Louisiana · HUD 2027 designations
Louisiana 2027 QCTs and DDAs by county
HUD's 2027 list puts 278 Louisiana census tracts, home to 834,588 people in the 2020 Census, in qualified census tracts, across 47 counties; Orleans Parish (59), East Baton Rouge Parish (38), Jefferson Parish (18) have the most. 2 nonmetropolitan counties are difficult development areas. 17 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: St. Mary Parish, Vernon Parish.
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 |
|---|---|
| Assumption Parish, LA HUD Metro FMR Area | 70372 |
| Baton Rouge, LA HUD Metro FMR Area | 70801 |
| Morehouse Parish, LA HUD Metro FMR Area | 71280 |
| New Orleans-Metairie, LA HUD Metro FMR Area | 70030, 70037, 70038, 70040, 70041, 70070, 70082, 70083, 70091, 70115, 70124, 70130 |
| Shreveport-Bossier City, LA MSA | 71110 |
| Slidell-Mandeville-Covington, LA MSA | 70447 |
Changes from the 2026 lists
Compared with HUD's 2026 lists, Louisiana gains 41 qualified census tracts and loses 39; 5 Small Area DDA ZIP codes are new and 6 dropped off; 0 nonmetro DDA counties are new and 13 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 |
|---|---|---|
| Orleans Parish | 6.02, 6.11, 17.01, 17.57, 36, 44.02, 136 | 9.03, 17.55, 17.56, 29, 31, 94 |
| East Baton Rouge Parish | 3, 11.03, 28.01, 38.06 | 35.01, 39.10, 51, 52 |
| Caddo Parish | 210, 217 | 211, 223, 237.01 |
| Jefferson Parish | 265, 297 | 262, 269, 275.02 |
| Ouachita Parish | 4.01, 106.05, 107, 109 | 111 |
| Calcasieu Parish | 15 | 7, 8, 14.01 |
| St. Landry Parish | 9606.01, 9609.01, 9614.01, 9614.02 | |
| Tangipahoa Parish | 9534.01, 9543 | 9536.02, 9539.01 |
| Avoyelles Parish | 305.02 | 304.02, 309 |
| Bossier Parish | 106.02, 107.01 | 113 |
| Rapides Parish | 105.02, 117, 129 | |
| Ascension Parish | 309 | 310.02 |
| Bienville Parish | 9701 | 9702 |
| Lafayette Parish | 20.01 | 13.02 |
| Morehouse Parish | 9504, 9508 | |
| Terrebonne Parish | 5.01, 7.02 | |
| Acadia Parish | 9601.01 | |
| Allen Parish | 9503 | |
| Caldwell Parish | 1 | |
| Concordia Parish | 3 | |
| Iberia Parish | 308 | |
| Jackson Parish | 9705 | |
| Lafourche Parish | 209 | |
| Livingston Parish | 408.07 | |
| Richland Parish | 9705 | |
| St. Tammany Parish | 407.13 | |
| Vermilion Parish | 9504 | |
| Washington Parish | 9507 | |
| Webster Parish | 313 |
Nonmetro DDA counties dropped: Allen Parish, Avoyelles Parish, Caldwell Parish, Claiborne Parish, Franklin Parish, Iberia Parish, LA HUD Metro FMR Area, La Salle Parish, Lincoln Parish, Natchitoches Parish, Red River Parish, Sabine Parish, St. Landry Parish, Webster Parish.
Small Area DDA ZIP codes new for 2027: 70038, 70041, 70083, 70091, 70372.
Small Area DDA ZIP codes dropped: 70123, 70431, 70448, 70739, 71051, 71237.
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 Louisiana data
- LIHTC in Louisianaagency, QAP, ceiling
- Year 15 and Year 30 propertiesby county
- QCT and DDA lookupby address
- The 130% basis boostguide
Financing a Louisiana deal in a QCT or DDA?
Construction, bond, bridge and permanent debt for 4% and 9% deals.