Southgate Triangle, Missoula, MT Demographics

Population 2,754 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Southgate Triangle, Missoula, MT map of median age by neighborhood
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Population and households in Southgate Triangle

Household size in Southgate Triangle

Household size, people per household
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–101.992.342.412.68
2010–142.022.342.452.73
2015–192.012.302.442.71
2020–242.042.272.442.65
Change+0.05−0.07+0.03−0.03
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Southgate Triangle is a place of small households, averaging 2.04 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Compared with other Missoula neighborhoods, Southgate Triangle has smaller households than most.

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 Southgate Triangle

Median age, years
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–1036.534.439.937.7
2010–1440.035.540.838.6
2015–1934.235.941.539.6
2020–2434.136.441.540.1
Change−2.4+2.0+1.6+2.3
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Southgate Triangle is young: half of its residents are under 34.1, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples. The median age has dropped from 36.5 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Southgate Triangle

Single-parent households, % of households
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–104.8%8.4%9.4%12.3%
2010–1412.6%9.3%9.8%12.3%
2015–198.8%8.4%8.7%11.6%
2020–2412.0%9.3%8.8%11.6%
Change+7.2 pts+0.9 pts−0.6 pts−0.6 pts
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Single-parent households are about as common in Southgate Triangle as they are nationally: 12.0%, against 11.6%. Single parents are more common here than in Missoula overall (9.3%).

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 Southgate Triangle

Renters in Southgate Triangle

Renters, % of occupied homes
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–1050.3%43.8%31.0%33.3%
2010–1451.5%45.4%32.3%35.6%
2015–1959.9%46.6%31.9%36.0%
2020–2458.5%46.8%30.8%34.8%
Change+8.2 pts+2.9 pts−0.1 pts+1.5 pts
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Most households in Southgate Triangle rent: 58.5% of occupied homes are rented, far above the national share of 34.8%. Expect more apartments, and more turnover, than in owner-heavy areas. Among homeowners, 28.2% have no mortgage at all, well below 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 Southgate Triangle

Vacant homes, % of all homes
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–106.8%7.5%13.2%11.4%
2010–144.8%7.5%13.9%11.4%
2015–193.4%6.5%14.1%11.1%
2020–246.3%7.0%12.2%9.6%
Change−0.5 pts−0.5 pts−0.9 pts−1.8 pts
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Vacancy is on the low side in Southgate Triangle: 6.3% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The picture is much the same across Missoula.

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 Southgate Triangle

Age of homes, median year built
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–101970197819741974
2010–141970197719771975
2015–191974197819781977
2020–241975198319821980
Change+5+5+7+6
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Homes in Southgate Triangle run a bit older than the national norm, with a median build year of 1975 against 1980.

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 Southgate Triangle

Rent, per month
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–10$663$763$703$965
2010–14$713$847$775$1,040
2015–19$928$939$870$1,213
2020–24$1,244$1,350$1,189$1,571
Change+$581+$587+$487+$606
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A typical rental in Southgate Triangle costs $1,244 a month with utilities, well below the national median of $1,571. Rent takes 29.6% of the typical renter's income, just under the 30% mark often used to define affordable rent.

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 Southgate Triangle

Bachelor's degrees in Southgate Triangle

Bachelor's degrees, % of adults 25+
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–1035.3%39.5%28.7%28.4%
2010–1433.1%42.5%29.8%29.6%
2015–1934.3%45.9%32.2%32.1%
2020–2444.5%49.4%35.3%35.6%
Change+9.2 pts+9.9 pts+6.6 pts+7.2 pts
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College degrees are more common in Southgate Triangle than nationally: 44.5% of adults 25 and older have a bachelor's or higher, against 35.6%. Locally, though, the share is lower than in Missoula as a whole (49.4%).

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 Southgate Triangle

High school graduates, % of adults 25+
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–1092.8%92.6%91.2%84.9%
2010–1494.5%95.0%92.6%86.1%
2015–1997.9%96.0%93.6%87.7%
2020–2497.6%96.5%94.6%89.3%
Change+4.8 pts+3.9 pts+3.4 pts+4.3 pts
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Finishing high school is nearly universal in Southgate Triangle: 97.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The picture is much the same across Missoula.

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 Southgate Triangle

Unemployment, % of the labor force
PeriodSouthgate TriangleMissoulaMontanaU.S.
2006–107.0%6.1%5.7%8.1%
2010–148.7%9.1%6.9%9.4%
2015–196.6%4.5%4.2%5.6%
2020–245.6%3.8%3.7%5.4%
Change−1.4 pts−2.3 pts−2.0 pts−2.7 pts
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Unemployment in Southgate Triangle is close to the national rate: 5.6% of the labor force, against 5.4%. The rate is higher than in Missoula as a whole (3.8%). 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).

Southgate Triangle compared with nearby neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Southgate Triangle2.0434.112.0%58.5%6.3%1975$1,24444.5%97.6%5.6%
Lewis and Clark2.1136.822.0%52.3%5.6%1969$1,42956.9%99.1%3.1%
South 39th Street2.6744.513.5%22.3%6.6%1974$1,78250.3%97.9%2.4%
Franklin To The Fort2.1037.712.3%52.0%6.1%1980$1,20944.3%95.6%2.9%
Rose Park1.9634.49.1%56.4%6.1%1958$1,12665.6%97.7%3.1%
Moose Can Gully2.6538.510.2%36.2%4.0%1980$1,56944.9%94.8%2.4%
University District2.3125.35.7%58.6%9.8%1952$1,14870.7%99.9%10.1%
Emma Dickinson Orchard Homes1.9832.28.7%56.6%9.4%1993$1,18442.6%94.7%2.7%
Miller Creek2.9140.48.3%25.2%4.1%1999$1,46053.4%96.8%6.3%
Heart of Missoula1.7133.713.0%81.2%12.9%1967$1,03551.1%92.1%8.0%
Westside1.9332.87.0%66.7%6.1%1995$1,26734.4%93.9%4.4%

All figures 2020–24.

Neighborhoods with similar populations: Fort Caroline Shores, Jacksonville, FL · The Gulch, Nashville, TN · The Flats, Wilmington, DE · The Boulevards, Canton, OH · Sunset, Tempe, AZ · Sunset, Boise, ID · Sunnyland, Washington, IL · Sunnyheights, Pueblo, CO · Gaffney Lane, Oregon City, OR · Fox Farm, Great Falls, MT

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 Southgate Triangle. 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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