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Pennsylvania · HUD 2027 designations

Pennsylvania 2027 QCTs and DDAs by county

HUD's 2027 list puts 552 Pennsylvania census tracts, home to 1,905,458 people in the 2020 Census, in qualified census tracts, across 47 counties; Philadelphia County (169), Allegheny County (86), Delaware County (32) have the most. 4 nonmetropolitan counties are difficult development areas. 91 ZIP code areas (ZCTAs) are Small Area DDAs. A building in a QCT or DDA can take 130% of eligible basis. The lists apply to allocations and bond issues after December 31, 2026.

5522027 qualified census tracts
1,905,458people in them (2020 Census)
4nonmetro DDA counties
91Small Area DDA ZIP codes

Qualified census tracts by county

Click a column to sort. Each county opens its full tract list.
County2027 QCTsPopulation in QCTsMonitored LIHTC properties in QCTs
Adams County13,9491
Allegheny County86212,81181
Beaver County1026,3986
Berks County1554,82110
Blair County410,5463
Bucks County418,1802
Butler County412,4483
Cambria County1122,0072
Cameron County11,9230
Carbon County14,1410
Centre County829,0017
Chester County415,3007
Clarion County12,8350
Clinton County11,8292
Columbia County26,7826
Crawford County26,6072
Cumberland County411,4796
Dauphin County930,6607
Delaware County32110,78620
Erie County1952,37310
Fayette County1240,7529
Franklin County15,8904
Huntingdon County12,3081
Indiana County310,8121
Jefferson County12,5821
Lackawanna County1338,0048
Lancaster County936,3694
Lawrence County48,9740
Lebanon County313,6544
Lehigh County1880,9006
Luzerne County2271,9728
Lycoming County26,1784
Mc Kean County25,2370
Mercer County37,1796
Mifflin County26,2070
Monroe County12,1260
Montgomery County724,5303
Northampton County627,4733
Northumberland County36,9421
Philadelphia County169750,911158
Schuylkill County414,4183
Somerset County12,0600
Venango County23,5502
Washington County917,4185
Wayne County14,4580
Westmoreland County2144,2049
York County1335,47413

Sources: HUD 2027 QCT data file (qct_data_2027.xlsx), checked tract by tract against HUD's QCT2027.csv; population from the 2020 Census columns in that file. Properties: HUD's LIHTC database (LIHTCPUB, revised May 28, 2026), monitored properties by 2020 tract.

Nonmetropolitan DDA counties

Every site in these counties is in a 2027 difficult development area: Monroe County, Montour County, Pike County, Wayne County.

Small Area DDA ZIP codes

In metro areas HUD designates DDAs by ZIP Code Tabulation Area. A ZCTA follows ZIP code boundaries closely but not exactly, so check a specific address with the lookup.

Metro area2027 Small Area DDA ZCTAs
Allentown-Bethlehem-Easton, PA HUD Metro FMR Area18011, 18017, 18020, 18031, 18034, 18045, 18062, 18069, 18104, 18106
Chambersburg, PA MSA17247
Lancaster, PA MSA17505, 17551, 17584
Lebanon, PA MSA17016
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA18902, 18912, 18913, 18914, 18915, 18923, 18925, 18929, 18933, 18938, 18940, 18946, 18947, 18954, 18977, 18980, 19004, 19010, 19025, 19041, 19047, 19066, 19072, 19073, 19085, 19087, 19095, 19096, 19102, 19103, 19106, 19107, 19118, 19123, 19125, 19127, 19130, 19146, 19147, 19301, 19317, 19319, 19333, 19341, 19342, 19343, 19345, 19355, 19372, 19373, 19380, 19406, 19422, 19425, 19426, 19428, 19444, 19462
Pittsburgh, PA HUD Metro FMR Area15015, 15042, 15090, 15142, 15222, 15232, 16046, 16059
Reading, PA MSA18056, 19516, 19518, 19541, 19560, 19608, 19610
Scranton--Wilkes-Barre, PA MSA18602, 18618
York-Hanover, PA MSA17407

Changes from the 2026 lists

Compared with HUD's 2026 lists, Pennsylvania gains 56 qualified census tracts and loses 50; 12 Small Area DDA ZIP codes are new and 6 dropped off; 1 nonmetro DDA county is new and 0 dropped off. A site that dropped off keeps its status for an application filed before 2027 and allocated within 730 days. Every state's changes.

CountyTracts new for 2027Tracts dropped since 2026
Philadelphia County41.04, 56, 104, 106, 172.02, 246, 302, 305.02, 308, 316, 320, 33230.01, 33, 66, 78, 118, 148, 156, 162, 242, 244, 248, 274.01, 275, 310, 313, 330, 390.02
Allegheny County4621, 4656, 4993, 55221115, 1702, 4012, 4200, 4240, 5140, 5629.01, 5632.02
Delaware County4008.01, 4020, 4021, 4028, 4034.02, 4037.014017, 4018, 4049
Erie County11, 17, 2023, 25, 26
Westmoreland County8004, 8048.01, 8070, 80768003, 8041
Lackawanna County1004, 1013, 1016, 1019, 1023
Luzerne County2015, 2123, 2137, 2141, 2179
Fayette County2606, 26252617, 2626
Lehigh County6, 5196.01
Beaver County6035, 6040
Blair County10161003
Bucks County1003.04, 1016.05
Cambria County127
Jefferson County95139512
Lancaster County10, 14
Schuylkill County19.01, 20
York County26
Adams County315.02
Armstrong County9519
Berks County17
Franklin County110
Indiana County9611.03
Lawrence County118
Mercer County309
Mifflin County9609
Montgomery County2039.02
Union County907
Washington County7957

Nonmetro DDA counties new for 2027: Montour County.

Small Area DDA ZIP codes new for 2027: 17247, 17505, 17551, 18011, 18017, 18104, 18947, 19516, 19518, 19541, 19560, 19608.

Small Area DDA ZIP codes dropped: 17568, 18077, 19060, 19312, 19438, 19453.

Computed by us from HUD's 2026 and 2027 files; 2026 notice: FR Doc. 2025-19007.

Designations: HUD 2027 QCT and DDA designations, FR Doc. 2026-20390 (91 FR 63573, Oct. 6, 2026).

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