40019, KY Demographics

Population 4,003 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
40019, KY map of median age by neighborhood
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Population and households in ZIP 40019

Household size in ZIP 40019

Household size, people per household
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–102.582.512.512.68
2010–142.502.552.532.73
2015–192.752.552.522.71
2020–242.542.502.512.65
Change−0.05−0.01−0.00−0.03
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The average household in ZIP 40019 has 2.54 people, a bit under the U.S. average of 2.65. The picture is much the same across the Louisville area.

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 ZIP 40019

Median age, years
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1036.538.538.537.7
2010–1437.539.439.338.6
2015–1937.440.040.039.6
2020–2437.640.239.940.1
Change+1.2+1.7+1.5+2.3
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The median resident of ZIP 40019 is 37.6 years old, a few years younger than the national median of 40.1. Since 2006–10, the median age has climbed from 36.5, but in a place this small, much of that may be survey noise rather than real change.

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 ZIP 40019

Single-parent households, % of households
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1019.4%12.6%11.7%12.3%
2010–1419.7%12.6%11.9%12.3%
2015–1916.4%11.6%11.8%11.6%
2020–2416.9%12.4%11.9%11.6%
Change−2.5 pts−0.2 pts+0.2 pts−0.6 pts
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Single parents head about one in six households in ZIP 40019 (16.9%), well above 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 ZIP 40019

Renters in ZIP 40019

Renters, % of occupied homes
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1039.6%30.5%30.1%33.3%
2010–1438.8%32.3%32.3%35.6%
2015–1936.8%32.5%32.8%36.0%
2020–2437.3%31.1%31.7%34.8%
Change−2.3 pts+0.6 pts+1.5 pts+1.5 pts
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Nearly four in ten households in ZIP 40019 rent their homes (37.3%), close to the national share of 34.8%. Renters make up a bigger share here than in the Louisville area as a whole (31.1%). Among homeowners, 30.7% have no mortgage at all, below 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 ZIP 40019

Vacant homes, % of all homes
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1018.0%9.8%12.2%11.4%
2010–1411.0%9.8%11.9%11.4%
2015–1910.5%9.8%12.3%11.1%
2020–244.7%7.9%10.6%9.6%
Change−13.4 pts−1.9 pts−1.6 pts−1.8 pts
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Only 4.7% of homes in ZIP 40019 are vacant, far below the national rate of 9.6%, which usually means strong demand for housing.

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 ZIP 40019

Age of homes, median year built
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–101970197519771974
2010–141977197619791975
2015–191974197619801977
2020–241972198019821980
Change+1+5+5+6
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Housing in ZIP 40019 leans older: the median home dates to 1972, against 1980 nationally.

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 ZIP 40019

Rent, per month
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–10$508$769$657$965
2010–14$747$826$728$1,040
2015–19$726$928$814$1,213
2020–24$901$1,200$1,024$1,571
Change+$393+$431+$367+$606
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Rent in ZIP 40019 runs $901 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 36.0% of the typical renter's income, 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 ZIP 40019

Bachelor's degrees in ZIP 40019

Bachelor's degrees, % of adults 25+
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1014.8%24.9%21.3%28.4%
2010–1411.7%26.7%22.5%29.6%
2015–1914.1%29.0%24.5%32.1%
2020–2413.7%32.8%27.6%35.6%
Change−1.1 pts+7.9 pts+6.2 pts+7.2 pts
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College degrees are relatively uncommon in ZIP 40019: 13.7% 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 ZIP 40019

High school graduates, % of adults 25+
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1079.0%86.4%81.7%84.9%
2010–1474.2%87.8%83.9%86.1%
2015–1983.3%90.1%86.4%87.7%
2020–2486.2%91.1%88.8%89.3%
Change+7.2 pts+4.7 pts+7.2 pts+4.3 pts
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About one in seven adults in ZIP 40019 never finished high school, a bit more than nationally: 86.2% have a diploma or equivalent, against 89.3% across the U.S.

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 ZIP 40019

Unemployment, % of the labor force
PeriodZIP 40019Louisville areaKentuckyU.S.
2006–1011.1%8.4%8.4%8.1%
2010–1415.7%9.1%9.5%9.4%
2015–193.7%5.2%5.8%5.6%
2020–245.1%4.8%5.1%5.4%
Change−6.1 pts−3.6 pts−3.3 pts−2.7 pts
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Unemployment in ZIP 40019 is close to the national rate: 5.1% of the labor force, against 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).

ZIP 40019 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 400192.5437.616.9%37.3%4.7%1972$90113.7%86.2%5.1%
ZIP 400582.3347.312.9%36.4%9.7%1969$76424.6%86.6%6.8%
ZIP 400502.3646.911.9%31.3%9.2%1971$87924.1%86.6%6.2%
ZIP 400572.5342.56.9%20.1%12.1%1976$1,14716.3%87.9%2.5%
ZIP 400682.4947.95.1%8.7%5.0%1991$92327.4%90.3%2.1%
ZIP 400702.4348.43.7%12.0%7.8%1981$1,44622.2%83.2%6.3%
ZIP 400032.5448.35.7%5.6%4.4%1993$90127.6%93.0%4.9%
ZIP 400071.9755.76.4%11.2%24.8%1959$1,36113.7%97.5%0.0%
ZIP 400652.6040.712.4%32.3%7.1%1988$1,07029.7%86.1%4.2%
ZIP 400552.6444.311.7%13.6%11.9%1994$1,24119.4%87.1%10.2%
ZIP 400312.8739.017.5%18.9%5.8%1993$1,09935.6%91.4%2.7%

All figures 2020–24.

Zip codes with similar populations: 49633, MI · 15059, PA · 17048, PA · 54970, WI · 37375, TN · 61063, IL · 65652, MO · 80814, CO · 44127, OH · 14802, NY

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 ZIP 40019. 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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