16635 ZIP Code — Duncansville, PA

Blair County, Pennsylvania

ZIP code 16635 is located in Duncansville, Pennsylvania, within Blair County. It covers approximately 56.77 square miles and serves a population of 12,231 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 814.

About ZIP code 16635

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $169,900. Owner-occupancy is high at 77%, well above the national average.

Median household income is $70,140. The poverty rate of 7% is below the national average. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 16635 reflects a community defined by high homeownership and a significant Social Security-dependent population.

12,231

population

56.77

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

16635 ZIP code map

Cities in ZIP code 16635

Below are the cities the US Postal Service accepts for ZIP code 16635. Using any city not on this list may result in mail delivery delays.

City	Status
Duncansville	Preferred

Nearby ZIP codes

16630 Cresson (5.9 mi) 16699 Cresson (6.4 mi) 15938 Lilly (7.5 mi) 16637 East Freedom (7.6 mi) 16641 Gallitzin (7.7 mi) 16648 Hollidaysburg (8.1 mi) 16601 Altoona (8.1 mi) 16602 Altoona (8.5 mi) 16613 Ashville (8.7 mi) 16673 Roaring Spring (8.8 mi) 15946 Portage (9.3 mi) 16625 Claysburg (9.4 mi)

Demographics updated 05/2026

Population
Total population	12,231
Population density	215 / sq mi
State FIPS	42
County FIPS	013

Geography
Land area	56.77 sq mi
Water area	0.07 sq mi
Latitude	40.4240
Longitude	-78.4799
Timezone	Eastern (ET)
Area code	814

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.6%	48.9%	39.8%
$50k – $100k	30.7%	31.3%	30.8%
$100k – $200k	20.7%	16.8%	22.4%
Over $200k	4.1%	3.0%	7.1%

Demographics & statistics

12,231

Population

215

People per sq mi

44.8

Median age

$70,140

Median household income

$39,910

Per capita income

$169,900

Median home value

$969

Median monthly rent

77.3%

Home ownership

7.3%

Poverty rate

4.0%

Unemployment

4,144

Housing units

25.7%

Bachelor's or higher

Age distribution

Male Female

262

Under 5

256

232

5–9

227

460

10–14

450

476

15–19

467

310

20–24

304

611

25–34

599

764

35–44

749

692

45–54

678

289

55–59

284

591

60–64

579

865

65–74

849

382

75–84

374

243

85+

238

← Male

Female →

Age summary

Group	Count	%
Under 18	2,444	20.0%
18 and over	9,787	80.0%
65 and over	2,951	24.1%
Median age	44.8 years

Race & ethnicity

White 95.4%

Asian 1.7%

Two or more races 1.6%

Hispanic or Latino 1.2%

Other race 0.1%

Group	Count	%
White	11,807	95.4%
Asian	207	1.7%
Two or more races	202	1.6%
Hispanic or Latino	149	1.2%
Other race	13	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.6%	48.9%	39.8%
$50k – $100k	30.7%	31.3%	30.8%
$100k – $200k	20.7%	16.8%	22.4%
Over $200k	4.1%	3.0%	7.1%

Under $10k 1.7%

$10k–$15k 3.0%

$15k–$25k 9.9%

$25k–$35k 9.1%

$35k–$50k 11.4%

$50k–$75k 18.3%

$75k–$100k 14.6%

$100k–$150k 16.0%

$150k–$200k 9.5%

$200k+ 6.6%

Range	% of households
Under $10k	1.7%
$10k–$15k	3.0%
$15k–$25k	9.9%
$25k–$35k	9.1%
$35k–$50k	11.4%
$50k–$75k	18.3%
$75k–$100k	14.6%
$100k–$150k	16.0%
$150k–$200k	9.5%
$200k+	6.6%
Median income	$70,140

Housing

Home values

Under $50k 12.4%

$50k–$100k 13.5%

$100k–$150k 13.9%

$150k–$200k 20.4%

$200k–$300k 21.2%

$300k–$500k 13.5%

$500k–$1M 4.8%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$169,900
Median rent / month	$969
Owner occupied	77.3%
Renter occupied	22.7%
Vacant	4.4%
Single-family detached	66.3%
Large apartment buildings	5.2%
Mobile homes	18.9%
Median rooms	6.0
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.2%
2010–2019	5.5%
2000–2009	14.6%
1990–1999	15.8%
1980–1989	11.6%
1970–1979	21.8%
1960–1969	6.0%
1950–1959	11.4%
1940–1949	3.3%
1939 or earlier	9.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	5.4%
2 bedrooms	24.0%
3 bedrooms	45.5%
4 bedrooms	18.5%
5+ bedrooms	4.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	32.7%
2 vehicles	38.7%
3 or more	23.6%

Heating fuel

Fuel type	%
Utility gas	38.7%
Electricity	19.2%
Propane / LP gas	3.4%
Fuel oil	33.6%
Wood	3.0%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	2,504	49.4%
Cohabiting couple	369	7.3%
Male householder, no spouse	799	15.8%
Female householder, no spouse	1,393	27.5%
Households with children under 18	1,455	28.7%
Households with seniors (65+)	1,983	39.2%
Average household size	2.36

Marital status

Status	Male	Female
Never married	34.6%	21.6%
Married	50.2%	49.3%
Separated	1.4%	1.0%
Widowed	3.0%	14.1%
Divorced	10.8%	14.0%

Education

Less than 9th grade 1.9%

Some HS, no diploma 3.7%

HS graduate 45.0%

Some college, no degree 15.0%

Associate's degree 8.7%

Bachelor's degree 15.1%

Graduate / professional 10.6%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	25.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	129	5.5%
Kindergarten	44	1.9%
Elementary school	1,129	48.2%
High school	721	30.8%
College / grad school	321	13.7%

Employment

Industry of employment

Education & healthcare 26.4%

Retail trade 12.6%

Manufacturing 9.4%

Transportation & utilities 9.4%

Arts, food & hospitality 7.6%

Professional & management 6.8%

Construction 6.4%

Public administration 5.8%

Other services 4.7%

Finance & real estate 4.4%

Wholesale trade 4.1%

Information 1.9%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	35.5%
Service	15.8%
Sales & office	24.6%
Natural resources & construction	9.2%
Production & transportation	14.9%

Employment type

Type	%
Private sector	82.2%
Government	14.5%
Self-employed	3.2%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	85.3%
Carpool	5.3%
Public transit	0.7%
Walk	2.0%
Work from home	6.4%
Other means	0.2%
Avg commute (minutes)	21.5

Poverty

All people 7.3%

Under 18 years 8.2%

18 and over 7.1%

Married-couple families 4.1%

Female-led households 10.9%

Income support

Source	% of households
Social Security	39.9%
Retirement income	31.5%
Supplemental Security	4.1%
Cash public assistance	2.5%
Food stamps / SNAP	9.3%

Health indicators

Condition	%
Obesity	30.3%
High blood pressure	34.8%
High cholesterol	35.4%
Diabetes	10.9%
Heart disease	7.4%
Stroke	3.3%
Asthma	10.0%
Arthritis	31.2%
Kidney disease	3.1%
Pulmonary disease	8.1%
Cancer	7.8%

Behavior / access	%
Smoking	19.1%
Binge drinking	18.0%
No physical activity	22.7%
Less than 7 hrs sleep	35.0%
Depression	22.3%
Fair or poor health	14.6%
Poor mental health	15.3%
Poor physical health	11.2%
No health insurance	10.0%
Visited doctor (checkup)	78.7%
Visited dentist	64.1%
Cholesterol screening	90.3%
Teeth loss	14.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	870	8.9%

Disability	%
Any disability	14.0%
Under 18	9.6%
18–64 years	9.5%
65 and over	29.3%

Health insurance coverage

Type	%
Private insurance	74.9%
Public insurance	38.8%
No insurance	4.0%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,713	95.8%
Spanish	96	0.8%
Other Indo-European	3	0.0%
Asian & Pacific Islander	36	0.3%
Other languages	57	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,007	98.2%
Born in same state	11,936	97.6%
Born in different state	10,410	85.1%
Foreign born	71	0.6%
Naturalized citizen	224	1.8%
Not a US citizen	105	46.9%

Ancestry

Ancestry	Count	%
Italian	2,508	20.5%
French	909	7.4%
Arab	560	4.6%
English	221	1.8%
Irish	32	0.3%

Ancestry	Count	%
German	21	0.2%
Norwegian	6	0%
Polish	3	0%
Dutch	2	0%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	89.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 16635

What city is ZIP code 16635 in?

ZIP code 16635 is primarily assigned to Duncansville, Pennsylvania.

What county is ZIP code 16635 in?

ZIP code 16635 falls within Blair County, Pennsylvania.

Does ZIP code 16635 have a large retiree population?

40% of households in ZIP code 16635 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 16635?

The median home value in ZIP code 16635 is $169,900.

What is the population of ZIP code 16635?

ZIP code 16635 has an estimated population of 12,231 residents, with a density of 215 people per square mile.

What is the median household income in ZIP code 16635?

The median household income in ZIP code 16635 is $70,140, below the national median of ~$75,000.

What timezone is ZIP code 16635 in?

ZIP code 16635 observes the EST timezone.