17340 ZIP Code — Littlestown, PA

Adams County, Pennsylvania

ZIP code 17340 is located in Littlestown, Pennsylvania, within Adams County. It covers approximately 39.39 square miles and serves a population of 11,622 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 717.

About ZIP code 17340

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 $266,700. Owner-occupancy is high at 78%, well above the national average.

Median household income is $80,475. 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 33 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 17340 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

11,622

population

39.39

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

17340 ZIP code map

Cities in ZIP code 17340

Below are the cities the US Postal Service accepts for ZIP code 17340. Using any city not on this list may result in mail delivery delays.

City	Status
Littlestown	Acceptable
Littlestown	Preferred

Nearby ZIP codes

17344 Mc Sherrystown (6 mi) 17331 Hanover (6.9 mi) 17333 Hanover (7.4 mi) 17332 Hanover (7.4 mi) 17334 Hanover (7.4 mi) 21787 Taneytown (8.1 mi) 17325 Gettysburg (8.1 mi) 17335 Hanover (8.4 mi) 17350 New Oxford (8.7 mi) 21158 Westminster (10.1 mi) 17301 Abbottstown (11.7 mi) 21727 Emmitsburg (13.3 mi)

Demographics updated 05/2026

Population
Total population	11,622
Population density	295 / sq mi
State FIPS	42
County FIPS	001

Geography
Land area	39.39 sq mi
Water area	0.08 sq mi
Latitude	39.7647
Longitude	-77.1151
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	33.9%	35.3%	39.8%
$50k – $100k	32.5%	34.5%	30.8%
$100k – $200k	29.4%	25.5%	22.4%
Over $200k	4.2%	4.7%	7.1%

Demographics & statistics

11,622

Population

295

People per sq mi

39.9

Median age

$80,475

Median household income

$35,465

Per capita income

$266,700

Median home value

$1,105

Median monthly rent

77.5%

Home ownership

10.0%

Poverty rate

2.9%

Unemployment

3,612

Housing units

19.0%

Bachelor's or higher

Age distribution

Male Female

257

Under 5

263

477

5–9

490

338

10–14

348

406

15–19

417

297

20–24

305

740

25–34

760

638

35–44

656

711

45–54

730

415

55–59

426

476

60–64

489

574

65–74

590

288

75–84

296

116

85+

119

← Male

Female →

Age summary

Group	Count	%
Under 18	2,670	23.0%
18 and over	8,952	77.0%
65 and over	1,983	17.1%
Median age	39.9 years

Race & ethnicity

White 92.2%

Two or more races 2.4%

Black or African American 2%

Hispanic or Latino 2%

Other race 1.2%

Asian 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	10,936	92.2%
Two or more races	280	2.4%
Black or African American	234	2%
Hispanic or Latino	234	2%
Other race	144	1.2%
Asian	19	0.2%
American Indian / Alaska Native	9	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.9%	35.3%	39.8%
$50k – $100k	32.5%	34.5%	30.8%
$100k – $200k	29.4%	25.5%	22.4%
Over $200k	4.2%	4.7%	7.1%

Under $10k 4.5%

$10k–$15k 1.1%

$15k–$25k 5.3%

$25k–$35k 5.1%

$35k–$50k 15.3%

$50k–$75k 16.7%

$75k–$100k 15.2%

$100k–$150k 21.2%

$150k–$200k 8.8%

$200k+ 6.8%

Range	% of households
Under $10k	4.5%
$10k–$15k	1.1%
$15k–$25k	5.3%
$25k–$35k	5.1%
$35k–$50k	15.3%
$50k–$75k	16.7%
$75k–$100k	15.2%
$100k–$150k	21.2%
$150k–$200k	8.8%
$200k+	6.8%
Median income	$80,475

Housing

Home values

Under $50k 4.6%

$50k–$100k 2.8%

$100k–$150k 5.4%

$150k–$200k 12.6%

$200k–$300k 37.9%

$300k–$500k 30.9%

$500k–$1M 5.7%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$266,700
Median rent / month	$1,105
Owner occupied	77.5%
Renter occupied	22.5%
Vacant	5.5%
Single-family detached	74.1%
Large apartment buildings	0.7%
Mobile homes	1.0%
Median rooms	6.3
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.2%
2010–2019	5.5%
2000–2009	14.9%
1990–1999	17.1%
1980–1989	7.5%
1970–1979	12.4%
1960–1969	5.6%
1950–1959	9.2%
1940–1949	3.0%
1939 or earlier	24.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	4.5%
2 bedrooms	17.9%
3 bedrooms	49.3%
4 bedrooms	20.8%
5+ bedrooms	6.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.9%
1 vehicle	24.3%
2 vehicles	38.1%
3 or more	31.7%

Heating fuel

Fuel type	%
Utility gas	43.3%
Electricity	27.5%
Propane / LP gas	9.2%
Fuel oil	13.1%
Wood	5.0%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	2,362	54.4%
Cohabiting couple	164	3.8%
Male householder, no spouse	726	16.7%
Female householder, no spouse	1,086	25.0%
Households with children under 18	1,241	28.6%
Households with seniors (65+)	1,380	31.8%
Average household size	2.67

Marital status

Status	Male	Female
Never married	28.6%	20.7%
Married	57.9%	54.1%
Separated	1.1%	1.6%
Widowed	2.4%	8.3%
Divorced	10.0%	15.3%

Education

Less than 9th grade 1.7%

Some HS, no diploma 5.7%

HS graduate 44.2%

Some college, no degree 16.8%

Associate's degree 12.7%

Bachelor's degree 12.4%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	92.6%
Bachelor's or higher	19.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	69	2.6%
Kindergarten	211	7.8%
Elementary school	1,250	46.3%
High school	650	24.1%
College / grad school	522	19.3%

Employment

Industry of employment

Education & healthcare 23.9%

Manufacturing 14.7%

Retail trade 11.8%

Construction 10.0%

Professional & management 7.4%

Arts, food & hospitality 6.3%

Transportation & utilities 5.1%

Wholesale trade 5.0%

Public administration 5.0%

Finance & real estate 4.1%

Other services 4.0%

Agriculture & mining 2.1%

Information 0.7%

Occupation

Category	%
Management, business & arts	25.9%
Service	17.7%
Sales & office	22.4%
Natural resources & construction	10.9%
Production & transportation	23.1%

Employment type

Type	%
Private sector	81.7%
Government	14.7%
Self-employed	3.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.3%
Carpool	9.2%
Public transit	0.5%
Walk	1.7%
Work from home	11.7%
Other means	0.6%
Avg commute (minutes)	32.9

Poverty

All people 10.0%

Under 18 years 18.8%

18 and over 7.4%

Married-couple families 2.4%

Female-led households 30.8%

Income support

Source	% of households
Social Security	38.0%
Retirement income	30.7%
Supplemental Security	4.2%
Cash public assistance	2.0%
Food stamps / SNAP	9.0%

Health indicators

Condition	%
Obesity	34.0%
High blood pressure	31.4%
High cholesterol	33.1%
Diabetes	9.4%
Heart disease	6.4%
Stroke	2.8%
Asthma	9.9%
Arthritis	26.7%
Kidney disease	2.7%
Pulmonary disease	7.1%
Cancer	6.9%

Behavior / access	%
Smoking	19.7%
Binge drinking	19.9%
No physical activity	22.5%
Less than 7 hrs sleep	33.5%
Depression	22.8%
Fair or poor health	13.0%
Poor mental health	15.3%
Poor physical health	10.2%
No health insurance	10.2%
Visited doctor (checkup)	76.0%
Visited dentist	66.2%
Cholesterol screening	89.5%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	873	9.8%

Disability	%
Any disability	15.1%
Under 18	6.4%
18–64 years	12.5%
65 and over	35.4%

Health insurance coverage

Type	%
Private insurance	75.7%
Public insurance	37.9%
No insurance	3.4%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,102	95.5%
Spanish	164	1.5%
Other Indo-European	139	1.3%
Asian & Pacific Islander	15	0.1%
Other languages	10	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,552	99.4%
Born in same state	11,468	98.7%
Born in different state	5,697	49.0%
Foreign born	84	0.7%
Naturalized citizen	70	0.6%
Not a US citizen	17	24.3%

Ancestry

Ancestry	Count	%
Italian	1,862	16%
Arab	1,393	12%
French	1,142	9.8%
English	169	1.5%
Irish	78	0.7%

Ancestry	Count	%
Norwegian	21	0.2%
Dutch	16	0.1%
Polish	9	0.1%
German	7	0.1%

Technology access

Metric	% of households
Computer access	37.3%
Internet access	90.5%

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

Frequently asked questions about ZIP code 17340

What city is ZIP code 17340 in?

ZIP code 17340 is primarily assigned to Littlestown, Pennsylvania.

What county is ZIP code 17340 in?

ZIP code 17340 falls within Adams County, Pennsylvania.

Does ZIP code 17340 have a large retiree population?

38% of households in ZIP code 17340 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 17340 have a large veteran population?

10% of civilians in ZIP code 17340 are veterans, above the national average of ~7%.

What is the population of ZIP code 17340?

ZIP code 17340 has an estimated population of 11,622 residents, with a density of 295 people per square mile.

What is the typical home value in ZIP code 17340?

The median home value in ZIP code 17340 is $266,700.

What timezone is ZIP code 17340 in?

ZIP code 17340 observes the EST timezone.