What is the median household income in 18109?

The median household income in 18109 is $55,437.

Which ZIP codes are near 18109?

Use the radius tool on this page to list ZIP codes within a chosen distance of 18109.

ZIP code

18109

Allentown, PA

STANDARD

18109 covers Allentown in Lehigh County, with 18,117 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

18,117

Median household income

$55,437

Median home value

$180,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 18109. Methodology

ZIP code map of 18109

Census ZCTA boundary for ZIP 18109 in Allentown, Pennsylvania. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources

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About ZIP code 18109

Type

STANDARD

City

Allentown

County

Lehigh County

Timezone

America/New_York

Area codes

484, 610, 835

Land area

8.2 sq mi

Water area

0.23 sq mi

Households

7,395

Median gross rent

$1,239

More enterprise fields

Timezone

America/New_York

Area Codes

484, 610, 835

World Region

Country

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 18109. Not ACS. Methodology

People in 18109

Race

White8,561
Black or African American2,145
American Indian or Alaska Native172
Asian339
Native Hawaiian and Pacific Islander12
Other race4,946
Two or more races2,740

Hispanic or Latino (any race): 9,266

Age

Under 102,386
10 to 192,509
20 to 292,803
30 to 392,705
40 to 492,181
50 to 592,290
60 to 692,084
70 to 791,163
80 and older794

Income and housing in 18109

Poverty rate

17.9%

Median earnings

$36,632

Median household income

$55,437

Median home value

$180,200

Median gross rent

$1,239

Education

High school graduate80.4%
Bachelor's degree19.5%
Graduate degree4.0%

Places covering 18109

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

Allentown89.8%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

Lehigh County98.8%
Northampton County1.2%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

10.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 18109

IRS populationACS population

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
Year	ACS population	IRS population
2005		15,184
2006		15,170
2007		16,392
2008		15,447
2009		15,937
2010		16,677
2011	15,689	16,351
2012	16,274	15,900
2013	16,312	16,230
2014	16,560	16,550
2015	17,264	16,570
2016	17,619	16,500
2017	17,570	16,530
2018	17,637	16,780
2019	17,794	16,700
2020	17,425	16,880
2021	17,266	16,630
2022	17,745	16,620
2023	18,117

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 18109

12 nearest ZIP centroids (any distance)

18032Catasauqua2.0 miPop 9,459 · Income $79,700
18018Bethlehem2.5 miPop 32,253 · Income $71,968
18102Allentown2.6 miPop 51,315 · Income $40,681
18101Allentown2.7 miPop 5,789 · Income $41,542
18016Bethlehem2.7 miPop 0 · Income —
18017Bethlehem3.3 miPop 40,463 · Income $88,946
18052Whitehall3.6 miPop 29,271 · Income $69,499
18103Allentown5.1 miPop 47,336 · Income $72,545
18015Bethlehem5.2 miPop 34,259 · Income $58,470
18104Allentown5.7 miPop 47,999 · Income $94,279
18067Northampton6.0 miPop 19,490 · Income $89,965
18037Coplay6.5 miPop 7,459 · Income $82,710

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 18109, measured by Census internal point.
ZIP	City	State	Distance (miles)	ACS population	Median income
18032	Catasauqua	PA	2.0 mi	9,459	$79,700

ZIPs within 2 miles of this place

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Radius (miles)

18109 Allentown, PA

Looking up ZIP codes within 2 miles of 18109 Allentown, PA, measured by centroid distance.

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ZIP code 18109 FAQ

What city is ZIP code 18109 in?: 18109 is in Allentown, PA.
What county is 18109 in?: 18109 is in Lehigh County.
What is the median household income in 18109?: The median household income in 18109 is $55,437.
Which ZIP codes are near 18109?: Use the radius tool on this page to list ZIP codes within a chosen distance of 18109.