Columbia City, IN Demographics

Population 20,470 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Columbia City, IN map of median age by neighborhood
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Population and households in Columbia City

Household size in Columbia City

Household size, people per household
PeriodColumbia CityIndianaU.S.
2006–102.422.572.68
2010–142.492.592.73
2015–192.352.572.71
2020–242.422.542.65
Change−0.00−0.03−0.03
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Households in Columbia City run small, averaging 2.42 people against 2.65 nationally, which usually means more singles and couples and fewer children. The biggest households, usually families with children, are concentrated in the north.

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 Columbia City

Median age, years
PeriodColumbia CityIndianaU.S.
2006–1041.537.537.7
2010–1442.238.438.6
2015–1941.439.139.6
2020–2440.539.340.1
Change−1.1+1.7+2.3
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At 40.5, the median age in Columbia City is close to the national median of 40.1, so its age mix looks much like the country's. Since 2006–10, the median age has dropped from 41.5, even as the national median rose. Residents skew youngest in the center and oldest in the southeast.

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 Columbia City

Single-parent households, % of households
PeriodColumbia CityIndianaU.S.
2006–107.0%11.8%12.3%
2010–1410.6%12.0%12.3%
2015–1911.2%11.6%11.6%
2020–249.7%11.7%11.6%
Change+2.7 pts−0.1 pts−0.6 pts
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Single-parent households are a bit less common in Columbia City than nationally: 9.7%, against 11.6%. The single-parent share has risen 2.7 points since 2006–10, even as the national share fell.

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 Columbia City

Renters in Columbia City

Renters, % of occupied homes
PeriodColumbia CityIndianaU.S.
2006–1018.6%28.5%33.3%
2010–1421.3%30.5%35.6%
2015–1919.5%30.9%36.0%
2020–2421.5%29.4%34.8%
Change+3.0 pts+1.0 pts+1.5 pts
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Only 21.5% of households in Columbia City rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 34.9% have no mortgage at all, below the national share of 39.8%. Renting is most common in the center and least common in the southeast. The renter share has risen 3.0 points since 2006–10, mirroring the country.

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 Columbia City

Vacant homes, % of all homes
PeriodColumbia CityIndianaU.S.
2006–108.4%11.2%11.4%
2010–148.6%11.2%11.4%
2015–198.2%10.9%11.1%
2020–247.2%9.3%9.6%
Change−1.2 pts−2.0 pts−1.8 pts
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Fewer homes sit empty in Columbia City than nationally: 7.2%, against 9.6% for the U.S. Vacancy has edged down 1.2 points since 2006–10, as it has nationally.

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 Columbia City

Age of homes, median year built
PeriodColumbia CityIndianaU.S.
2006–10197219721974
2010–14197419731975
2015–19197619741977
2020–24197819771980
Change+6+5+6
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Homes in Columbia City are about the same age as the nation's housing: the median home was built in 1978, versus 1980 nationally. The median year built has moved up from 1972 in 2006–10, a sign of steady new building. The newest homes are mostly in the east, the oldest in the center.

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 Columbia City

Rent, per month
PeriodColumbia CityIndianaU.S.
2006–10$609$763$965
2010–14$651$819$1,040
2015–19$725$903$1,213
2020–24$939$1,146$1,571
Change+$330+$384+$606
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Rent in Columbia City runs $939 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $330 a month since 2006–10, up 54%, a slower climb than the nation's. Rent takes 26.0% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. The priciest rents are in the east; the most affordable are in the center.

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 Columbia City

Bachelor's degrees in Columbia City

Bachelor's degrees, % of adults 25+
PeriodColumbia CityIndianaU.S.
2006–1017.3%23.8%28.4%
2010–1420.7%24.6%29.6%
2015–1923.4%27.1%32.1%
2020–2424.0%30.0%35.6%
Change+6.7 pts+6.2 pts+7.2 pts
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Fewer adults in Columbia City have a four-year degree than in the country as a whole: 24.0%, against 35.6% nationally. The share with a degree has risen 6.7 points since 2006–10, mirroring the country.

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 Columbia City

High school graduates, % of adults 25+
PeriodColumbia CityIndianaU.S.
2006–1090.4%86.5%84.9%
2010–1490.2%87.7%86.1%
2015–1992.1%88.7%87.7%
2020–2492.9%89.9%89.3%
Change+2.5 pts+3.4 pts+4.3 pts
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Just over nine in ten adults in Columbia City have finished high school (92.9%), above the national rate of 89.3%. The share with a diploma is up 2.5 points from 2006–10, in line with the national trend.

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 Columbia City

Unemployment, % of the labor force
PeriodColumbia CityIndianaU.S.
2006–1010.1%8.4%8.1%
2010–146.7%8.9%9.4%
2015–194.1%4.9%5.6%
2020–243.1%4.3%5.4%
Change−7.0 pts−4.1 pts−2.7 pts
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The job market in Columbia City has been strong: just 3.1% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 7.0 points from 2006–10, in line with the national trend. 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).

Columbia City compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Columbia City2.4240.59.7%21.5%7.2%1978$93924.0%92.9%3.1%
Etna2.7841.612.5%8.2%8.9%1987$86319.6%100.0%2.8%
Tri-Lakes3.2635.27.0%7.7%16.2%1995$93030.5%92.5%6.8%
Collins2.6039.36.2%10.0%8.1%1982$81223.1%95.8%5.5%
Lorane2.3250.810.4%14.8%14.5%1972$1,02426.8%82.8%0.6%
Peabody2.7145.28.7%7.8%7.6%1971$88124.4%97.9%3.7%
Larwill2.5943.112.7%8.0%9.1%1976$1,10421.0%90.4%3.4%
Merriam2.3249.44.6%9.8%6.8%1971$66631.2%93.5%4.1%
Ormas2.4239.313.3%12.1%11.7%1974$95517.8%88.8%1.4%
Tunker3.0238.43.4%9.2%6.4%1945$90230.8%96.4%4.1%
Laud2.1759.77.0%0.7%4.7%1978$92024.0%96.3%6.3%

All figures 2020–24.

Cities with similar populations: West Richland, WA · Morris, IL · North Myrtle Beach, SC · New Canaan, CT · Murphy, TX · Mountlake Terrace, WA · Mount Vernon, IL · Mount Pleasant, TX · Morris Plains, NJ · North Ogden, UT

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 Columbia City. 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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