Harlem, OH Demographics

Population 955 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Harlem, OH map of median age by neighborhood
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Population and households in Harlem

Household size in Harlem

Household size, people per household
PeriodHarlemColumbus areaOhioU.S.
2006–102.772.562.512.68
2010–142.892.592.512.73
2015–192.672.602.472.71
2020–242.732.562.462.65
Change−0.04+0.00−0.05−0.03
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At 2.73 people per household, Harlem sits close to the national average of 2.65. The typical household here is bigger than in the wider Columbus area, where it has 2.56 people.

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 Harlem

Median age, years
PeriodHarlemColumbus areaOhioU.S.
2006–1042.936.239.037.7
2010–1441.837.040.038.6
2015–1946.837.640.739.6
2020–2444.437.940.840.1
Change+1.5+1.7+1.8+2.3
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With a median age of 44.4, Harlem is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 42.9, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Harlem

Single-parent households, % of households
PeriodHarlemColumbus areaOhioU.S.
2006–106.7%12.0%11.7%12.3%
2010–1411.8%12.1%11.9%12.3%
2015–197.1%12.3%11.7%11.6%
2020–245.8%12.7%11.7%11.6%
Change−0.9 pts+0.7 pts−0.0 pts−0.6 pts
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Single-parent households are relatively rare in Harlem: 5.8% of households, against 11.6% nationally.

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 Harlem

Renters in Harlem

Renters, % of occupied homes
PeriodHarlemColumbus areaOhioU.S.
2006–106.9%35.4%30.8%33.3%
2010–143.6%37.9%33.1%35.6%
2015–199.8%38.5%33.9%36.0%
2020–248.2%38.7%32.8%34.8%
Change+1.3 pts+3.3 pts+2.0 pts+1.5 pts
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Harlem is overwhelmingly a place of homeowners: only 8.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 43.7% have no mortgage at all, 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 Harlem

Vacant homes, % of all homes
PeriodHarlemColumbus areaOhioU.S.
2006–109.3%10.9%10.8%11.4%
2010–143.9%10.0%10.8%11.4%
2015–194.0%8.8%10.2%11.1%
2020–247.3%7.9%8.7%9.6%
Change−2.1 pts−2.9 pts−2.2 pts−1.8 pts
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Fewer homes sit empty in Harlem than nationally: 7.3%, against 9.6% for the U.S. The picture is much the same across the Columbus area.

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 Harlem

Age of homes, median year built
PeriodHarlemColumbus areaOhioU.S.
2006–101980197619681974
2010–141985197719691975
2015–191987197919701977
2020–241985198219721980
Change+5+6+4+6
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Homes in Harlem are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S. The picture is much the same across the Columbus area.

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 Harlem

Rent, per month
PeriodHarlemColumbus areaOhioU.S.
2006–10$1,196$852$765$965
2010–14$1,184$924$814$1,040
2015–19$1,169$1,051$901$1,213
2020–24$1,411$1,378$1,142$1,571
Change+$215+$526+$377+$606
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Rent in Harlem runs $1,411 a month at the median, utilities included, below the U.S. median of $1,571. That is in line with the rest of the Columbus area. Rent takes 31.9% of the typical renter's income, just over 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 Harlem

Bachelor's degrees in Harlem

Bachelor's degrees, % of adults 25+
PeriodHarlemColumbus areaOhioU.S.
2006–1039.1%33.3%25.4%28.4%
2010–1447.0%34.4%26.5%29.6%
2015–1951.2%37.6%28.9%32.1%
2020–2447.2%40.2%31.9%35.6%
Change+8.1 pts+6.9 pts+6.5 pts+7.2 pts
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Harlem is highly educated: nearly half of adults 25 and older (47.2%) 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 Harlem

High school graduates, % of adults 25+
PeriodHarlemColumbus areaOhioU.S.
2006–1094.0%89.6%87.7%84.9%
2010–1495.7%90.2%88.9%86.1%
2015–1996.5%91.6%90.4%87.7%
2020–2495.2%92.2%91.7%89.3%
Change+1.1 pts+2.6 pts+4.0 pts+4.3 pts
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High school completion is high in Harlem: 95.2% 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 Harlem

Unemployment, % of the labor force
PeriodHarlemColumbus areaOhioU.S.
2006–106.9%7.6%8.7%8.1%
2010–147.1%7.8%9.4%9.4%
2015–194.9%4.6%5.5%5.6%
2020–242.5%4.3%4.9%5.4%
Change−4.3 pts−3.4 pts−3.8 pts−2.7 pts
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Unemployment in Harlem has been low: just 2.5% of the labor force was out of work and looking, well below the national rate of 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).

Harlem compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Harlem2.7344.45.8%8.2%7.3%1985$1,41147.2%95.2%2.5%
Center Village2.5744.85.0%17.1%3.8%1989$1,08743.3%96.4%1.8%
New Albany2.6039.36.7%35.7%7.3%2004$1,98764.7%96.2%1.6%
Westerville2.5039.89.6%33.3%7.1%1989$1,63657.6%97.7%2.3%
Galena3.1641.35.6%3.6%4.1%2004$1,62164.8%97.8%4.0%
South Condit2.9848.24.7%5.3%9.8%1982$1,15834.5%95.9%1.9%
Minerva Park3.2037.79.0%13.7%3.2%1970$1,40940.7%92.7%2.2%
Jersey2.4554.94.5%9.6%6.0%1981$1,72647.2%97.5%1.0%
Gahanna2.5239.213.2%31.6%5.0%1984$1,53650.0%96.2%2.7%
Sunbury2.6840.07.9%21.3%4.8%2001$1,57147.4%96.7%2.2%
Lewis Center2.9736.39.8%24.8%4.9%2005$1,70768.7%97.0%3.6%

All figures 2020–24.

Cities with similar populations: Sherman, MS · Lake Lynn, PA · Lake Pocotopaug, CT · Lake Winola, PA · Land O' Lakes, WI · Limaville, OH · Loudon Center, NH · Shamrock, OK · Sharptown, MD · Shaw, OR

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 Harlem. 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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