ZIP code
18101
Allentown, PA
18101 covers Allentown in Lehigh County, with 5,789 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
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 18101. Methodology
ZIP code map of 18101
About ZIP code 18101
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 18101. Not ACS. Methodology
People in 18101
Race
- White1,788
- Black or African American1,014
- American Indian or Alaska Native40
- Asian68
- Other race1,478
- Two or more races720
Hispanic or Latino (any race): 2,711
Age
- Under 10582
- 10 to 19627
- 20 to 291,151
- 30 to 39999
- 40 to 49581
- 50 to 59511
- 60 to 69377
- 70 to 79203
- 80 and older77
Income and housing in 18101
Education
- High school graduate78.8%
- Bachelor's degree19.2%
- Graduate degree7.6%
Places covering 18101
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.
- Allentown100.0%
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 County100.0%
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
Population history for 18101
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,388 | |
| 2006 | 2,470 | |
| 2007 | 2,970 | |
| 2008 | 2,608 | |
| 2009 | 2,723 | |
| 2010 | 2,965 | |
| 2011 | 4,505 | 2,840 |
| 2012 | 3,773 | 2,570 |
| 2013 | 4,739 | 2,670 |
| 2014 | 4,930 | 2,670 |
| 2015 | 4,013 | 2,870 |
| 2016 | 4,153 | 2,990 |
| 2017 | 4,382 | 3,050 |
| 2018 | 4,448 | 3,330 |
| 2019 | 4,720 | 3,300 |
| 2020 | 4,738 | 3,560 |
| 2021 | 5,437 | 3,690 |
| 2022 | 5,673 | 3,780 |
| 2023 | 5,789 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 18101
12 nearest ZIP centroids (any distance)
- 18102Allentown0.5 miPop 51,315 · Income $40,681
- 18103Allentown2.5 miPop 47,336 · Income $72,545
- 18109Allentown2.7 miPop 18,117 · Income $55,437
- 18032Catasauqua3.7 miPop 9,459 · Income $79,700
- 18104Allentown4.1 miPop 47,999 · Income $94,279
- 18052Whitehall4.2 miPop 29,271 · Income $69,499
- 18018Bethlehem4.2 miPop 32,253 · Income $71,968
- 18016Bethlehem4.6 miPop 0 · Income —
- 18034Center Valley5.0 miPop 9,501 · Income $134,137
- 18015Bethlehem5.5 miPop 34,259 · Income $58,470
- 18049Emmaus5.7 miPop 18,693 · Income $93,924
- 18106Allentown5.7 miPop 6,437 · Income $86,361
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 18102 | Allentown | PA | 0.5 mi | 51,315 | $40,681 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 18101 FAQ
- What city is ZIP code 18101 in?
- 18101 is in Allentown, PA.
- What county is 18101 in?
- 18101 is in Lehigh County.
- What is the median household income in 18101?
- The median household income in 18101 is $41,542.
- Which ZIP codes are near 18101?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 18101.