Summertown, TN Demographics

Population 5,755 · Census ACS 2020–24

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Summertown, TN map of median age by neighborhood
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Population and households in Summertown

Household size in Summertown

Household size, people per household
PeriodSummertownNashville areaTennesseeU.S.
2006–102.712.572.532.68
2010–142.822.632.572.73
2015–192.852.642.572.71
2020–243.092.562.532.65
Change+0.38−0.01+0.00−0.03
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Households in Summertown are large by national standards, averaging 3.09 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.71 in 2006–10, even as the national average fell. Of the 202 Tennessee cities with 5,000+ people, only three have larger 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 Summertown

Median age, years
PeriodSummertownNashville areaTennesseeU.S.
2006–1037.436.638.337.7
2010–1439.537.339.238.6
2015–1938.637.939.939.6
2020–2437.338.039.940.1
Change−0.2+1.5+1.6+2.3
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Summertown is younger than the country as a whole: its median age is 37.3, against 40.1 nationally. The youngest areas are in the southeast, the oldest in the west. Summertown is younger than the great majority of Tennessee cities.

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 Summertown

Single-parent households, % of households
PeriodSummertownNashville areaTennesseeU.S.
2006–108.3%11.7%12.2%12.3%
2010–148.5%11.6%12.0%12.3%
2015–1910.1%10.7%11.6%11.6%
2020–247.6%10.7%11.8%11.6%
Change−0.7 pts−1.0 pts−0.4 pts−0.6 pts
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Single-parent households are relatively rare in Summertown: 7.6% of households, against 11.6% nationally. The single-parent share is down 0.7 points from 2006–10, mirroring the country. Summertown has a lower share of single-parent households than at least four in five Tennessee cities.

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 Summertown

Renters in Summertown

Renters, % of occupied homes
PeriodSummertownNashville areaTennesseeU.S.
2006–1017.6%31.5%30.4%33.3%
2010–1414.3%34.2%32.9%35.6%
2015–1923.3%34.2%33.7%36.0%
2020–2416.5%34.8%33.1%34.8%
Change−1.1 pts+3.3 pts+2.6 pts+1.5 pts
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Only 16.5% of households in Summertown rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 46.4% have no mortgage at all, above the national share of 39.8%. Since 2006–10, the renter share has edged down 1.1 points, 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 Summertown

Vacant homes, % of all homes
PeriodSummertownNashville areaTennesseeU.S.
2006–1019.5%9.1%11.5%11.4%
2010–1411.6%8.8%11.8%11.4%
2015–1917.9%8.5%11.8%11.1%
2020–246.9%8.2%10.1%9.6%
Change−12.6 pts−0.9 pts−1.4 pts−1.8 pts
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Fewer homes sit empty in Summertown than nationally: 6.9%, against 9.6% for the U.S. That is in line with the rest of the Nashville area. Since 2006–10, vacancy has fallen 12.6 points, a much bigger shift than nationally.

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 Summertown

Age of homes, median year built
PeriodSummertownNashville areaTennesseeU.S.
2006–101989198419811974
2010–141992198519821975
2015–191990198819831977
2020–241997199219861980
Change+8+9+6+6
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Much of the housing in Summertown is relatively new: half of its homes were built after 1997, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1989 in 2006–10, a sign of steady new building. Summertown has newer homes than the great majority of Tennessee cities.

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 Summertown

Rent, per month
PeriodSummertownNashville areaTennesseeU.S.
2006–10$490$905$761$965
2010–14$542$986$837$1,040
2015–19$668$1,212$961$1,213
2020–24$816$1,653$1,286$1,571
Change+$326+$749+$526+$606
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The median renter in Summertown pays $816 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $326 a month since 2006–10, up 66%, faster than rents rose nationally. The typical renter here spends 20.6% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Rents run highest in the east and lowest in the northwest.

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 Summertown

Bachelor's degrees in Summertown

Bachelor's degrees, % of adults 25+
PeriodSummertownNashville areaTennesseeU.S.
2006–1014.6%30.1%23.9%28.4%
2010–149.8%32.0%25.3%29.6%
2015–1910.9%36.3%27.9%32.1%
2020–2415.2%41.0%31.4%35.6%
Change+0.6 pts+10.9 pts+7.5 pts+7.2 pts
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Fewer adults in Summertown have a four-year degree than in the country as a whole: 15.2%, against 35.6% nationally. The share with a degree is up 0.6 points from 2006–10, a smaller shift than nationally. Summertown has a lower share of college graduates than the great majority of Tennessee cities.

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 Summertown

High school graduates, % of adults 25+
PeriodSummertownNashville areaTennesseeU.S.
2006–1076.8%86.5%83.3%84.9%
2010–1483.8%88.0%85.4%86.1%
2015–1980.6%90.0%87.6%87.7%
2020–2485.1%91.7%89.9%89.3%
Change+8.3 pts+5.1 pts+6.6 pts+4.3 pts
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Just over one in seven adults in Summertown never finished high school, more than nationally: 85.1% have a diploma or equivalent, against 89.3% across the U.S. The share with a diploma is up 8.3 points from 2006–10, in line with the national trend.

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 Summertown

Unemployment, % of the labor force
PeriodSummertownNashville areaTennesseeU.S.
2006–1010.0%7.2%8.6%8.1%
2010–146.7%7.8%9.6%9.4%
2015–199.0%3.9%5.4%5.6%
2020–245.4%3.6%4.8%5.4%
Change−4.6 pts−3.6 pts−3.8 pts−2.7 pts
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At 5.4%, unemployment in Summertown is the same as the national rate. The rate is higher than in the wider Nashville area (3.6%). Since 2006–10, unemployment has fallen 4.6 points, as it has nationally.

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).

Summertown compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Summertown3.0937.37.6%16.5%6.9%1997$81615.2%85.1%5.4%
Rockdale3.0535.811.0%10.0%11.4%1999$90420.3%91.5%7.9%
Henryville3.0534.511.3%17.8%10.1%1987$67812.3%79.5%3.4%
Three Oaks3.4427.53.2%5.5%10.5%1999$80422.6%83.7%12.3%
Ethridge3.2629.37.6%14.1%11.3%1985$75814.2%74.7%2.3%
Sandy Hook2.8440.823.1%9.9%15.0%1992$89116.0%93.7%1.2%
Napier2.4043.66.0%14.3%5.5%1992$68510.8%83.5%5.4%
Mount Joy2.5441.78.3%21.8%6.0%1997$86913.3%87.1%3.5%
Screamer2.6242.65.6%23.4%14.0%1991$83616.4%83.4%9.0%
Mount Pleasant2.5340.812.3%29.2%7.8%1981$96614.5%91.7%3.5%
Flatwoods2.7837.28.3%21.5%19.5%1988$85115.9%85.0%3.1%

All figures 2020–24.

Cities with similar populations: Battle Mountain, NV · Irrigon, OR · Kansasville, WI · Bellevue, IA · Ketchum, ID · Marion, AL · Bayport, MN · Bayou Vista, LA · Bay Pines, FL · Maricao, PR

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 Summertown. 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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