Tennessee · HUD 2027 designations
Tennessee 2027 QCTs and DDAs by county
HUD's 2027 list puts 267 Tennessee census tracts, home to 915,455 people in the 2020 Census, in qualified census tracts, across 57 counties; Shelby County (75), Davidson County (27), Knox County (25) have the most. 1 nonmetropolitan county is a difficult development area. 33 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.
Qualified census tracts by county
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: Sevier 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 area | 2027 Small Area DDA ZCTAs |
|---|---|
| Chattanooga, TN-GA MSA | 37315, 37350, 37363, 37421 |
| Jackson, TN HUD Metro FMR Area | 38362 |
| Knoxville, TN HUD Metro FMR Area | 37922, 37932, 37934 |
| Maury County, TN HUD Metro FMR Area | 37174 |
| Memphis, TN-MS-AR HUD Metro FMR Area | 38002, 38018, 38036, 38103, 38135, 38138, 38139 |
| Nashville-Davidson--Murfreesboro--Franklin, TN HUD Metro FMR Area | 37014, 37027, 37037, 37064, 37067, 37069, 37122, 37135, 37179, 37201, 37204, 37205, 37215, 37219, 37220, 37221 |
| Smith County, TN HUD Metro FMR Area | 37090 |
Changes from the 2026 lists
Compared with HUD's 2026 lists, Tennessee gains 24 qualified census tracts and loses 37; 1 Small Area DDA ZIP codes are new and 7 dropped off; 0 nonmetro DDA counties are new and 4 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.
| County | Tracts new for 2027 | Tracts dropped since 2026 |
|---|---|---|
| Shelby County | 25, 69, 101.21, 203.02, 205.43, 220.23 | 12, 13, 15, 19, 24, 30, 36, 46, 55, 78.10, 107.20, 115, 116 |
| Davidson County | 154.04 | 139, 156.14, 156.15, 156.20, 173, 190.08, 194.01 |
| Washington County | 608, 613.01 | 605.01 |
| Hamblen County | 1002, 1008 | |
| Hamilton County | 123, 124 | |
| Loudon County | 602.03, 602.04 | |
| Montgomery County | 1003, 1012.01 | |
| Warren County | 9309 | 9307 |
| Bledsoe County | 9530 | |
| Bradley County | 102.02 | |
| Campbell County | 9506.01 | |
| Cannon County | 9603 | |
| Carter County | 715 | |
| Cumberland County | 9705.02 | |
| Decatur County | 9550.04 | |
| Hancock County | 9605 | |
| Hardeman County | 9503 | |
| Henry County | 9698 | |
| Knox County | 24 | |
| Lauderdale County | 505.04 | |
| Maury County | 107 | |
| McMinn County | 9702.02 | |
| Monroe County | 9251.01 | |
| Morgan County | 1101 | |
| Putnam County | 7 | |
| Rutherford County | 414.06 | |
| Scott County | 9754 | |
| Sevier County | 806.01 | |
| Sumner County | 203 |
Nonmetro DDA counties dropped: Bedford County, Coffee County, Putnam County, White County.
Small Area DDA ZIP codes new for 2027: 37350.
Small Area DDA ZIP codes dropped: 37686, 37902, 37931, 38016, 38017, 38133, 38476.
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).
More Tennessee data
- LIHTC in Tennesseeagency, QAP, ceiling
- Year 15 and Year 30 propertiesby county
- QCT and DDA lookupby address
- The 130% basis boostguide
Financing a Tennessee deal in a QCT or DDA?
Construction, bond, bridge and permanent debt for 4% and 9% deals.