17320 ZIP Code — Fairfield, PA

Adams County, Pennsylvania

ZIP code 17320 is located in Fairfield, Pennsylvania, within Adams County. It covers approximately 57.00 square miles and serves a population of 8,206 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 717/223.

About ZIP code 17320

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $275,600. Owner-occupancy is high at 87%, well above the national average.

Median household income is $86,420. 38% 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 34 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 17320 reflects a community defined by high homeownership and a significant Social Security-dependent population.

8,206

population

57.00

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

17320 ZIP code map

Cities in ZIP code 17320

Below are the cities the US Postal Service accepts for ZIP code 17320. Using any city not on this list may result in mail delivery delays.

City	Status
Fairfield	Acceptable
Fairfield	Preferred

Nearby ZIP codes

17214 Blue Ridge Summit (6 mi) 21727 Emmitsburg (7.5 mi) 17325 Gettysburg (8.3 mi) 21719 Cascade (8.8 mi) 21780 Sabillasville (9.1 mi) 17222 Fayetteville (9.8 mi) 17237 Mont Alto (10.8 mi) 17307 Biglerville (11.3 mi) 21778 Rocky Ridge (11.8 mi) 17268 Waynesboro (12.1 mi) 21787 Taneytown (13.2 mi) 21788 Thurmont (13.2 mi)

Demographics updated 05/2026

Population
Total population	8,206
Population density	144 / sq mi
State FIPS	42
County FIPS	001

Geography
Land area	57.00 sq mi
Water area	0.16 sq mi
Latitude	39.7812
Longitude	-77.3654
Timezone	Eastern (ET)
Area code	717/223

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.3%	35.3%	39.8%
$50k – $100k	37.1%	34.5%	30.8%
$100k – $200k	26.0%	25.5%	22.4%
Over $200k	5.6%	4.7%	7.1%

Demographics & statistics

8,206

Population

144

People per sq mi

45.3

Median age

$86,420

Median household income

$39,798

Per capita income

$275,600

Median home value

$1,274

Median monthly rent

86.9%

Home ownership

8.8%

Poverty rate

2.0%

Unemployment

3,020

Housing units

24.7%

Bachelor's or higher

Age distribution

Male Female

272

Under 5

292

231

5–9

249

179

10–14

192

241

15–19

260

140

20–24

151

439

25–34

473

457

35–44

491

660

45–54

711

289

55–59

311

269

60–64

289

499

65–74

538

178

75–84

192

85+

105

← Male

Female →

Age summary

Group	Count	%
Under 18	1,733	21.1%
18 and over	6,473	78.9%
65 and over	1,610	19.6%
Median age	45.3 years

Race & ethnicity

White 89.7%

Two or more races 5.8%

Hispanic or Latino 3%

Black or African American 0.9%

Asian 0.3%

Other race 0.2%

Group	Count	%
White	7,590	89.7%
Two or more races	494	5.8%
Hispanic or Latino	258	3%
Black or African American	78	0.9%
Asian	23	0.3%
Other race	18	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.3%	35.3%	39.8%
$50k – $100k	37.1%	34.5%	30.8%
$100k – $200k	26.0%	25.5%	22.4%
Over $200k	5.6%	4.7%	7.1%

Under $10k 4.6%

$10k–$15k 1.2%

$15k–$25k 5.5%

$25k–$35k 4.7%

$35k–$50k 11.9%

$50k–$75k 16.8%

$75k–$100k 12.4%

$100k–$150k 22.2%

$150k–$200k 9.9%

$200k+ 10.9%

Range	% of households
Under $10k	4.6%
$10k–$15k	1.2%
$15k–$25k	5.5%
$25k–$35k	4.7%
$35k–$50k	11.9%
$50k–$75k	16.8%
$75k–$100k	12.4%
$100k–$150k	22.2%
$150k–$200k	9.9%
$200k+	10.9%
Median income	$86,420

Housing

Home values

Under $50k 4.9%

$50k–$100k 0.7%

$100k–$150k 3.6%

$150k–$200k 13.3%

$200k–$300k 39.6%

$300k–$500k 32.6%

$500k–$1M 5.2%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$275,600
Median rent / month	$1,274
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	9.1%
Single-family detached	91.7%
Large apartment buildings	0.0%
Mobile homes	2.9%
Median rooms	6.9
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	0.1%
2010–2019	6.1%
2000–2009	17.2%
1990–1999	25.7%
1980–1989	10.1%
1970–1979	14.9%
1960–1969	8.0%
1950–1959	4.1%
1940–1949	3.8%
1939 or earlier	10.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	2.0%
2 bedrooms	14.7%
3 bedrooms	58.5%
4 bedrooms	21.2%
5+ bedrooms	2.8%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	14.9%
2 vehicles	39.4%
3 or more	40.8%

Heating fuel

Fuel type	%
Utility gas	13.9%
Electricity	52.8%
Propane / LP gas	16.2%
Fuel oil	8.2%
Wood	7.5%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	1,936	62.1%
Cohabiting couple	166	5.3%
Male householder, no spouse	414	13.3%
Female householder, no spouse	602	19.3%
Households with children under 18	972	31.2%
Households with seniors (65+)	1,164	37.3%
Average household size	2.61

Marital status

Status	Male	Female
Never married	29.0%	17.5%
Married	62.1%	57.7%
Separated	0.4%	0.5%
Widowed	1.4%	13.5%
Divorced	7.2%	10.8%

Education

Less than 9th grade 2.6%

Some HS, no diploma 6.1%

HS graduate 35.3%

Some college, no degree 20.9%

Associate's degree 10.5%

Bachelor's degree 16.3%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	91.3%
Bachelor's or higher	24.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	67	4.9%
Kindergarten	102	7.4%
Elementary school	588	42.6%
High school	380	27.6%
College / grad school	242	17.5%

Employment

Industry of employment

Education & healthcare 19.0%

Arts, food & hospitality 14.8%

Public administration 9.9%

Manufacturing 9.6%

Professional & management 9.6%

Construction 7.5%

Retail trade 7.4%

Transportation & utilities 6.4%

Other services 4.5%

Finance & real estate 3.9%

Agriculture & mining 3.7%

Information 1.9%

Wholesale trade 1.8%

Occupation

Category	%
Management, business & arts	34.7%
Service	23.4%
Sales & office	15.8%
Natural resources & construction	11.1%
Production & transportation	15.0%

Employment type

Type	%
Private sector	74.4%
Government	16.7%
Self-employed	8.7%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.1%
Carpool	8.7%
Public transit	0.0%
Walk	1.8%
Work from home	10.0%
Other means	0.4%
Avg commute (minutes)	34.4

Poverty

All people 8.8%

Under 18 years 10.8%

18 and over 8.3%

Married-couple families 5.5%

Female-led households 7.8%

Income support

Source	% of households
Social Security	37.9%
Retirement income	33.2%
Supplemental Security	3.3%
Cash public assistance	1.8%
Food stamps / SNAP	5.2%

Health indicators

Condition	%
Obesity	33.6%
High blood pressure	31.4%
High cholesterol	33.8%
Diabetes	9.3%
Heart disease	6.2%
Stroke	2.7%
Asthma	9.6%
Arthritis	26.6%
Kidney disease	2.6%
Pulmonary disease	6.7%
Cancer	7.2%

Behavior / access	%
Smoking	18.0%
Binge drinking	19.7%
No physical activity	20.8%
Less than 7 hrs sleep	32.8%
Depression	22.1%
Fair or poor health	11.9%
Poor mental health	14.4%
Poor physical health	9.6%
No health insurance	9.1%
Visited doctor (checkup)	76.6%
Visited dentist	69.1%
Cholesterol screening	91.0%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	616	9.6%

Disability	%
Any disability	14.4%
Under 18	2.8%
18–64 years	13.3%
65 and over	30.1%

Health insurance coverage

Type	%
Private insurance	75.8%
Public insurance	37.4%
No insurance	4.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,642	93.1%
Spanish	72	0.9%
Other Indo-European	65	0.9%
Asian & Pacific Islander	7	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,052	98.1%
Born in same state	7,937	96.7%
Born in different state	3,982	48.5%
Foreign born	115	1.4%
Naturalized citizen	154	1.9%
Not a US citizen	99	64.3%

Ancestry

Ancestry	Count	%
Italian	1,117	13.6%
French	806	9.8%
Arab	721	8.8%
English	106	1.3%

Ancestry	Count	%
Polish	18	0.2%
German	8	0.1%
Irish	4	0%

Technology access

Metric	% of households
Computer access	38.0%
Internet access	94.7%

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

Frequently asked questions about ZIP code 17320

What city is ZIP code 17320 in?

ZIP code 17320 is primarily assigned to Fairfield, Pennsylvania.

What county is ZIP code 17320 in?

ZIP code 17320 falls within Adams County, Pennsylvania.

Is ZIP code 17320 mostly owner-occupied?

87% of occupied units in ZIP code 17320 are owner-occupied, well above the national average.

Does ZIP code 17320 have a large retiree population?

38% of households in ZIP code 17320 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 17320 have a large veteran population?

10% of civilians in ZIP code 17320 are veterans, above the national average of ~7%.

What is the population of ZIP code 17320?

ZIP code 17320 has an estimated population of 8,206 residents, with a density of 144 people per square mile.

What timezone is ZIP code 17320 in?

ZIP code 17320 observes the EST timezone.