Marblemount, WA Demographics

Population 419 · Census ACS 2020–24

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Marblemount, WA map of median age by neighborhood
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Population and households in Marblemount

Household size in Marblemount

Household size, people per household
PeriodMarblemountWashingtonU.S.
2006–102.242.562.68
2010–141.952.622.73
2015–192.472.622.71
2020–242.302.612.65
Change+0.06+0.05−0.03
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Households in Marblemount are small: just 2.30 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home.

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 Marblemount

Median age, years
PeriodMarblemountWashingtonU.S.
2006–1054.338.037.7
2010–1452.938.738.6
2015–1946.439.339.6
2020–2454.739.640.1
Change+0.4+1.6+2.3
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Marblemount skews older: half of its residents are older than 54.7, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.

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 Marblemount

Single-parent households, % of households
PeriodMarblemountWashingtonU.S.
2006–104.3%10.9%12.3%
2010–144.5%10.6%12.3%
2015–1913.6%10.1%11.6%
2020–244.3%10.1%11.6%
Change+0.0 pts−0.8 pts−0.6 pts
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Single parents head only 4.3% of households in Marblemount, well 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 Marblemount

Renters in Marblemount

Renters, % of occupied homes
PeriodMarblemountWashingtonU.S.
2006–107.6%35.2%33.3%
2010–1431.8%37.3%35.6%
2015–1915.0%37.0%36.0%
2020–2425.9%36.2%34.8%
Change+18.3 pts+1.0 pts+1.5 pts
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Most households in Marblemount own their homes; 25.9% rent, below the national share of 34.8%. Among homeowners, 37.1% have no mortgage at all, about the same as nationally. Since 2006–10, the renter share has risen 18.3 points, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Marblemount

Vacant homes, % of all homes
PeriodMarblemountWashingtonU.S.
2006–1031.4%9.2%11.4%
2010–1425.2%9.2%11.4%
2015–1945.3%8.2%11.1%
2020–2435.5%7.6%9.6%
Change+4.1 pts−1.6 pts−1.8 pts
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Vacant homes make up 35.5% of the housing in Marblemount, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

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 Marblemount

Age of homes, median year built
PeriodMarblemountWashingtonU.S.
2006–10196519771974
2010–14196719791975
2015–19197219801977
2020–24198319841980
Change+19+6+6
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The typical home in Marblemount was built around 1983, about the same vintage as the country's housing overall (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 Marblemount

Rent, per month
PeriodMarblemountWashingtonU.S.
2006–10$975$1,018$965
2010–14$891$1,127$1,040
2015–19$1,009$1,390$1,213
2020–24$763$1,875$1,571
Change−$212+$858+$606
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Rent in Marblemount runs $763 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 16.2% 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 Marblemount

Bachelor's degrees in Marblemount

Bachelor's degrees, % of adults 25+
PeriodMarblemountWashingtonU.S.
2006–1025.6%31.0%28.4%
2010–1413.0%32.1%29.6%
2015–1922.9%35.5%32.1%
2020–2415.0%38.8%35.6%
Change−10.5 pts+7.8 pts+7.2 pts
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Fewer adults in Marblemount have a four-year degree than in the country as a whole: 15.0%, against 35.6% nationally.

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 Marblemount

High school graduates, % of adults 25+
PeriodMarblemountWashingtonU.S.
2006–1087.3%89.5%84.9%
2010–1482.4%90.0%86.1%
2015–1995.9%91.0%87.7%
2020–2487.1%91.9%89.3%
Change−0.2 pts+2.4 pts+4.3 pts
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About one in eight adults in Marblemount never finished high school, a bit more than nationally: 87.1% have a diploma or equivalent, against 89.3% across the U.S.

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 Marblemount

Unemployment, % of the labor force
PeriodMarblemountWashingtonU.S.
2006–1012.4%7.6%8.1%
2010–1412.4%8.9%9.4%
2015–192.4%5.1%5.6%
2020–240.1%5.1%5.4%
Change−12.3 pts−2.5 pts−2.7 pts
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The job market in Marblemount has been strong: just 0.1% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).

Marblemount compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Marblemount2.3054.74.3%25.9%35.5%1983$76315.0%87.1%0.1%
Rockport2.2852.35.2%26.0%36.9%1983$77015.6%86.9%0.9%
Newhalem1.9937.05.9%26.0%72.1%1979$1,07929.2%93.3%0.3%
Van Horn2.5740.319.2%15.2%10.4%1990$85912.2%90.8%13.5%
Concrete2.7039.118.9%18.1%23.6%1984$94713.1%82.9%8.8%
Grassmere2.7939.413.8%25.8%49.5%1990$91713.6%83.8%2.6%
Darrington2.4047.66.1%28.0%19.7%1980$86320.1%87.3%11.6%
Swede Heaven2.4657.02.7%9.2%26.7%1984$1,43022.4%98.0%0.0%
Hazel2.4657.02.7%9.2%26.7%1984$1,43022.4%98.0%0.0%
Hamilton2.5249.517.2%13.4%14.3%1989$1,31922.1%88.0%6.7%
Stehekin2.4049.17.1%26.5%34.2%1985$84019.6%83.7%1.5%

All figures 2020–24.

Cities with similar populations: North Star, OH · Prague, NE · Potters Fork, KY · Portland, OH · Pointer, KY · Point Nipigon, MI · Point Enterprise, TX · Plymouth, KS · Pioneertown, CA · Peru, VT

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 Marblemount. 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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