Oklahoma · HUD 2027 designations
Oklahoma 2027 QCTs and DDAs by county
HUD's 2027 list puts 230 Oklahoma census tracts, home to 681,231 people in the 2020 Census, in qualified census tracts, across 46 counties; Oklahoma County (71), Tulsa County (50), Cleveland County (12) have the most. 8 nonmetropolitan counties are difficult development areas. 6 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: Beckham County, Bryan County, Carter County, Craig County, Kingfisher County, Love County, Texas County, Woodward 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 |
|---|---|
| Oklahoma City, OK HUD Metro FMR Area | 73012, 73078, 73131, 73145, 73179 |
| Okmulgee County, OK HUD Metro FMR Area | 74422 |
Changes from the 2026 lists
Compared with HUD's 2026 lists, Oklahoma gains 21 qualified census tracts and loses 16; 4 Small Area DDA ZIP codes are new and 2 dropped off; 4 nonmetro DDA counties are 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.
| County | Tracts new for 2027 | Tracts dropped since 2026 |
|---|---|---|
| Oklahoma County | 1022, 1059.04, 1085.21 | 1002.02, 1039, 1052.02, 1068.01, 1072.15, 1072.26, 1073.03, 1076.05, 1082.08, 1083.09 |
| Tulsa County | 29, 69.05, 71.01, 73.10, 76.17, 76.43, 83, 86, 91.04 | 76.50 |
| Cleveland County | 2020.06 | 2001 |
| Jefferson County | 3718 | 3717 |
| Beckham County | 9665 | |
| Canadian County | 3003 | |
| Carter County | 8923.02 | |
| Cherokee County | 9778.01 | |
| Creek County | 201.02 | |
| Grady County | 10 | |
| Haskell County | 2794 | |
| Mayes County | 401 | |
| McIntosh County | 7796.01 | |
| Payne County | 114 |
Nonmetro DDA counties new for 2027: Beckham County, Kingfisher County, Love County, Woodward County.
Small Area DDA ZIP codes new for 2027: 73078, 73131, 73145, 73179.
Small Area DDA ZIP codes dropped: 73538, 74103.
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 Oklahoma data
- LIHTC in Oklahomaagency, QAP, ceiling
- Year 15 and Year 30 propertiesby county
- QCT and DDA lookupby address
- The 130% basis boostguide
Financing a Oklahoma deal in a QCT or DDA?
Construction, bond, bridge and permanent debt for 4% and 9% deals.