Piety Corner, Waltham, MA Demographics

Population 6,593 · Census ACS 2020–24

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Piety Corner, Waltham, MA map of median age by neighborhood
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Population and households in Piety Corner

Household size in Piety Corner

Household size, people per household
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–102.242.242.542.532.68
2010–142.402.302.592.572.73
2015–192.312.312.602.572.71
2020–242.022.252.552.522.65
Change−0.22+0.01+0.01−0.01−0.03
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Piety Corner is a place of small households, averaging 2.02 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.24, a much bigger shift than nationally. The biggest households, usually families with children, are concentrated in the west.

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 Piety Corner

Median age, years
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–1032.737.138.939.437.7
2010–1432.936.339.740.138.6
2015–1932.736.240.441.039.6
2020–2437.637.440.841.440.1
Change+4.8+0.3+1.9+2.0+2.3
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Piety Corner is a little younger than the country as a whole: its median age is 37.6, against 40.1 nationally. Waltham as a whole looks much the same. The median age has climbed from 32.7 in 2006–10, as it has nationally.

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 Piety Corner

Single-parent households, % of households
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–109.7%7.9%10.4%11.0%12.3%
2010–146.8%7.5%10.2%11.0%12.3%
2015–198.1%5.8%9.6%10.3%11.6%
2020–247.7%7.4%9.7%10.6%11.6%
Change−2.0 pts−0.5 pts−0.7 pts−0.4 pts−0.6 pts
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Single-parent households are relatively rare in Piety Corner: 7.7% of households, against 11.6% nationally. That is in line with the rest of Waltham. The single-parent share is down 2.0 points from 2006–10, a much bigger shift than nationally.

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 Piety Corner

Renters in Piety Corner

Renters, % of occupied homes
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–1043.6%52.8%36.8%36.0%33.3%
2010–1439.2%50.7%38.5%37.7%35.6%
2015–1936.8%48.3%38.3%37.6%36.0%
2020–2441.1%50.3%38.4%37.5%34.8%
Change−2.5 pts−2.5 pts+1.6 pts+1.5 pts+1.5 pts
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Renting is a bit more common in Piety Corner than nationally: 41.1% of households rent their homes, against 34.8% for the U.S. Even so, renters make up a smaller share here than in Waltham overall (50.3%). Among homeowners, 43.9% have no mortgage at all, above the national share of 39.8%. The renter share is down 2.5 points from 2006–10, even as the national share rose.

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 Piety Corner

Vacant homes, % of all homes
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–106.9%7.8%8.1%9.5%11.4%
2010–146.0%7.8%7.4%9.1%11.4%
2015–196.6%7.3%7.3%8.9%11.1%
2020–245.1%5.6%6.7%7.9%9.6%
Change−1.7 pts−2.2 pts−1.4 pts−1.6 pts−1.8 pts
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Empty homes are scarce in Piety Corner: just 5.1% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Waltham as a whole looks much the same. Since 2006–10, vacancy has fallen 1.7 points, in line with the national trend.

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 Piety Corner

Age of homes, median year built
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–1019651958195819581974
2010–1419671958195919591975
2015–1919721962196119611977
2020–2419791964196419631980
Change+13+5+6+5+6
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Homes in Piety Corner are about the same age as the nation's housing: the median home was built in 1979, versus 1980 nationally. Homes here are newer than in Waltham overall, where the median home dates to 1964. The median year built has moved up from 1965 in 2006–10, a sign of steady new building. The newest homes are mostly in the southeast, the oldest in the center.

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 Piety Corner

Rent, per month
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–10$1,344$1,381$1,171$1,085$965
2010–14$1,552$1,470$1,251$1,157$1,040
2015–19$1,715$1,790$1,537$1,398$1,213
2020–24$2,215$2,231$2,051$1,860$1,571
Change+$871+$850+$881+$775+$606
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Rent in Piety Corner runs $2,215 a month at the median, utilities included, well above the U.S. median of $1,571. Rent has climbed $871 a month since 2006–10, up 65%, roughly in step with the nation. The typical renter here spends 34.7% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the southeast; the most affordable are in the west.

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 Piety Corner

Bachelor's degrees in Piety Corner

Bachelor's degrees, % of adults 25+
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–1048.2%45.8%42.2%38.5%28.4%
2010–1459.4%50.4%44.1%40.1%29.6%
2015–1956.5%55.8%48.2%43.6%32.1%
2020–2457.5%58.5%51.9%47.2%35.6%
Change+9.3 pts+12.7 pts+9.7 pts+8.7 pts+7.2 pts
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College graduates are unusually common in Piety Corner: 57.5% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. The share with a degree is up 9.3 points from 2006–10, mirroring the country.

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 Piety Corner

High school graduates, % of adults 25+
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–1091.7%89.0%89.8%88.4%84.9%
2010–1491.1%89.6%90.6%89.3%86.1%
2015–1996.5%92.2%91.5%90.5%87.7%
2020–2490.7%92.6%91.8%91.0%89.3%
Change−1.0 pts+3.6 pts+2.1 pts+2.6 pts+4.3 pts
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High school completion in Piety Corner is close to the national rate: 90.7% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Waltham as a whole (92.6%). Since 2006–10, the share with a diploma has edged down 1.0 points, even as the national rate rose.

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 Piety Corner

Unemployment, % of the labor force
PeriodPiety CornerWalthamBoston areaMassachusettsU.S.
2006–107.9%5.1%7.0%7.5%8.1%
2010–145.7%6.2%8.0%8.7%9.4%
2015–193.2%3.1%4.6%5.0%5.6%
2020–243.5%3.9%4.9%5.2%5.4%
Change−4.4 pts−1.2 pts−2.1 pts−2.3 pts−2.7 pts
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Jobs have been easier to find in Piety Corner than nationally: unemployment was 3.5%, against 5.4%. Unemployment is down 4.4 points from 2006–10, as it has nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).

Piety Corner compared with nearby neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Piety Corner2.0237.67.7%41.1%5.1%1979$2,21557.5%90.7%3.5%
The Lanes2.4347.35.1%16.2%4.4%1962$2,33451.8%95.3%2.2%
North Waltham2.2345.36.1%33.4%6.0%1972$2,29149.0%92.3%3.7%
Waltham Highlands2.3340.54.1%36.1%7.2%1946$1,69158.4%94.6%3.0%
Lakeview2.2534.87.4%65.1%3.6%1972$2,76669.8%97.1%3.1%
Bleachery2.0539.06.9%64.4%5.5%1972$2,50754.4%90.8%4.5%
Bank Square2.3834.012.8%64.7%8.7%1953$2,01051.9%83.9%5.9%
Warrendale2.3941.87.7%28.7%4.8%1960$2,04654.7%92.5%5.8%
South Side2.2134.38.4%66.4%4.9%1953$2,03662.1%93.1%4.3%
Bemis2.2840.27.3%56.5%6.6%1960$2,52967.7%95.9%5.7%
Waverley Square2.4741.89.0%42.1%5.8%1946$2,43973.8%95.5%4.2%

All figures 2020–24.

Neighborhoods with similar populations: Arlington Ridge, Arlington, VA · Woodlake, San Antonio, TX · White City, Fort Pierce, FL · White Bridge, Nashville, TN · Westowne, Catonsville, MD · Waterfront, Santa Barbara, CA · Washington Heights, Milwaukee, WI · Vine City, Atlanta, GA · Victorian Village, Columbus, OH · The Woods at Mill Valley, Marysville, OH

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 Piety Corner. 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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