South Branch, MN Demographics

Population 327 · Census ACS 2020–24

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South Branch, MN map of median age by neighborhood
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Population and households in South Branch

Household size in South Branch

Household size, people per household
PeriodSouth BranchMinnesotaU.S.
2006–102.482.522.68
2010–142.322.542.73
2015–192.362.552.71
2020–242.782.522.65
Change+0.30+0.00−0.03
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Households in South Branch average 2.78 people, a bit above the national 2.65, so families with children are somewhat more common here. Since 2006–10, household size has climbed from 2.48, but in a place this small, much of that may be survey noise rather than real change.

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 South Branch

Median age, years
PeriodSouth BranchMinnesotaU.S.
2006–1046.237.937.7
2010–1448.738.938.6
2015–1946.239.639.6
2020–2442.140.040.1
Change−4.1+2.1+2.3
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The median resident of South Branch is 42.1 years old, a bit older than the national median of 40.1.

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 South Branch

Single-parent households, % of households
PeriodSouth BranchMinnesotaU.S.
2006–104.3%9.9%12.3%
2010–146.3%10.2%12.3%
2015–197.7%9.7%11.6%
2020–248.9%9.6%11.6%
Change+4.5 pts−0.3 pts−0.6 pts
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Single parents head about one in twelve households in South Branch (8.9%), below the national share of 11.6%. That is in line with the rest of Minnesota.

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 South Branch

Renters in South Branch

Renters, % of occupied homes
PeriodSouth BranchMinnesotaU.S.
2006–1010.3%25.8%33.3%
2010–1416.0%27.9%35.6%
2015–1911.8%28.4%36.0%
2020–2416.4%27.8%34.8%
Change+6.1 pts+2.0 pts+1.5 pts
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Only 16.4% of households in South Branch rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Just over half of owners (53.1%) have paid off their mortgages, well above the national share of 39.8%.

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 South Branch

Vacant homes, % of all homes
PeriodSouth BranchMinnesotaU.S.
2006–1010.9%9.2%11.4%
2010–1414.0%9.0%11.4%
2015–1915.2%8.7%11.1%
2020–2411.0%8.3%9.6%
Change+0.1 pts−0.9 pts−1.8 pts
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About as many homes sit empty in South Branch as nationally: 11.0%, against 9.6%. The rate is higher than in Minnesota overall (8.3%).

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 South Branch

Age of homes, median year built
PeriodSouth BranchMinnesotaU.S.
2006–10193819731974
2010–14193919741975
2015–19194119751977
2020–24194819781980
Change+10+5+6
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South Branch is a place of older homes: half were built before 1948, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.

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 South Branch

Rent, per month
PeriodSouth BranchMinnesotaU.S.
2006–10$428$882$965
2010–14$559$953$1,040
2015–19$596$1,099$1,213
2020–24$886$1,404$1,571
Change+$458+$522+$606
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Rent in South Branch runs $886 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 17.6% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.

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 South Branch

Bachelor's degrees in South Branch

Bachelor's degrees, % of adults 25+
PeriodSouth BranchMinnesotaU.S.
2006–1013.0%32.1%28.4%
2010–1415.2%33.7%29.6%
2015–1918.6%36.2%32.1%
2020–2419.0%39.6%35.6%
Change+6.1 pts+7.4 pts+7.2 pts
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College degrees are relatively uncommon in South Branch: 19.0% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.

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 South Branch

High school graduates, % of adults 25+
PeriodSouth BranchMinnesotaU.S.
2006–1087.6%91.4%84.9%
2010–1492.6%92.2%86.1%
2015–1993.0%93.0%87.7%
2020–2489.0%93.7%89.3%
Change+1.4 pts+2.3 pts+4.3 pts
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High school completion in South Branch is close to the national rate: 89.0% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Minnesota as a whole (93.7%).

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 South Branch

Unemployment, % of the labor force
PeriodSouth BranchMinnesotaU.S.
2006–106.0%6.5%8.1%
2010–144.0%6.5%9.4%
2015–190.7%3.7%5.6%
2020–241.6%4.1%5.4%
Change−4.4 pts−2.4 pts−2.7 pts
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Unemployment in South Branch has been low: just 1.6% of the labor force was out of work and looking, well below the national rate of 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).

South Branch compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
South Branch2.7842.18.9%16.4%11.0%1948$88619.0%89.0%1.6%
Ormsby2.4742.26.5%14.2%14.7%1949$1,05621.3%96.9%1.7%
Lewisville2.8043.18.7%14.9%10.8%1948$90518.1%88.9%1.5%
Truman2.3534.211.9%31.4%9.7%1952$1,02722.1%94.4%1.5%
St. James2.6838.814.3%30.1%15.8%1969$79516.7%85.0%7.2%
Grogan2.7543.96.0%5.7%10.7%1946$1,01922.8%98.0%1.3%
Odin2.3848.94.3%7.3%22.8%1959$1,22816.4%97.4%1.7%
Northrop2.4146.09.8%12.2%10.6%1960$75117.4%92.0%1.9%
Trimont2.1142.07.0%27.2%8.2%1951$73423.7%98.1%1.4%
Willow Creek2.4342.29.2%14.8%9.8%1940$91123.1%95.0%3.0%
La Salle2.6044.48.2%6.7%12.9%1942$84131.4%96.8%2.5%

All figures 2020–24.

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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 South Branch. 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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