Demographics · PA
Allentown, PA demographics: 125,976 residents, with a median age of 33.1 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
125,976people live in Allentown, at a median age of 33.1 years (American Community Survey 2020–2024, a 5-year average)
Median age 33.1 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Allentown, the largest race group is White (34.1%); 56.3% of residents are Hispanic or Latino (of any race); 24.0% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in Allentown is 33.1 years (±0.7), younger than the U.S. median of 38.9 years. The population is 48.6% male and 51.4% female. The largest age band is 5 to 17 at 17.5%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 8,601 | 6.8% | ±571 |
| 5 to 17 | 22,105 | 17.5% | ±1,281 |
| 18 to 24 | 14,979 | 11.9% | ±989 |
| 25 to 34 | 20,202 | 16.0% | ±831 |
| 35 to 44 | 15,926 | 12.6% | ±1,014 |
| 45 to 54 | 13,087 | 10.4% | ±645 |
| 55 to 64 | 14,104 | 11.2% | ±916 |
| 65 to 74 | 9,853 | 7.8% | ±768 |
| 75 and over | 7,119 | 5.7% | ±549 |
Median age by sex: 32.2 (male) · 34.1 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Allentown is White at 34.1% of the population. Separately, 56.3% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 42,987 | 34.1% | ±1,892 |
| Black or African American alone | 13,827 | 11.0% | ±1,393 |
| American Indian & Alaska Native alone | 958 | 0.8% | ±679 · low precision |
| Asian alone | 2,535 | 2.0% | ±602 |
| Native Hawaiian & Pacific Islander alone | 1 | 0.0% | ±3 · low precision |
| Some other race alone | 34,686 | 27.5% | ±2,261 |
| Two or more races | 30,982 | 24.6% | ±2,118 |
| Hispanic or Latino (of any race) | 70,952 | 56.3% | ±1,703 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Allentown has 46,374 households. 61.1% are family households and 31.4% are people living alone. The average household holds 2.60 people.
Total households
46,374
ACS 2020–2024 5-yr · B11001
Avg household size
2.60
ACS 2020–2024 5-yr · B25010 · ±0.05
Family households
61.1%
Share of all households · B11001
Living alone
31.4%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 46,374 | ±913 |
| Family households | 28,338 | ±906 |
| Nonfamily households | 18,036 | ±1,135 |
| Householder living alone | 14,564 | ±990 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
24.0% of Allentown residents were born outside the United States. 51.8% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (42.6%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 24.0% | 30,275 people · B05002 |
| Speak only English at home (age 5+) | 51.8% | C16001 |
| Top non-English language at home | 42.6% | Spanish · 49,947 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
19.1% of adults age 25 and over in Allentown hold a bachelor's degree or higher (the U.S. share is about 35%).
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 19.1% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Allentown is 4202000. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.