Montana · HUD 2027 designations
Montana 2027 QCTs and DDAs by county
HUD's 2027 list puts 37 Montana census tracts, home to 117,506 people in the 2020 Census, in qualified census tracts, across 18 counties; Yellowstone County (5), Missoula County (4), Gallatin County (3) have the most. 29 nonmetropolitan counties are difficult development areas. 5 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
| County | 2027 QCTs | Population in QCTs | Monitored LIHTC properties in QCTs |
|---|---|---|---|
| Big Horn County | 2 | 4,858 | 2 |
| Blaine County | 2 | 3,245 | 5 |
| Cascade County | 2 | 4,843 | 4 |
| Flathead County | 2 | 4,207 | 14 |
| Gallatin County | 3 | 13,444 | 7 |
| Glacier County | 1 | 5,670 | 3 |
| Hill County | 2 | 6,163 | 2 |
| Lake County | 2 | 5,925 | 6 |
| Lewis and Clark County | 2 | 6,254 | 2 |
| Liberty County | 1 | 1,959 | 0 |
| Lincoln County | 3 | 9,308 | 2 |
| Missoula County | 4 | 11,268 | 11 |
| Pondera County | 1 | 2,464 | 0 |
| Roosevelt County | 2 | 8,856 | 5 |
| Rosebud County | 1 | 2,778 | 2 |
| Sanders County | 1 | 1,975 | 0 |
| Silver Bow County | 1 | 2,977 | 3 |
| Yellowstone County | 5 | 21,312 | 11 |
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: Big Horn County, Blaine County, Carter County, Chouteau County, Custer County, Fergus County, Flathead County, Glacier County, Golden Valley County, Hill County, Lake County, Lincoln County, McCone County, Madison County, Meagher County, Musselshell County, Park County, Petroleum County, Pondera County, Prairie County, Ravalli County, Richland County, Roosevelt County, Rosebud County, Silver Bow County, Teton County, Toole County, Treasure County, Wibaux 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 |
|---|---|
| Billings, MT HUD Metro FMR Area | 59079 |
| Bozeman, MT MSA | 59718 |
| Broadwater County, MT HUD Metro FMR Area | 59752 |
| Missoula, MT HUD Metro FMR Area | 59834 |
| Stillwater County, MT HUD Metro FMR Area | 59069 |
Changes from the 2026 lists
Compared with HUD's 2026 lists, Montana gains 8 qualified census tracts and loses 5; 1 Small Area DDA ZIP codes are new and 5 dropped off; 0 nonmetro DDA counties are new and 1 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 |
|---|---|---|
| Lake County | 9403.04 | 9405, 9407 |
| Yellowstone County | 7.06, 9.02 | 4.02 |
| Lincoln County | 1, 5 | |
| Missoula County | 2.04, 10.02 | |
| Deer Lodge County | 4 | |
| Gallatin County | 9 | |
| Lewis and Clark County | 8 |
Nonmetro DDA counties dropped: Dawson County.
Small Area DDA ZIP codes new for 2027: 59718.
Small Area DDA ZIP codes dropped: 59602, 59640, 59716, 59730, 59804.
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 Montana data
- LIHTC in Montanaagency, QAP, ceiling
- Year 15 and Year 30 propertiesby county
- QCT and DDA lookupby address
- The 130% basis boostguide
Financing a Montana deal in a QCT or DDA?
Construction, bond, bridge and permanent debt for 4% and 9% deals.