County ZIP codes · Pennsylvania · FIPS 42071

Lancaster County, PA ZIP Codes

Lancaster County, Pennsylvania has 80 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 60 residential and 20 for PO boxes or a single organization. 53 of the residential ones lie mainly in Lancaster County and 7 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $62,169 in 17560 (New Providence) to $125,313 in 17565 (Pequea) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

17560 · $62k 17565 · $125k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $80,050 and $99,202.

They carry 57 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 60 residential ZIP codes in Lancaster County

53 ZIP codes lie mainly in Lancaster County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Lancaster County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
17603	Lancaster	67,571	2,253	$77k	$262k	100%
17601	Lancaster	56,382	1,682	$102k	$354k	100%
17602	Lancaster	52,217	2,126	$76k	$272k	100%
17543	Lititz	45,912	696	$97k	$348k	100%
17522	Ephrata	33,852	787	$75k	$285k	100%
17022	Elizabethtown	31,908	581	$87k	$294k	71%
17545	Manheim	23,556	338	$85k	$289k	94%
17552	Mount Joy	19,761	606	$98k	$293k	100%
17512	Columbia	18,148	1,134	$67k	$245k	100%
17557	New Holland	15,055	470	$83k	$287k	100%
17517	Denver	14,686	413	$99k	$297k	100%
17566	Quarryville	12,603	211	$78k	$306k	100%
17551	Millersville	11,753	1,108	$69k	$288k	100%
17584	Willow Street	11,646	786	$109k	$310k	100%
17540	Leola	10,728	513	$92k	$339k	100%
17547	Marietta	9,210	770	$92k	$271k	100%
17578	Stevens	7,504	537	$82k	$315k	100%
17554	Mountville	7,453	2,390	$98k	$302k	100%
17569	Reinholds	7,323	442	$96k	$303k	74%
17538	Landisville	7,314	1,770	$87k	$299k	100%
17555	Narvon	7,251	219	$116k	$393k	99%
17519	East Earl	7,127	331	$96k	$330k	100%
17579	Strasburg	6,875	470	$92k	$349k	100%
17527	Gap	6,094	290	$95k	$325k	94%
17560	New Providence	5,460	346	$62k	$217k	100%
17516	Conestoga	5,180	252	$104k	$314k	100%
17509	Christiana	5,135	197	$77k	$332k	100%
17520	East Petersburg	5,040	2,748	$93k	$266k	100%
17529	Gordonville	4,826	329	$80k	$362k	100%
17501	Akron	4,614	3,002	$78k	$259k	100%
17562	Paradise	4,373	254	$109k	$391k	100%
17563	Peach Bottom	3,952	122	$94k	$318k	100%
17572	Ronks	3,643	224	$81k	$289k	100%
17536	Kirkwood	3,452	165	$76k	$339k	100%
17532	Holtwood	3,328	156	$85k	$349k	100%
17535	Kinzers	3,042	240	$109k	$410k	100%
17565	Pequea	2,523	190	$125k	$340k	100%
17502	Bainbridge	2,485	233	$73k	$233k	100%
17505	Bird In Hand	2,358	318	$97k	$324k	100%
17582	Washington Boro	1,702	186	$100k	$305k	100%
17518	Drumore	1,360	98	$65k	$382k	100%
17508	Brownstown	1,125	3,961	$105k	$348k	100%
19501	Adamstown	823	842	$110k	$234k	98%
17506	Blue Ball	469	6,091	–	$296k	100%
17606	Lancaster	404	9,395	–	–	100%
17550	Maytown	313	2,006	–	–	100%
17581	Terre Hill	180	479	–	$285k	100%
17570	Rheems	176	733	$91k	$259k	100%
17504	Bausman	105	5,526	$89k	$216k	100%
17576	Smoketown	103	1,084	–	–	100%
17507	Bowmansville	64	3,048	–	–	100%
17534	Intercourse	no residents	0	–	–	100%
17568	Refton	no residents	0	–	–	100%

Partly in Lancaster County

Residential ZIP codes mainly in another county that reach at least 1% into Lancaster County, by their share here
						In this county
19362	Nottingham	6,092	207	$89k	$360k	39%
19543	Morgantown	6,401	299	$113k	$361k	29%
19540	Mohnton	11,957	340	$100k	$320k	10%
17073	Newmanstown	6,314	222	$92k	$272k	9%
19310	Atglen	2,950	221	$82k	$316k	8%
19363	Oxford	18,231	360	$107k	$370k	4%
19344	Honey Brook	12,827	387	$87k	$321k	3%

Download the 80 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

13 ZIP codes of Lancaster County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Lancaster County and in the neighboring counties
ZIP	In Lancaster	Elsewhere
17022	71%	Dauphin County 29%
17545	94%	Lebanon County 6%
19363	4%	Chester County 96%
19344	3%	Chester County 97%
19540	10%	Berks County 90%
17569	74%	Berks County 26%
17555	99%
19543	29%	Berks County 68%; Chester County 2%
17073	9%	Lebanon County 91%
17527	94%	Chester County 6%
19362	39%	Chester County 61%
19310	8%	Chester County 92%
19501	98%	Berks County 2%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Lancaster County without a residential area (GeoNames postal codes)
ZIP	Postal name
17503	Bart
17521	Elm
17528	Goodville
17533	Hopeland
17537	Lampeter
17549	Martindale
17564	Penryn
17567	Reamstown
17573	Ronks
17575	Silver Spring
17580	Talmage
17583	West Willow
17585	Witmer
17604	Lancaster
17605	Lancaster
17607	Lancaster
17608	Lancaster
17611	Lancaster
17622	Lancaster
17699	Lancaster

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Lancaster County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lancaster County's ZIP codes use 5 prefixes: 170, 175, 176, 193 and 195.

Three-digit prefixes of Lancaster County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Lancaster County's
Prefix	Sectional center	Here	All codes
170	Harrisburg, PA (SCF 170)	2	92
175	Harrisburg, PA (SCF 170)	60	60
176	Harrisburg, PA (SCF 170)	11	11
193	Wilmington, DE (SCF 197)	4	53
195	Harrisburg, PA (SCF 170)	3	44

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.

Where are the ZIP codes of Lancaster County?