State Line, ID Demographics

Population 650 · Census ACS 2020–24

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

Household size in State Line

Household size, people per household
PeriodState LineIdahoU.S.
2006–102.772.722.68
2010–142.652.782.73
2015–192.592.762.71
2020–243.532.792.65
Change+0.76+0.07−0.03
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State Line is a place of big households: 3.53 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Since 2006–10, household size has climbed from 2.77, 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 State Line

Median age, years
PeriodState LineIdahoU.S.
2006–1038.835.537.7
2010–1437.636.638.6
2015–1941.337.639.6
2020–2436.638.240.1
Change−2.2+2.7+2.3
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The median resident of State Line is 36.6 years old, a few years younger 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 State Line

Single-parent households, % of households
PeriodState LineIdahoU.S.
2006–1011.8%10.0%12.3%
2010–1417.5%10.2%12.3%
2015–1913.9%9.3%11.6%
2020–243.0%9.3%11.6%
Change−8.8 pts−0.7 pts−0.6 pts
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Single parents head only 3.0% of households in State Line, 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 State Line

Renters in State Line

Renters, % of occupied homes
PeriodState LineIdahoU.S.
2006–1017.4%29.0%33.3%
2010–1422.6%30.8%35.6%
2015–1922.7%30.0%36.0%
2020–2429.1%27.9%34.8%
Change+11.7 pts−1.1 pts+1.5 pts
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Nearly three in ten households in State Line rent their homes (29.1%), a little below the national share of 34.8%; the rest own. The picture is much the same across Idaho. Just over four in ten owners (41.4%) have paid off their mortgages, about the same as nationally.

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 State Line

Vacant homes, % of all homes
PeriodState LineIdahoU.S.
2006–103.4%10.4%11.4%
2010–147.0%11.0%11.4%
2015–198.2%10.5%11.1%
2020–245.6%9.3%9.6%
Change+2.2 pts−1.1 pts−1.8 pts
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Fewer homes sit empty in State Line than nationally: 5.6%, against 9.6% for the U.S.

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 State Line

Age of homes, median year built
PeriodState LineIdahoU.S.
2006–10199519821974
2010–14199019841975
2015–19199419861977
2020–24200119891980
Change+7+7+6
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Much of the housing in State Line is relatively new: half of its homes were built after 2001, compared with 1980 for the U.S. as a whole.

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 State Line

Rent, per month
PeriodState LineIdahoU.S.
2006–10$871$766$965
2010–14$973$820$1,040
2015–19$895$941$1,213
2020–24$1,464$1,407$1,571
Change+$592+$641+$606
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The median renter in State Line pays $1,464 a month for rent and utilities, below the national median of $1,571. Idaho as a whole looks much the same. The typical renter here spends 35.5% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

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 State Line

Bachelor's degrees in State Line

Bachelor's degrees, % of adults 25+
PeriodState LineIdahoU.S.
2006–1022.3%25.0%28.4%
2010–1424.9%25.9%29.6%
2015–1919.2%27.8%32.1%
2020–2440.6%31.7%35.6%
Change+18.4 pts+6.6 pts+7.2 pts
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About four in ten adults 25 and older in State Line (40.6%) have a bachelor's degree or higher, a bit 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 State Line

High school graduates, % of adults 25+
PeriodState LineIdahoU.S.
2006–1091.9%88.7%84.9%
2010–1495.9%89.3%86.1%
2015–1990.8%90.8%87.7%
2020–2496.5%92.1%89.3%
Change+4.6 pts+3.4 pts+4.3 pts
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High school completion is high in State Line: 96.5% 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 State Line

Unemployment, % of the labor force
PeriodState LineIdahoU.S.
2006–107.0%7.0%8.1%
2010–148.6%8.1%9.4%
2015–193.5%4.4%5.6%
2020–243.4%3.8%5.4%
Change−3.6 pts−3.2 pts−2.7 pts
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Unemployment in State Line has been low: just 3.4% of the labor force was out of work and looking, well below the national rate of 5.4%. That is in line with the rest of Idaho. 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).

State Line compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
State Line3.5336.63.0%29.1%5.6%2001$1,46440.6%96.5%3.4%
Newman Lake2.7645.34.9%7.3%12.6%1979$1,27822.2%95.2%1.1%
Post Falls2.7937.111.3%33.2%5.9%2001$1,51325.9%93.7%3.4%
McGuire1.8658.24.9%17.1%10.7%1988$1,51048.4%90.6%20.7%
Hauser2.9645.317.7%6.0%6.2%1994$3,16128.3%95.1%2.1%
Liberty Lake2.5543.78.1%29.1%9.1%2002$1,87550.2%97.4%2.9%
Otis Orchards2.5144.99.1%13.6%4.9%1987$1,43228.8%92.4%3.2%
Huetter2.2753.04.6%17.1%15.4%1993$1,32839.2%97.0%1.9%
Greenacres2.7639.312.4%28.1%6.6%2002$1,81235.5%94.1%2.1%
Veradale2.7738.69.1%37.0%3.3%1994$1,62535.9%95.4%4.8%
Coeur d'Alene2.3942.59.8%37.4%10.3%1989$1,66733.2%96.2%2.7%

All figures 2020–24.

Cities with similar populations: Jeffris, WI · Wisconsin Junction, WI · Woodhull, WI · Wyndmere, ND · Yeaddiss, KY · Yelvington, KY · Jessenland, MN · Zena, OK · Jerome, AR · Winterstown, PA

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 State Line. 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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