Residential delivery area · Pennsylvania
ZIP Code 18101: Allentown, PA
ZIP code 18101 is in Allentown, Pennsylvania, entirely in Lehigh County (Census 2020 ZIP-county file). About 6,100 people live there (Census Bureau, ACS 2020-2024), the 6th most populous of Allentown's 7 residential ZIP codes. Median household income is $44,773 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Allentown · 7 residential ZIPs
- County
- Lehigh County
- Census places
- Allentown
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House district
- PA-7 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 0.3 sq mi · 19,935 people per sq mi
- PO Box ZIPs
- 18105 also use the name Allentown
Where is ZIP code 18101?
18101 centers on 40.603°, -75.470° and covers 0.3 square miles of land plus 0.0 of water. It borders 1 ZIP code: 18102.
The map draws ZIP code areas only. For the streets inside 18101, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 18101 compare with the rest of Allentown?
| Measure | 18101 | In Allentown | In Lehigh County | In PA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 6,120 | 6th of 7 | 21st of 35 | 572nd of 1,833 |
| Median household income | $45k | 5th of 6 | 26th of 27 | 977th of 1,015 |
| Median home value | $171k | not ranked | not ranked | not ranked |
18101's median home value is not ranked: its 90% margin of error (±$59,814) is more than a quarter of the figure ($171,300). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 9% of U.S. residential ZIP codes, and it is denser than 99% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 18101?
The 2020 Census counted 5,108 people in 18101; the ACS, which samples households over 2020-2024, estimates 6,120. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 6,120±787 (90% margin)
- 2020 Census count
- 5,108
- Households
- 2,576
- Median age
- 29.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 18101?
Of the 6,120 people the ACS estimates in 18101, 17.0% are under 18 and 5.4% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (52.0%), then Black (not Hispanic) (22.5%).
- Under 1817.0%
- 18 to 6477.6%
- 65 and older5.4%
- Hispanic or Latino52.0%
- Black, not Hispanic22.5%
- White, not Hispanic20.7%
- Asian, not Hispanic3.2%
- Other or two or more1.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 18101 earn?
Median household income is $44,773 (ACS 2020-2024), the 26th highest of the 27 ranked ZIP codes in Lehigh County.
- Median household income
- $44,773±$8,210
- Income per person
- $28,551
- Below the poverty line
- 22.8%
- Unemployed (of the labor force)
- 14.7%
- Adults 25+ with a bachelor's degree
- 23.2%
- Adjusted gross income per tax return, 2022
- $44,4742,430 returns; wages 92% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 18101?
- Median home value (owners' estimate)
- $171,300
- Median gross rent
- $1,430
- Homes owned by their occupants
- 8.3%
- Housing units
- 2,786
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 18101?
329 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services67
- Accommodation and food services41
- Health care and social assistance36
- Retail trade35
- Finance and insurance33
- Other services (except public administration)25
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 18101?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18102 | Allentown | 51,001 | $43k | 0.5 mi |
| 18103 | Allentown | 48,746 | $73k | 2.5 mi (near) |
| 18109 | Allentown | 18,446 | $58k | 2.7 mi (near) |
| 18032 | Catasauqua | 9,555 | $81k | 3.7 mi (near) |
| 18104 | Allentown | 48,683 | $95k | 4.1 mi (near) |
| 18052 | Whitehall | 29,451 | $76k | 4.2 mi (near) |
| 18018 | Bethlehem | 32,965 | $75k | 4.2 mi (near) |
| 18034 | Center Valley | 9,209 | $153k | 5.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.