Allentown, Pennsylvania demographics

Allentown, PA demographics: median age 33.1; 19.1% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Allentown city, Pennsylvania · Incorporated city · GEOID 4202000. The survey estimates a population of 125,976 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Allentown is 33.1 years, with a 90% margin of error of 0.7 years. There are 46,374 households (±913). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	33.1 ±0.7	40.9 ±0.2	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 125,976
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Under 18	30,706 ±1,402	24.4% ±1.1 pp	20.4%	22.0%
18–34	35,181 ±1,292	27.9% ±1.0 pp	21.9%	22.8%
35–64	43,117 ±1,511	34.2% ±1.2 pp	38.1%	38.0%
65 and older	16,972 ±944	13.5% ±0.7 pp	19.5%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 125,976
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Male	61,255 ±995	48.6% ±0.8 pp	49.3%	49.5%
Female	64,721 ±994	51.4% ±0.8 pp	50.7%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 125,976
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
White alone	42,987 ±1,892	34.1% ±1.5 pp	74.5%	61.0%
Black or African American alone	13,827 ±1,393	11.0% ±1.1 pp	10.6%	12.2%
American Indian and Alaska Native alone	958 ±679 · low precision	0.8% ±0.5 pp · low precision	0.2%	0.9%
Asian alone	2,535 ±602	2.0% ±0.5 pp	3.8%	6.0%
Native Hawaiian and Other Pacific Islander alone	1 ±3 · low precision	0.0% ±0.0 pp · low precision	0.0%	0.2%
Some other race alone	34,686 ±2,261	27.5% ±1.8 pp	3.7%	7.1%
Two or more races	30,982 ±2,118	24.6% ±1.7 pp	7.1%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 125,976
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Not Hispanic or Latino	55,024 ±1,710	43.7% ±1.4 pp	91.3%	80.7%
Hispanic or Latino	70,952 ±1,703	56.3% ±1.4 pp	8.7%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 46,374
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Married-couple family	14,694 ±908	31.7% ±1.9 pp	46.2%	46.9%
Other family: male householder, no spouse present	3,101 ±539	6.7% ±1.2 pp	4.7%	5.1%
Other family: female householder, no spouse present	10,543 ±817	22.7% ±1.7 pp	11.5%	12.2%
Nonfamily: householder living alone	14,564 ±990	31.4% ±2.0 pp	30.9%	28.7%
Nonfamily: householder not living alone	3,472 ±564	7.5% ±1.2 pp	6.7%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 46,374
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Households with people under 18	15,025 ±809	32.4% ±1.6 pp	27.0%	29.5%
Households without people under 18	31,349 ±1,165	67.6% ±2.1 pp	73.0%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 46,374
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
One-person nonfamily households	14,564 ±990	31.4% ±2.0 pp	30.9%	28.7%
Two-person households	13,145 ±943	28.3% ±2.0 pp	34.7%	33.8%
Three-person households	8,227 ±818	17.7% ±1.7 pp	14.9%	15.3%
Four-person households	5,896 ±714	12.7% ±1.5 pp	11.7%	12.6%
Five-person households	2,966 ±524	6.4% ±1.1 pp	5.0%	5.9%
Six-person households	553 ±203	1.2% ±0.4 pp	1.7%	2.2%
Seven or more people	1,023 ±297	2.2% ±0.6 pp	1.1%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 125,976
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Native	95,701 ±2,157	76.0% ±1.7 pp	92.3%	85.9%
Foreign born	30,275 ±2,152	24.0% ±1.7 pp	7.7%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 117,375
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
English only	60,760 ±2,306	51.8% ±1.9 pp	87.6%	77.7%
Spanish	49,947 ±2,144	42.6% ±1.8 pp	5.6%	13.6%
French, Haitian, or Cajun	1,129 ±585 · low precision	1.0% ±0.5 pp · low precision	0.5%	0.7%
German or other West Germanic	157 ±76	0.1% ±0.1 pp	0.9%	0.5%
Russian, Polish, or other Slavic	330 ±202 · low precision	0.3% ±0.2 pp · low precision	0.8%	0.7%
Other Indo-European	1,119 ±338	1.0% ±0.3 pp	1.7%	2.0%
Korean	69 ±59 · low precision	0.1% ±0.1 pp · low precision	0.2%	0.3%
Chinese, including Mandarin and Cantonese	305 ±187 · low precision	0.3% ±0.2 pp · low precision	0.8%	1.1%
Vietnamese	378 ±225 · low precision	0.3% ±0.2 pp · low precision	0.3%	0.5%
Tagalog, including Filipino	143 ±201 · low precision	0.1% ±0.2 pp · low precision	0.2%	0.6%
Other Asian and Pacific Island	311 ±210 · low precision	0.3% ±0.2 pp · low precision	0.7%	1.1%
Arabic	1,905 ±511	1.6% ±0.4 pp	0.4%	0.5%
Other and unspecified	822 ±360	0.7% ±0.3 pp	0.5%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 80,291
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Less than high school graduate	15,192 ±1,276	18.9% ±1.6 pp	7.9%	10.4%
High school graduate or equivalency	31,211 ±1,666	38.9% ±2.0 pp	32.9%	26.0%
Some college, no degree	12,555 ±1,040	15.6% ±1.3 pp	15.1%	19.1%
Associate’s degree	5,984 ±786	7.5% ±1.0 pp	8.9%	8.8%
Bachelor’s degree	10,782 ±1,052	13.4% ±1.3 pp	20.9%	21.6%
Graduate or professional degree	4,567 ±520	5.7% ±0.6 pp	14.3%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 124,519
Category	Count ± MOE	Share ± MOE (pp)	Pennsylvania	U.S.
Same house	109,366 ±1,706	87.8% ±1.4 pp	89.3%	87.7%
Moved within same county	8,927 ±1,277	7.2% ±1.0 pp	5.6%	6.3%
Moved from a different county in the same state	3,277 ±710	2.6% ±0.6 pp	2.6%	3.1%
Moved from a different state	1,934 ±513	1.6% ±0.4 pp	1.9%	2.3%
Moved from abroad	1,015 ±495	0.8% ±0.4 pp	0.4%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

11.4% of Allentown residents (±1.0 percentage points) had no health insurance coverage when surveyed, compared with 5.6% in Pennsylvania and 8.4% nationally. 86.5% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Allentown	Pennsylvania	U.S.	Compared with Pennsylvania
People without health insurance Civilian noninstitutionalized population	11.4% ±1.0 pp	5.6%	8.4%	Higher
Households with a broadband subscription Households	86.5% ±1.3 pp	89.7%	91.0%	Lower
Veterans Civilian population age 18 and older	3.8% ±0.5 pp	6.1%	6.2%	Lower

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Allentown . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Allentown housing and cost context or return to the city profile.