18035, PA Demographics

Population 222 · Census ACS 2020–24

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18035, PA map of median age by neighborhood
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Population and households in ZIP 18035

Household size in ZIP 18035

Household size, people per household
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–102.602.552.512.68
2010–142.602.602.532.73
2015–192.852.572.502.71
2020–242.252.562.462.65
Change−0.35+0.01−0.05−0.03
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ZIP 18035 is a place of small households, averaging 2.25 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.60 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 ZIP 18035

Median age, years
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–1047.640.740.337.7
2010–1454.141.641.038.6
2015–1941.142.341.839.6
2020–2451.642.342.040.1
Change+3.9+1.6+1.7+2.3
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With a median age of 51.6, ZIP 18035 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

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 18035

Single-parent households, % of households
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–103.4%10.8%10.5%12.3%
2010–147.7%11.0%10.6%12.3%
2015–1911.1%11.4%10.5%11.6%
2020–242.1%11.5%10.7%11.6%
Change−1.3 pts+0.7 pts+0.2 pts−0.6 pts
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Single parents head only 2.1% of households in ZIP 18035, 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 ZIP 18035

Renters in ZIP 18035

Renters, % of occupied homes
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–1013.1%26.9%29.0%33.3%
2010–1410.9%29.3%30.5%35.6%
2015–1916.0%31.2%31.1%36.0%
2020–245.4%30.3%30.7%34.8%
Change−7.8 pts+3.4 pts+1.7 pts+1.5 pts
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Only 5.4% of households in ZIP 18035 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 32.6% 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 18035

Vacant homes, % of all homes
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–106.2%8.0%10.3%11.4%
2010–142.7%8.6%10.5%11.4%
2015–196.9%8.3%10.7%11.1%
2020–243.7%6.5%9.1%9.6%
Change−2.5 pts−1.5 pts−1.2 pts−1.8 pts
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Only 3.7% of homes in ZIP 18035 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 18035

Age of homes, median year built
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–101974196519631974
2010–141968196719641975
2015–191969196719651977
2020–241975196919671980
Change+2+3+4+6
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Housing in ZIP 18035 leans a little older: the median home dates to 1975, against 1980 nationally. Locally, though, homes here are newer than in the Allentown area as a whole, where the median home dates to 1969.

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 18035

Rent, per month
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–10$1,091$928$829$965
2010–14$820$1,020$923$1,040
2015–19$1,100$1,170$1,039$1,213
2020–24$1,449$1,504$1,323$1,571
Change+$358+$576+$494+$606
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Rent in ZIP 18035 runs $1,449 a month at the median, utilities included, below the U.S. median of $1,571. The Allentown area as a whole looks much the same. Rent takes 20.7% of the typical renter's income, comfortably 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 ZIP 18035

Bachelor's degrees in ZIP 18035

Bachelor's degrees, % of adults 25+
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–1022.0%26.0%27.2%28.4%
2010–1431.6%26.7%28.7%29.6%
2015–1926.1%29.5%31.8%32.1%
2020–2431.1%33.3%35.6%35.6%
Change+9.1 pts+7.3 pts+8.3 pts+7.2 pts
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College degrees are a little less common in ZIP 18035 than nationally: 31.1% of adults 25 and older have a bachelor's or higher, against 35.6%. The Allentown area as a whole looks much the same.

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 18035

High school graduates, % of adults 25+
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–1086.2%86.4%87.3%84.9%
2010–1488.7%88.0%88.8%86.1%
2015–1991.3%89.7%90.3%87.7%
2020–2498.3%91.4%91.8%89.3%
Change+12.1 pts+5.0 pts+4.5 pts+4.3 pts
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Finishing high school is nearly universal in ZIP 18035: 98.3% 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 ZIP 18035

Unemployment, % of the labor force
PeriodZIP 18035Allentown areaPennsylvaniaU.S.
2006–105.0%7.3%7.5%8.1%
2010–141.0%9.4%8.8%9.4%
2015–1913.1%5.5%5.5%5.6%
2020–242.3%5.5%5.4%5.4%
Change−2.7 pts−1.8 pts−2.1 pts−2.7 pts
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Unemployment in ZIP 18035 has been low: just 2.3% 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).

ZIP 18035 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 180352.2551.62.1%5.4%3.7%1975$1,44931.1%98.3%2.3%
ZIP 180862.2749.51.7%5.9%1.1%1973$1,47132.0%98.6%3.0%
ZIP 180882.5749.95.7%11.3%5.1%1973$1,40918.8%94.1%4.2%
ZIP 180592.2353.98.0%6.5%1.8%1990$1,12331.4%95.4%5.0%
ZIP 180382.6148.51.9%7.9%5.0%1971$1,19520.9%94.1%3.9%
ZIP 180802.5641.115.8%18.9%7.2%1964$98822.5%91.9%3.2%
ZIP 180672.5244.58.3%22.3%10.6%1968$1,35927.8%95.7%3.6%
ZIP 180372.4842.512.8%21.0%5.0%1972$1,21927.9%94.5%2.0%
ZIP 180712.2747.310.6%32.4%7.7%1962$1,02516.3%89.5%2.8%
ZIP 180782.8043.09.9%11.4%1.9%1984$1,32842.4%96.5%4.4%
ZIP 180793.2827.730.0%8.4%5.9%1938$1,06314.1%70.4%0.0%

All figures 2020–24.

Zip codes with similar populations: 50066, IA · 68833, NE · 68664, NE · 68514, NE · 68303, NE · 68063, NE · 68058, NE · 67647, KS · 67492, KS · 67066, KS

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 18035. 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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