.9% | 14.1% | 11.6% |
| 2020–24 | 11.8% | 14.0% | 15.2% | 11.6% |
| Change | −0.9 pts | −0.0 pts | +0.5 pts | −0.6 pts |
Single parents head nearly one in eight households in Assumption Parish (11.8%), close to the national share of 11.6%. Single parents are less common here than in the wider Baton Rouge area (14.0%). The single-parent share has edged down 0.9 points since 2006–10, mirroring the country.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Assumption Parish
Renters in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.8% | 30.5% | 31.8% | 33.3% |
| 2010–14 | 19.2% | 31.4% | 33.7% | 35.6% |
| 2015–19 | 21.9% | 31.0% | 34.4% | 36.0% |
| 2020–24 | 15.2% | 30.9% | 32.6% | 34.8% |
| Change | −0.6 pts | +0.4 pts | +0.9 pts | +1.5 pts |
Only 15.2% of households in Assumption Parish rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 66.8% have no mortgage at all, well above the national share of 39.8%. Since 2006–10, the renter share has edged down 0.6 points, even as the national share rose. Of Louisiana's 64 counties, only three have a lower share of renters.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 17.5% | 10.9% | 13.9% | 11.4% |
| 2010–14 | 15.3% | 11.2% | 13.1% | 11.4% |
| 2015–19 | 19.5% | 15.6% | 15.1% | 11.1% |
| 2020–24 | 11.6% | 14.1% | 14.4% | 9.6% |
| Change | −5.9 pts | +3.2 pts | +0.5 pts | −1.8 pts |
A few more homes sit empty in Assumption Parish than nationally: 11.6%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Locally, though, the rate is lower than in the wider Baton Rouge area (14.1%).
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 1975 | 1982 | 1977 | 1974 |
| 2010–14 | 1978 | 1984 | 1979 | 1975 |
| 2015–19 | 1979 | 1986 | 1981 | 1977 |
| 2020–24 | 1984 | 1990 | 1984 | 1980 |
| Change | +9 | +9 | +7 | +6 |
The typical home in Assumption Parish was built around 1984, about the same vintage as the country's housing overall (1980). Homes here are older than in the wider Baton Rouge area, where the median home dates to 1990. The median year built has moved up from 1975 in 2006–10, a sign of steady new building. The newest homes are mostly in the northwest, the oldest in the east.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | $583 | $775 | $755 | $965 |
| 2010–14 | $631 | $890 | $831 | $1,040 |
| 2015–19 | $837 | $1,001 | $920 | $1,213 |
| 2020–24 | $816 | $1,207 | $1,122 | $1,571 |
| Change | +$233 | +$432 | +$366 | +$606 |
The median renter in Assumption Parish pays $816 a month for rent and utilities, well below the national median of $1,571. Rents are up $233 a month from 2006–10, a 40% rise, a slower climb than the nation's. Rent takes 36.9% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the west; the highest are in the southeast.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Assumption Parish
Bachelor's degrees in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.9% | 26.3% | 22.0% | 28.4% |
| 2010–14 | 11.2% | 27.9% | 22.8% | 29.6% |
| 2015–19 | 9.5% | 28.6% | 24.5% | 32.1% |
| 2020–24 | 13.8% | 31.5% | 27.5% | 35.6% |
| Change | +4.9 pts | +5.3 pts | +5.5 pts | +7.2 pts |
College degrees are relatively uncommon in Assumption Parish: 13.8% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 4.9 points since 2006–10, mirroring the country. College graduates are most concentrated in the north and least in the southeast.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 68.5% | 85.1% | 81.7% | 84.9% |
| 2010–14 | 72.0% | 86.9% | 83.3% | 86.1% |
| 2015–19 | 74.4% | 87.7% | 85.4% | 87.7% |
| 2020–24 | 79.8% | 88.9% | 87.2% | 89.3% |
| Change | +11.3 pts | +3.8 pts | +5.5 pts | +4.3 pts |
About one in five adults in Assumption Parish never finished high school, well above the national share: only 79.8% have a diploma or equivalent, against 89.3% nationally. Since 2006–10, the share with a diploma has risen 11.3 points, as it has nationally. Assumption Parish has a lower share of high school graduates than the great majority of Louisiana counties.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Assumption Parish
| Period | Assumption Parish | Baton Rouge area | Louisiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.6% | 6.8% | 7.9% | 8.1% |
| 2010–14 | 12.2% | 7.7% | 8.7% | 9.4% |
| 2015–19 | 6.7% | 6.2% | 6.7% | 5.6% |
| 2020–24 | 5.8% | 6.8% | 6.5% | 5.4% |
| Change | −1.8 pts | +0.0 pts | −1.4 pts | −2.7 pts |
Unemployment in Assumption Parish is close to the national rate: 5.8% of the labor force, against 5.4%. The rate is lower than in the Baton Rouge area as a whole (6.8%). Unemployment has fallen 1.8 points since 2006–10, in line with the national trend.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Assumption Parish compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Assumption Parish | 2.29 | 43.5 | 11.8% | 15.2% | 11.6% | 1984 | $816 | 13.8% | 79.8% | 5.8% |
| St. Mary Parish | 2.62 | 39.7 | 17.4% | 31.4% | 16.2% | 1977 | $884 | 13.7% | 79.7% | 4.9% |
| St. James Parish | 2.56 | 42.7 | 13.0% | 15.6% | 13.5% | 1986 | $1,125 | 19.7% | 87.7% | 4.0% |
| Ascension Parish | 2.78 | 37.8 | 14.0% | 19.0% | 8.6% | 2000 | $1,371 | 28.7% | 89.1% | 4.5% |
| Iberville Parish | 2.44 | 40.3 | 18.9% | 24.9% | 16.4% | 1988 | $877 | 18.5% | 83.9% | 6.7% |
| Terrebonne Parish | 2.55 | 39.8 | 15.4% | 24.7% | 11.2% | 1983 | $1,005 | 19.1% | 83.7% | 4.7% |
| Lafourche Parish | 2.55 | 39.9 | 14.8% | 20.1% | 9.3% | 1985 | $981 | 22.5% | 84.0% | 3.7% |
| St. John the Baptist Parish | 2.81 | 39.5 | 20.9% | 22.5% | 16.1% | 1985 | $1,434 | 20.0% | 86.7% | 10.3% |
| East Baton Rouge Parish | 2.57 | 35.6 | 14.5% | 40.7% | 15.9% | 1985 | $1,259 | 39.3% | 90.2% | 8.3% |
| West Baton Rouge Parish | 2.52 | 37.4 | 9.9% | 23.2% | 8.8% | 1993 | $1,070 | 24.9% | 91.7% | 6.2% |
| Livingston Parish | 2.79 | 37.3 | 13.6% | 19.3% | 10.9% | 2000 | $1,159 | 20.3% | 87.9% | 4.3% |
All figures 2020–24.
Counties with similar populations: Lamar County, AL · Lawrence County, KY · Langlade County, WI · Roseau County, MN · Duchesne County, UT · Salinas Municipio, PR · Dukes County, MA · Braxton County, WV · Brantley County, GA · San Juan County, UT
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Assumption Parish. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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