Assumption Parish, San Leandro, CA Demographics

Population 4,128 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Assumption Parish, San Leandro, CA map of median age by neighborhood
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Population and households in Assumption Parish

Household size in Assumption Parish

Household size, people per household
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–102.342.882.743.042.68
2010–142.422.832.793.102.73
2015–192.492.932.833.092.71
2020–242.892.932.753.012.65
Change+0.56+0.05+0.01−0.03−0.03
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The typical household in Assumption Parish holds 2.89 people, more than the U.S. average of 2.65. That is in line with the rest of San Leandro. Household size has climbed from 2.34 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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

Median age, years
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–1045.238.638.635.837.7
2010–1442.841.139.436.838.6
2015–1941.740.940.137.939.6
2020–2443.543.141.339.040.1
Change−1.7+4.5+2.7+3.1+2.3
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Assumption Parish skews older than the country: its median age is 43.5, against 40.1 nationally. That is in line with the rest of San Leandro.

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

Single-parent households, % of households
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–105.2%12.0%10.3%13.5%12.3%
2010–146.9%11.3%9.9%13.5%12.3%
2015–197.9%11.7%9.1%12.3%11.6%
2020–248.6%9.9%8.8%12.3%11.6%
Change+3.4 pts−2.1 pts−1.5 pts−1.2 pts−0.6 pts
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Single parents head about one in twelve households in Assumption Parish (8.6%), below the national share of 11.6%.

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

Renters, % of occupied homes
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–1030.4%41.8%43.7%42.6%33.3%
2010–1441.5%44.5%46.2%45.2%35.6%
2015–1931.3%44.0%45.3%45.2%36.0%
2020–2433.2%41.8%44.5%44.1%34.8%
Change+2.8 pts−0.0 pts+0.8 pts+1.5 pts+1.5 pts
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About a third of households in Assumption Parish rent their homes (33.2%), close to the national share of 34.8%. Renters make up a smaller share here than in San Leandro overall (41.8%). Among owners, 34.0% have paid off their mortgages, below the national share of 39.8%. Only two of San Leandro's ten neighborhoods 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

Vacant homes, % of all homes
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–109.5%5.9%8.6%8.7%11.4%
2010–1412.3%5.0%7.1%8.1%11.4%
2015–197.4%5.5%6.5%7.5%11.1%
2020–2411.1%5.7%7.5%7.3%9.6%
Change+1.6 pts−0.3 pts−1.1 pts−1.4 pts−1.8 pts
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About as many homes sit empty in Assumption Parish as nationally: 11.1%, against 9.6%. The rate is higher than in San Leandro as a whole (5.7%). No other San Leandro neighborhood has a higher vacancy rate.

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

Age of homes, median year built
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–1019541959196419721974
2010–1419551960196519731975
2015–1919541960196619741977
2020–2419531960196819761980
Change−2+1+4+4+6
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The housing in Assumption Parish is old by national standards: the median home dates to 1953, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Only one other San Leandro neighborhood has older homes.

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

Rent, per month
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–10$1,317$1,254$1,452$1,298$965
2010–14$1,459$1,365$1,551$1,379$1,040
2015–19$1,611$1,806$2,139$1,721$1,213
2020–24$2,106$2,366$2,666$2,229$1,571
Change+$789+$1,112+$1,214+$931+$606
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The median renter in Assumption Parish pays $2,106 a month for rent and utilities, well above the national median of $1,571. Locally, though, rents here are lower than in San Leandro as a whole ($2,366). The typical renter here spends 37.8% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Assumption Parish has the lowest rents of any San Leandro neighborhood.

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

Bachelor's degrees, % of adults 25+
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–1038.7%27.2%42.5%29.1%28.4%
2010–1437.8%27.5%44.1%30.1%29.6%
2015–1940.9%32.0%48.9%32.9%32.1%
2020–2433.7%33.6%52.2%36.3%35.6%
Change−5.0 pts+6.4 pts+9.7 pts+7.1 pts+7.2 pts
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College degrees are about as common in Assumption Parish as nationally: 33.7% of adults 25 and older have a bachelor's or higher, against 35.6%. Assumption Parish has a higher share of college graduates than most San Leandro neighborhoods.

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

High school graduates, % of adults 25+
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–1086.2%83.0%86.8%79.9%84.9%
2010–1483.2%82.1%87.5%80.7%86.1%
2015–1984.7%83.3%88.8%82.6%87.7%
2020–2482.2%82.2%89.1%84.2%89.3%
Change−4.0 pts−0.9 pts+2.3 pts+4.3 pts+4.3 pts
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Just over one in six adults in Assumption Parish never finished high school, well above the national share: only 82.2% have a diploma or equivalent, against 89.3% nationally. That is in line with the rest of San Leandro. Compared with other San Leandro neighborhoods, though, Assumption Parish has a higher share of high school graduates than most.

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

Unemployment, % of the labor force
PeriodAssumption ParishSan LeandroSan Francisco areaCaliforniaU.S.
2006–108.9%9.3%7.8%9.2%8.1%
2010–147.3%9.4%8.9%11.3%9.4%
2015–197.3%5.3%4.6%6.3%5.6%
2020–245.1%5.0%5.8%6.6%5.4%
Change−3.9 pts−4.2 pts−2.0 pts−2.6 pts−2.7 pts
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Unemployment in Assumption Parish is close to the national rate: 5.1% of the labor force, against 5.4%. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

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 neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Assumption Parish2.8943.58.6%33.2%11.1%1953$2,10633.7%82.2%5.1%
Old San Leandro2.4038.414.5%60.1%7.5%1972$2,18837.2%85.5%4.4%
Upper Bal2.8142.15.1%55.0%5.8%1957$2,40619.2%72.6%3.0%
Estudillo Estates-Glen2.4643.512.4%47.5%10.5%1951$2,22450.1%91.2%3.0%
Lower Bal2.8743.87.3%43.5%4.0%1962$2,43127.7%80.7%1.9%
Floresta Gardens-Bradrick2.9044.111.5%45.4%3.8%1961$2,31628.7%76.5%7.8%
Chabot Park3.0344.39.2%12.1%5.5%1955$3,08251.6%92.7%5.1%
Durant Manor2.8743.610.9%42.3%8.1%1959$2,22031.0%80.1%3.2%
Davis Tract3.5642.512.9%48.5%5.4%1955$2,21622.9%79.4%4.5%
Sobrante Park3.4937.320.4%41.7%1.8%1951$2,27325.2%71.3%4.8%
North Stonehurst3.2435.619.0%52.1%4.4%1948$1,91117.6%71.7%4.8%

All figures 2020–24.

Neighborhoods with similar populations: Yuma Townsite, Yuma, AZ · North East, Olympia, WA · Coleytown, Westport, CT · Westmont, Tillmans Corner, AL · Brookside, Findlay, OH · Pennington-Prospect, Trenton, NJ · Moose Can Gully, Missoula, MT · Medina, Zapata, TX · Lee Hall, Newport News, VA · Silver Valley Addition, Sioux Falls, SD

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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