Idria, CA Demographics

Population 2,058 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Idria, CA map of median age by neighborhood
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Population and households in Idria

Household size in Idria

Household size, people per household
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–102.982.973.042.68
2010–143.103.053.102.73
2015–193.053.073.092.71
2020–243.262.963.012.65
Change+0.28−0.00−0.03−0.03
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Idria is a place of big households: 3.26 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has climbed from 2.98 in 2006–10, 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 Idria

Median age, years
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–1039.036.635.837.7
2010–1442.537.636.838.6
2015–1947.938.537.939.6
2020–2439.539.439.040.1
Change+0.5+2.8+3.1+2.3
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At 39.5, the median age in Idria is close to the national median of 40.1, so its age mix looks much like the country's.

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 Idria

Single-parent households, % of households
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–105.9%10.4%13.5%12.3%
2010–148.9%9.9%13.5%12.3%
2015–196.7%8.8%12.3%11.6%
2020–247.4%9.0%12.3%11.6%
Change+1.5 pts−1.3 pts−1.2 pts−0.6 pts
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Single parents head only 7.4% of households in Idria, 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 Idria

Renters in Idria

Renters, % of occupied homes
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–1031.3%40.6%42.6%33.3%
2010–1428.3%42.9%45.2%35.6%
2015–1920.1%43.4%45.2%36.0%
2020–2432.6%44.5%44.1%34.8%
Change+1.2 pts+3.9 pts+1.5 pts+1.5 pts
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Renting in Idria is about as common as it is nationally: 32.6% of households rent, against 34.8%. Renters make up a smaller share here than in the wider San Jose area (44.5%). Among homeowners, 40.3% have no mortgage at all, 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 Idria

Vacant homes, % of all homes
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–106.2%6.2%8.7%11.4%
2010–149.8%4.9%8.1%11.4%
2015–196.0%5.6%7.5%11.1%
2020–244.0%6.4%7.3%9.6%
Change−2.2 pts+0.2 pts−1.4 pts−1.8 pts
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Empty homes are scarce in Idria: just 4.0% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.

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 Idria

Age of homes, median year built
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–101979197319721974
2010–141978197419731975
2015–191986197519741977
2020–241985197719761980
Change+6+4+4+6
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Homes in Idria are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S.

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 Idria

Rent, per month
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–10$1,181$1,524$1,298$965
2010–14$1,148$1,670$1,379$1,040
2015–19$1,634$2,389$1,721$1,213
2020–24$1,420$2,873$2,229$1,571
Change+$239+$1,348+$931+$606
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The median renter in Idria pays $1,420 a month for rent and utilities, below the national median of $1,571. Rent takes 27.4% 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 Idria

Bachelor's degrees in Idria

Bachelor's degrees, % of adults 25+
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–1015.3%43.9%29.1%28.4%
2010–1422.6%46.5%30.1%29.6%
2015–1926.7%51.6%32.9%32.1%
2020–2424.7%55.3%36.3%35.6%
Change+9.4 pts+11.5 pts+7.1 pts+7.2 pts
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College degrees are relatively uncommon in Idria: 24.7% 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 Idria

High school graduates, % of adults 25+
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–1074.8%85.5%79.9%84.9%
2010–1484.7%86.4%80.7%86.1%
2015–1987.9%88.1%82.6%87.7%
2020–2487.6%89.0%84.2%89.3%
Change+12.9 pts+3.4 pts+4.3 pts+4.3 pts
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About one in eight adults in Idria never finished high school, a bit more than nationally: 87.6% have a diploma or equivalent, against 89.3% across the U.S. The picture is much the same across the San Jose area.

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 Idria

Unemployment, % of the labor force
PeriodIdriaSan Jose areaCaliforniaU.S.
2006–109.3%7.9%9.2%8.1%
2010–1411.8%8.9%11.3%9.4%
2015–196.7%4.4%6.3%5.6%
2020–247.9%4.9%6.6%5.4%
Change−1.4 pts−3.0 pts−2.6 pts−2.7 pts
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Unemployment in Idria runs well above the national rate: 7.9% of the labor force was out of work and looking, against 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).

Idria compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Idria3.2639.57.4%32.6%4.0%1985$1,42024.7%87.6%7.9%
Hollister3.3635.316.3%31.4%3.8%1990$1,97123.4%83.8%5.5%
Morse2.6054.76.0%44.9%8.8%1975$2,33931.4%80.1%15.1%
Old Gilroy3.5449.011.4%15.2%12.0%1985$2,78726.3%87.9%1.8%
San Juan Bautista2.5447.97.2%36.0%6.2%1984$2,20539.0%88.6%3.8%
Gilroy3.4337.815.5%37.2%5.0%1986$2,45127.6%82.5%6.1%
Lonoke2.8347.86.0%22.8%5.7%1996$2,38744.8%92.2%2.6%
Aromas2.7846.63.2%21.6%7.6%1978$2,80738.7%87.3%3.3%
Rucker3.1045.37.3%14.2%2.2%2000$3,24853.1%94.4%5.3%
San Martin3.4446.314.3%24.9%4.9%1975$2,21536.0%88.0%3.1%
Elkhorn3.3341.713.4%16.3%9.1%1977$1,76628.4%94.4%5.0%

All figures 2020–24.

Cities with similar populations: Plentywood, MT · Strattanville, PA · Stanton, TN · Simmesport, LA · Silverado, CA · Sardis City, AL · Salisbury, PA · Roscoe, TX · Princes Lakes, IN · Preston, MN

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 Idria. 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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