Obsidian, ID Demographics

Population 33 · Census ACS 2020–24

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Obsidian, ID map of median age by neighborhood
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Population and households in Obsidian

Household size in Obsidian

Household size, people per household
PeriodObsidianIdahoU.S.
2006–102.082.722.68
2010–141.982.782.73
2015–192.502.762.71
2020–241.842.792.65
Change−0.24+0.07−0.03
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Obsidian is a place of small households, averaging 1.84 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 2.08, 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 Obsidian

Median age, years
PeriodObsidianIdahoU.S.
2006–1043.035.537.7
2010–1453.536.638.6
2015–1949.437.639.6
2020–2460.138.240.1
Change+17.1+2.7+2.3
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With a median age of 60.1, Obsidian is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

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 Obsidian

Single-parent households, % of households
PeriodObsidianIdahoU.S.
2006–104.4%10.0%12.3%
2010–147.0%10.2%12.3%
2015–1912.3%9.3%11.6%
2020–242.8%9.3%11.6%
Change−1.6 pts−0.7 pts−0.6 pts
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Single parents head only 2.8% of households in Obsidian, 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 Obsidian

Renters in Obsidian

Renters, % of occupied homes
PeriodObsidianIdahoU.S.
2006–1040.1%29.0%33.3%
2010–1429.4%30.8%35.6%
2015–1926.5%30.0%36.0%
2020–2430.6%27.9%34.8%
Change−9.5 pts−1.1 pts+1.5 pts
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About three in ten households in Obsidian rent their homes (30.6%), a little below the national share of 34.8%; the rest own. Idaho as a whole looks much the same. Nearly two-thirds of owners (64.5%) 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 Obsidian

Vacant homes, % of all homes
PeriodObsidianIdahoU.S.
2006–1056.1%10.4%11.4%
2010–1461.9%11.0%11.4%
2015–1968.7%10.5%11.1%
2020–2453.8%9.3%9.6%
Change−2.3 pts−1.1 pts−1.8 pts
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Vacancy is high in Obsidian: 53.8% of homes are empty, 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 Obsidian

Age of homes, median year built
PeriodObsidianIdahoU.S.
2006–10197619821974
2010–14198119841975
2015–19198119861977
2020–24198319891980
Change+7+7+6
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Homes in Obsidian are about the same age as the nation's housing: the median home was built in 1983, versus 1980 nationally. Homes here are older than in Idaho overall, where the median home dates to 1989.

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 Obsidian

Rent, per month
PeriodObsidianIdahoU.S.
2006–10$930$766$965
2010–14$969$820$1,040
2015–19$1,026$941$1,213
2020–24$1,209$1,407$1,571
Change+$280+$641+$606
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Rent in Obsidian runs $1,209 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 22.9% 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 Obsidian

Bachelor's degrees in Obsidian

Bachelor's degrees, % of adults 25+
PeriodObsidianIdahoU.S.
2006–1054.1%25.0%28.4%
2010–1457.2%25.9%29.6%
2015–1958.6%27.8%32.1%
2020–2467.8%31.7%35.6%
Change+13.7 pts+6.6 pts+7.2 pts
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Obsidian is highly educated: about two-thirds of adults 25 and older (67.8%) hold at least a bachelor's degree, far above 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 Obsidian

High school graduates, % of adults 25+
PeriodObsidianIdahoU.S.
2006–1093.5%88.7%84.9%
2010–1495.9%89.3%86.1%
2015–1994.8%90.8%87.7%
2020–2497.9%92.1%89.3%
Change+4.4 pts+3.4 pts+4.3 pts
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Finishing high school is nearly universal in Obsidian: 97.9% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.

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 Obsidian

Unemployment, % of the labor force
PeriodObsidianIdahoU.S.
2006–109.2%7.0%8.1%
2010–145.8%8.1%9.4%
2015–192.6%4.4%5.6%
2020–240.0%3.8%5.4%
Change−9.2 pts−3.2 pts−2.7 pts
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The survey found almost no one in Obsidian out of work and looking, against 5.4% of the labor force nationally. 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).

Obsidian compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Obsidian1.8460.12.8%30.6%53.8%1983$1,20967.8%97.9%0.0%
Atlanta2.0361.72.6%8.7%55.6%1986$89427.6%92.4%3.5%
Ketchum1.8056.32.9%22.4%52.7%1981$1,24263.7%97.9%0.4%
Sun Valley1.9657.43.3%22.9%61.9%1982$1,74567.7%96.3%0.0%
Magic City1.7267.93.5%41.1%57.4%1979$1,39567.4%99.9%0.0%
Sunbeam1.7466.41.7%0.6%46.3%1987$69154.6%100.0%0.0%
Triumph2.8253.512.9%17.3%12.7%1994$1,71265.6%100.0%2.4%
Stanley1.7466.41.7%0.6%46.3%1987$69154.6%100.0%0.0%
Lower Stanley1.8465.44.5%3.0%50.5%1983$79942.8%98.4%1.5%
Torreys1.7466.41.7%0.6%46.3%1987$69154.6%100.0%0.0%
Hailey2.6542.812.9%28.6%9.3%1990$1,28944.5%90.2%2.6%

All figures 2020–24.

Cities with similar populations: West Eaton, NY · Cats Bridge, VA · Cattron, SD · Cedar Run, PA · Center Square, IN · Champ, MO · Wayne, KS · Wenasoga, MS · Wesley, MD · West Dummerston, 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 Obsidian. 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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