17020 ZIP Code — Duncannon, PA

Perry County, Pennsylvania

ZIP code 17020 is located in Duncannon, Pennsylvania, within Perry County. It covers approximately 57.71 square miles and serves a population of 8,642 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 717.

About ZIP code 17020

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $210,300. Owner-occupancy is high at 79%, well above the national average.

Median household income is $76,767. 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 32 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 17020 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

8,642

population

57.71

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

17020 ZIP code map

Cities in ZIP code 17020

Below are the cities the US Postal Service accepts for ZIP code 17020. Using any city not on this list may result in mail delivery delays.

City	Status
Duncannon	Acceptable
Duncannon	Preferred

Nearby ZIP codes

17053 Marysville (5.6 mi) 17018 Dauphin (7.8 mi) 17068 New Bloomfield (8 mi) 17025 Enola (8.2 mi) 17074 Newport (8.6 mi) 17090 Shermans Dale (9.9 mi) 17110 Harrisburg (10.2 mi) 17062 Millerstown (10.8 mi) 17050 Mechanicsburg (11.2 mi) 17102 Harrisburg (11.9 mi) 17130 Harrisburg (11.9 mi) 17045 Liverpool (12.1 mi)

Demographics updated 05/2026

Population
Total population	8,642
Population density	150 / sq mi
State FIPS	42
County FIPS	099

Geography
Land area	57.71 sq mi
Water area	2.78 sq mi
Latitude	40.4085
Longitude	-77.0320
Timezone	Eastern (ET)
Area code	717

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.5%	34.6%	39.8%
$50k – $100k	34.4%	35.8%	30.8%
$100k – $200k	25.3%	24.8%	22.4%
Over $200k	8.8%	4.7%	7.1%

Demographics & statistics

8,642

Population

150

People per sq mi

46.2

Median age

$76,767

Median household income

$39,475

Per capita income

$210,300

Median home value

$818

Median monthly rent

79.0%

Home ownership

6.6%

Poverty rate

4.1%

Unemployment

3,061

Housing units

19.8%

Bachelor's or higher

Age distribution

Male Female

219

Under 5

211

201

5–9

193

262

10–14

252

178

15–19

172

149

20–24

144

517

25–34

498

597

35–44

574

638

45–54

613

350

55–59

336

328

60–64

316

601

65–74

578

278

75–84

268

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,546	17.9%
18 and over	7,096	82.1%
65 and over	1,894	21.9%
Median age	46.2 years

Race & ethnicity

White 94.8%

Two or more races 2.3%

Hispanic or Latino 1.5%

Other race 0.6%

Asian 0.5%

Black or African American 0.3%

Group	Count	%
White	8,317	94.8%
Two or more races	201	2.3%
Hispanic or Latino	129	1.5%
Other race	52	0.6%
Asian	46	0.5%
Black or African American	23	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.5%	34.6%	39.8%
$50k – $100k	34.4%	35.8%	30.8%
$100k – $200k	25.3%	24.8%	22.4%
Over $200k	8.8%	4.7%	7.1%

Under $10k 3.3%

$10k–$15k 2.2%

$15k–$25k 5.1%

$25k–$35k 9.4%

$35k–$50k 12.6%

$50k–$75k 16.8%

$75k–$100k 12.5%

$100k–$150k 19.4%

$150k–$200k 9.5%

$200k+ 9.2%

Range	% of households
Under $10k	3.3%
$10k–$15k	2.2%
$15k–$25k	5.1%
$25k–$35k	9.4%
$35k–$50k	12.6%
$50k–$75k	16.8%
$75k–$100k	12.5%
$100k–$150k	19.4%
$150k–$200k	9.5%
$200k+	9.2%
Median income	$76,767

Housing

Home values

Under $50k 3.6%

$50k–$100k 7.8%

$100k–$150k 18.0%

$150k–$200k 15.9%

$200k–$300k 39.1%

$300k–$500k 13.7%

$500k–$1M 1.5%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$210,300
Median rent / month	$818
Owner occupied	79.0%
Renter occupied	21.0%
Vacant	7.0%
Single-family detached	74.8%
Large apartment buildings	1.6%
Mobile homes	6.3%
Median rooms	6.0
Avg household size (owned)	2.50

Year built

Era	%
2020 or later	0.1%
2010–2019	6.7%
2000–2009	10.4%
1990–1999	11.3%
1980–1989	15.5%
1970–1979	15.5%
1960–1969	4.9%
1950–1959	7.9%
1940–1949	5.6%
1939 or earlier	22.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	6.0%
2 bedrooms	25.1%
3 bedrooms	48.7%
4 bedrooms	14.0%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	26.5%
2 vehicles	37.9%
3 or more	32.8%

Heating fuel

Fuel type	%
Utility gas	0.2%
Electricity	39.9%
Propane / LP gas	12.9%
Fuel oil	27.2%
Wood	12.6%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	2,011	56.9%
Cohabiting couple	270	7.6%
Male householder, no spouse	670	18.9%
Female householder, no spouse	586	16.6%
Households with children under 18	928	26.2%
Households with seniors (65+)	1,352	38.2%
Average household size	2.40

Marital status

Status	Male	Female
Never married	23.7%	17.1%
Married	58.8%	59.5%
Separated	1.8%	0.7%
Widowed	4.5%	9.6%
Divorced	11.2%	13.1%

Education

Less than 9th grade 1.9%

Some HS, no diploma 5.6%

HS graduate 44.0%

Some college, no degree 15.7%

Associate's degree 13.0%

Bachelor's degree 13.4%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	92.5%
Bachelor's or higher	19.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	90	6.1%
Kindergarten	92	6.3%
Elementary school	729	49.6%
High school	304	20.7%
College / grad school	256	17.4%

Employment

Industry of employment

Education & healthcare 18.8%

Finance & real estate 13.8%

Retail trade 10.4%

Construction 10.3%

Transportation & utilities 9.7%

Manufacturing 9.6%

Public administration 9.0%

Professional & management 5.5%

Other services 4.8%

Arts, food & hospitality 3.5%

Wholesale trade 2.7%

Agriculture & mining 0.9%

Information 0.9%

Occupation

Category	%
Management, business & arts	35.9%
Service	11.8%
Sales & office	21.6%
Natural resources & construction	12.3%
Production & transportation	18.3%

Employment type

Type	%
Private sector	79.4%
Government	15.5%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.7%
Carpool	4.7%
Public transit	0.2%
Walk	0.9%
Work from home	12.7%
Other means	0.8%
Avg commute (minutes)	32.4

Poverty

All people 6.6%

Under 18 years 5.5%

18 and over 6.8%

Married-couple families 3.6%

Female-led households 13.6%

Income support

Source	% of households
Social Security	39.6%
Retirement income	36.0%
Supplemental Security	6.6%
Cash public assistance	1.6%
Food stamps / SNAP	9.8%

Health indicators

Condition	%
Obesity	34.2%
High blood pressure	32.8%
High cholesterol	32.7%
Diabetes	10.1%
Heart disease	6.7%
Stroke	3.0%
Asthma	10.1%
Arthritis	28.6%
Kidney disease	2.8%
Pulmonary disease	7.9%
Cancer	6.8%

Behavior / access	%
Smoking	20.8%
Binge drinking	19.3%
No physical activity	24.5%
Less than 7 hrs sleep	36.1%
Depression	22.8%
Fair or poor health	14.5%
Poor mental health	16.0%
Poor physical health	11.1%
No health insurance	10.7%
Visited doctor (checkup)	76.5%
Visited dentist	63.7%
Cholesterol screening	88.9%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	679	9.6%

Disability	%
Any disability	17.4%
Under 18	9.6%
18–64 years	12.9%
65 and over	37.5%

Health insurance coverage

Type	%
Private insurance	77.2%
Public insurance	39.4%
No insurance	3.7%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,212	95.0%
Spanish	25	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	25	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,586	99.4%
Born in same state	8,475	98.1%
Born in different state	7,377	85.4%
Foreign born	111	1.3%
Naturalized citizen	56	0.6%
Not a US citizen	20	35.7%

Ancestry

Ancestry	Count	%
Italian	1,004	11.6%
French	880	10.2%
Arab	827	9.6%
English	201	2.3%

Ancestry	Count	%
Irish	70	0.8%
German	30	0.3%
Norwegian	16	0.2%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	91.2%

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

Frequently asked questions about ZIP code 17020

What city is ZIP code 17020 in?

ZIP code 17020 is primarily assigned to Duncannon, Pennsylvania.

What county is ZIP code 17020 in?

ZIP code 17020 falls within Perry County, Pennsylvania.

Does ZIP code 17020 have a large retiree population?

40% of households in ZIP code 17020 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 17020 have a large veteran population?

10% of civilians in ZIP code 17020 are veterans, above the national average of ~7%.

What is the population of ZIP code 17020?

ZIP code 17020 has an estimated population of 8,642 residents, with a density of 150 people per square mile.

What is the typical home value in ZIP code 17020?

The median home value in ZIP code 17020 is $210,300.

What timezone is ZIP code 17020 in?

ZIP code 17020 observes the EST timezone.