Postal Codes

17527 ZIP Code

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ZIP code 17527 covers Gap, Pennsylvania, with a population of about 6,479 and a median household income of $92,292.

Population
6,479308 per square mile
Median age
34.14.6 points below the US average
Median household income
$92,2921.2× the Pennsylvania median
Poverty rate
4.9%7.5 points below the US average
Typical home value
$476,008up 35% in five years
Median rent
$1,3191.1× the Pennsylvania median
Degree or higher
16.7%18.3 points below the US average
Homeownership
73.4%8.4 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
241

Where 17527 is

Gap, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,479
Median age34.1
Family households80.3%
Born outside the US2.2%
Speaks a language other than English at home23.1%
White (non-Hispanic)93.5%
Black (non-Hispanic)1%
Asian (non-Hispanic)0.1%
Hispanic or Latino3.8%
Veterans6.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$92,292
Income per person$36,600
Poverty rate4.9%
Households on SNAP or cash assistance10.8%

Household income distribution

Under $10k3.3%
$10–15k0.7%
$15–20k1.5%
$20–25k1.4%
$25–30k0.8%
$30–35k5.7%
$35–40k2.3%
$40–45k1.6%
$45–50k4.2%
$50–60k3.2%
$60–75k13.5%
$75–100k17.3%
$100–125k11.1%
$125–150k9.2%
$150–200k12.2%
$200k or more12.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,080
Mean adjusted gross income$80,803
Returns declaring $200,000 or more5.8%
Returns, under $25k29.9%
Returns, $25k–$50k20.8%
Returns, $50k–$75k17.9%
Returns, $75k–$100k11.0%
Returns, $100k–$200k14.6%
Returns, $200k or more5.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$297,700
Median gross rent$1,319
Rent as a share of household income27.4%
Owner-occupied73.4%
Vacant homes1.8%
Median year built1977

What the homes are

Detached house77.3%
Attached house5.5%
2 to 4 units5.1%
5 to 19 units1.2%
Mobile home11%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$476,008as of 2026-07
Typical home value, 1 yearup 5.4%
Typical home value, 5 yearsup 35%
Typical home value, 10 yearsup 84.7%
Typical home value since 2000
200220142026$476,008$169,176

$169,176 in 2002 to $476,008 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.5%
Bachelor's degree or higher16.7%
High school diploma or higher75%
Works from home7.9%
Drives to work alone62.3%
Takes public transport0.8%
Commutes 45 minutes or more16.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening63.5% 0.8 pts below the national average of 64.3%
Visited a dentist60.9% same as the national average of 61.3%
Mammography use71.9% 4 pts below the national average of 75.9%
Sleeps under 7 hours38.6% 2.2 pts above the national average of 36.4%
All natural teeth lost17% 4 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments241
People employed3,686
Annual payroll$104,689,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 79.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss70.9 out of 100
Community resilience59.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather95.5Very High at its worst in this ZIP code
Drought93.8Relatively High at its worst in this ZIP code
River flooding89.6Relatively High at its worst in this ZIP code
Hurricane89.2Relatively High at its worst in this ZIP code
Landslide79.6Relatively Low at its worst in this ZIP code
Hail78.1Relatively Moderate at its worst in this ZIP code
Lightning76.8Relatively High at its worst in this ZIP code
Strong wind69.7Relatively Moderate at its worst in this ZIP code
Heat wave68.3Relatively Moderate at its worst in this ZIP code
Earthquake67.8Relatively Low at its worst in this ZIP code
Cold wave66.2Relatively Moderate at its worst in this ZIP code
Ice storm60.3Relatively Low at its worst in this ZIP code
Wildfire52.3Very Low at its worst in this ZIP code
Tornado46.5Relatively Moderate at its worst in this ZIP code
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Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$92,292$76,081$78,538
Income per person$36,600$43,104$43,289
Poverty rate4.9%11.8%12.4%
Median home value$297,700$240,500$303,400
Median gross rent$1,319$1,162$1,348
Homeownership73.4%69.3%65%
Bachelor's degree or higher16.7%34.5%35%
Unemployment rate0.5%5.2%5.2%
Works from home7.9%13.8%13.5%
Born outside the US2.2%7.4%13.9%
Median age34.140.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationNEW HOLLAND 2 SE, PA US10.3 km away
Rain in a year47 in
Snow in a year34 in

Average high and low by month

January38.7°F / 23.5°F3.34 in rain, 10.3 in snow
February41.6°F / 24.7°F2.78 in rain, 10.6 in snow
March50.5°F / 31.9°F4.11 in rain, 5.5 in snow
April63°F / 42.4°F3.56 in rain, 1.2 in snow
May72.9°F / 52.7°F3.52 in rain
June81.4°F / 61.7°F4.5 in rain
July85.9°F / 66.3°F4.43 in rain
August84.3°F / 64.8°F4.27 in rain
September77.2°F / 57.6°F4.9 in rain
October65.2°F / 47°F4.56 in rain, 0.3 in snow
November53.6°F / 36.5°F3.18 in rain, 1 in snow
December43.2°F / 28.8°F3.69 in rain, 4.6 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket3% of this ZIP code's area
No vehicle and far from a supermarket97% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Pequea Valley School District82.8% of this ZIP code's land area
Octorara Area School District14.2% of this ZIP code's land area
Coatesville Area School District3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability55more vulnerable than 55% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport67more vulnerable than 67% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

17535 Kinzers, PA4.4 km away
19310 Atglen, PA6.7 km away
19365 Parkesburg, PA7.3 km away
19369 Sadsburyville, PA9 km away
17562 Paradise, PA9.6 km away
17534 Intercourse, PA10.1 km away
17529 Gordonville, PA10.3 km away
19367 Pomeroy, PA10.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lancaster County94.1% of this ZIP code's land area
Chester County5.9% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area21.02 sq mi
Water area0.1 sq mi
Population density308 people per sq mi
Latitude, longitude40.0020, -75.9978

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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