17566 ZIP Code — Quarryville, PA

Lancaster County, Pennsylvania

ZIP code 17566 is located in Quarryville, Pennsylvania, within Lancaster County. It covers approximately 59.61 square miles and serves a population of 12,150 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 717/223.

About ZIP code 17566

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 $264,600. Owner-occupancy sits near the national average at 71%.

Median household income is $71,422. 36% 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 28 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 (22%) compared to national benchmarks. 21% of residents lack health insurance, above the national average.

12,150

population

59.61

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

17566 ZIP code map

Cities in ZIP code 17566

Below are the cities the US Postal Service accepts for ZIP code 17566. Using any city not on this list may result in mail delivery delays.

City	Status
Quarryville	Acceptable
Quarryville	Preferred

Nearby ZIP codes

17536 Kirkwood (4.4 mi) 17560 New Providence (5.4 mi) 17579 Strasburg (7 mi) 17563 Peach Bottom (7 mi) 17509 Christiana (7.3 mi) 17532 Holtwood (8.3 mi) 17562 Paradise (8.3 mi) 19362 Nottingham (8.8 mi) 17584 Willow Street (9.2 mi) 17565 Pequea (9.8 mi) 19363 Oxford (10.3 mi) 17572 Ronks (10.5 mi)

Demographics updated 05/2026

Population
Total population	12,150
Population density	204 / sq mi
State FIPS	42
County FIPS	071

Geography
Land area	59.61 sq mi
Water area	0.23 sq mi
Latitude	39.8639
Longitude	-76.1480
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	32.0%	34.0%	39.8%
$50k – $100k	40.4%	35.3%	30.8%
$100k – $200k	23.3%	24.8%	22.4%
Over $200k	4.4%	6.0%	7.1%

Demographics & statistics

12,150

Population

204

People per sq mi

36.9

Median age

$71,422

Median household income

$33,047

Per capita income

$264,600

Median home value

$1,259

Median monthly rent

70.6%

Home ownership

8.8%

Poverty rate

2.8%

Unemployment

3,136

Housing units

20.0%

Bachelor's or higher

Age distribution

Male Female

475

Under 5

510

349

5–9

375

479

10–14

513

492

15–19

528

279

20–24

299

708

25–34

758

662

35–44

710

591

45–54

633

285

55–59

306

441

60–64

473

547

65–74

586

312

75–84

334

244

85+

261

← Male

Female →

Age summary

Group	Count	%
Under 18	3,264	26.9%
18 and over	8,886	73.1%
65 and over	2,284	18.8%
Median age	36.9 years

Race & ethnicity

White 89.9%

Hispanic or Latino 3%

Two or more races 2.2%

Asian 2%

Other race 1.9%

Black or African American 1%

Group	Count	%
White	11,254	89.9%
Hispanic or Latino	373	3%
Two or more races	272	2.2%
Asian	255	2%
Other race	242	1.9%
Black or African American	127	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.0%	34.0%	39.8%
$50k – $100k	40.4%	35.3%	30.8%
$100k – $200k	23.3%	24.8%	22.4%
Over $200k	4.4%	6.0%	7.1%

Under $10k 4.0%

$10k–$15k 2.3%

$15k–$25k 4.3%

$25k–$35k 5.3%

$35k–$50k 10.7%

$50k–$75k 25.5%

$75k–$100k 15.5%

$100k–$150k 15.9%

$150k–$200k 8.4%

$200k+ 8.0%

Range	% of households
Under $10k	4.0%
$10k–$15k	2.3%
$15k–$25k	4.3%
$25k–$35k	5.3%
$35k–$50k	10.7%
$50k–$75k	25.5%
$75k–$100k	15.5%
$100k–$150k	15.9%
$150k–$200k	8.4%
$200k+	8.0%
Median income	$71,422

Housing

Home values

Under $50k 2.0%

$50k–$100k 2.9%

$100k–$150k 5.4%

$150k–$200k 12.5%

$200k–$300k 39.7%

$300k–$500k 26.8%

$500k–$1M 8.5%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$264,600
Median rent / month	$1,259
Owner occupied	70.6%
Renter occupied	29.4%
Vacant	3.3%
Single-family detached	71.0%
Large apartment buildings	5.8%
Mobile homes	4.4%
Median rooms	6.2
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	0.0%
2010–2019	7.2%
2000–2009	13.9%
1990–1999	12.0%
1980–1989	13.0%
1970–1979	16.9%
1960–1969	4.3%
1950–1959	11.1%
1940–1949	4.2%
1939 or earlier	17.4%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	4.5%
2 bedrooms	14.7%
3 bedrooms	51.4%
4 bedrooms	18.0%
5+ bedrooms	7.8%

Vehicles per household

Vehicles	% of households
No vehicle	18.2%
1 vehicle	22.3%
2 vehicles	33.4%
3 or more	26.1%

Heating fuel

Fuel type	%
Utility gas	7.1%
Electricity	34.2%
Propane / LP gas	14.2%
Fuel oil	25.5%
Wood	9.0%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,696	63.6%
Cohabiting couple	101	2.4%
Male householder, no spouse	510	12.0%
Female householder, no spouse	933	22.0%
Households with children under 18	1,402	33.1%
Households with seniors (65+)	1,489	35.1%
Average household size	2.82

Marital status

Status	Male	Female
Never married	24.4%	22.9%
Married	65.2%	56.7%
Separated	1.2%	0.9%
Widowed	2.4%	12.6%
Divorced	6.8%	6.9%

Education

Less than 9th grade 10.8%

Some HS, no diploma 8.5%

HS graduate 39.3%

Some college, no degree 14.0%

Associate's degree 7.5%

Bachelor's degree 13.9%

Graduate / professional 6.1%

Metric	%
HS diploma or higher	80.8%
Bachelor's or higher	20.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	185	7.2%
Kindergarten	77	3.0%
Elementary school	1,376	53.7%
High school	665	26.0%
College / grad school	258	10.1%

Employment

Industry of employment

Education & healthcare 18.0%

Manufacturing 14.1%

Retail trade 12.2%

Construction 10.7%

Transportation & utilities 8.2%

Arts, food & hospitality 7.6%

Professional & management 7.4%

Finance & real estate 6.5%

Agriculture & mining 4.9%

Other services 4.8%

Public administration 2.8%

Wholesale trade 2.0%

Information 0.7%

Occupation

Category	%
Management, business & arts	27.7%
Service	17.6%
Sales & office	16.5%
Natural resources & construction	16.3%
Production & transportation	21.9%

Employment type

Type	%
Private sector	81.7%
Government	9.6%
Self-employed	8.1%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	70.1%
Carpool	15.8%
Public transit	0.5%
Walk	5.6%
Work from home	5.7%
Other means	2.3%
Avg commute (minutes)	27.5

Poverty

All people 8.8%

Under 18 years 13.1%

18 and over 7.2%

Married-couple families 2.4%

Female-led households 23.5%

Income support

Source	% of households
Social Security	36.0%
Retirement income	24.2%
Supplemental Security	6.5%
Cash public assistance	1.7%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
Obesity	34.4%
High blood pressure	32.5%
High cholesterol	31.5%
Diabetes	10.5%
Heart disease	7.4%
Stroke	3.4%
Asthma	10.7%
Arthritis	29.0%
Kidney disease	3.0%
Pulmonary disease	8.7%
Cancer	7.2%

Behavior / access	%
Smoking	21.8%
Binge drinking	17.8%
No physical activity	25.6%
Less than 7 hrs sleep	36.8%
Depression	23.9%
Fair or poor health	16.4%
Poor mental health	16.8%
Poor physical health	11.8%
No health insurance	12.7%
Visited doctor (checkup)	77.6%
Visited dentist	60.8%
Cholesterol screening	87.1%
Teeth loss	18.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	498	5.6%

Disability	%
Any disability	12.5%
Under 18	6.1%
18–64 years	7.8%
65 and over	36.5%

Health insurance coverage

Type	%
Private insurance	61.4%
Public insurance	30.6%
No insurance	21.0%
Uninsured under 19	31.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,165	91.9%
Spanish	627	5.6%
Other Indo-European	92	0.8%
Asian & Pacific Islander	471	4.2%
Other languages	64	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,863	97.6%
Born in same state	11,629	95.7%
Born in different state	9,862	81.2%
Foreign born	234	1.9%
Naturalized citizen	287	2.4%
Not a US citizen	146	50.9%

Ancestry

Ancestry	Count	%
Arab	1,167	9.6%
French	1,117	9.2%
Italian	1,083	8.9%
Polish	76	0.6%
Dutch	57	0.5%

Ancestry	Count	%
English	56	0.5%
Irish	42	0.3%
Norwegian	30	0.2%
German	11	0.1%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	81.1%

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

Frequently asked questions about ZIP code 17566

What city is ZIP code 17566 in?

ZIP code 17566 is primarily assigned to Quarryville, Pennsylvania.

What county is ZIP code 17566 in?

ZIP code 17566 falls within Lancaster County, Pennsylvania.

Does ZIP code 17566 have a large retiree population?

36% of households in ZIP code 17566 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 17566?

ZIP code 17566 has an estimated population of 12,150 residents, with a density of 204 people per square mile.

What is the median household income in ZIP code 17566?

The median household income in ZIP code 17566 is $71,422, below the national median of ~$75,000.

What is the typical home value in ZIP code 17566?

The median home value in ZIP code 17566 is $264,600.

What timezone is ZIP code 17566 in?

ZIP code 17566 observes the EST timezone.