Arizona · HUD 2027 designations
Arizona 2027 QCTs and DDAs by county
HUD's 2027 list puts 288 Arizona census tracts, home to 1,138,257 people in the 2020 Census, in qualified census tracts, across 13 counties; Maricopa County (160), Pima County (51), Pinal County (15) have the most. 7 nonmetropolitan counties are difficult development areas. 102 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 |
|---|---|---|---|
| Apache County | 9 | 30,830 | 0 |
| Cochise County | 8 | 24,682 | 7 |
| Coconino County | 8 | 28,655 | 5 |
| Gila County | 1 | 1,825 | 0 |
| Graham County | 1 | 4,720 | 0 |
| Maricopa County | 160 | 688,295 | 132 |
| Mohave County | 12 | 33,604 | 5 |
| Navajo County | 8 | 23,315 | 1 |
| Pima County | 51 | 206,724 | 39 |
| Pinal County | 15 | 47,998 | 8 |
| Santa Cruz County | 2 | 6,609 | 1 |
| Yavapai County | 4 | 10,206 | 2 |
| Yuma County | 9 | 30,794 | 4 |
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: Apache County, Gila County, Graham County, Greenlee County, La Paz County, Navajo County, Santa Cruz 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 |
|---|---|
| Flagstaff, AZ MSA | 86001, 86004, 86011, 86015 |
| Lake Havasu City-Kingman, AZ MSA | 86021, 86022, 86404, 86406, 86432, 86436, 86438 |
| Phoenix-Mesa-Chandler, AZ MSA | 85004, 85016, 85024, 85028, 85044, 85045, 85048, 85050, 85054, 85083, 85085, 85086, 85087, 85121, 85138, 85140, 85142, 85143, 85209, 85212, 85215, 85224, 85226, 85233, 85234, 85248, 85249, 85250, 85251, 85253, 85254, 85255, 85257, 85258, 85260, 85262, 85263, 85264, 85266, 85268, 85283, 85284, 85286, 85295, 85296, 85297, 85298, 85305, 85308, 85309, 85310, 85331, 85338, 85339, 85340, 85355, 85374, 85377, 85379, 85382, 85383, 85387, 85388, 85392, 85395, 85396, 85623 |
| Prescott Valley-Prescott, AZ MSA | 86301, 86314, 86315, 86325, 86327, 86335, 86336, 86351 |
| Sierra Vista-Douglas, AZ MSA | 85613, 85615, 85650 |
| Tucson, AZ MSA | 85629, 85641, 85658, 85708, 85737, 85739, 85742, 85743, 85747, 85755 |
| Yuma, AZ MSA | 85356, 85365, 85367 |
Changes from the 2026 lists
Compared with HUD's 2026 lists, Arizona gains 23 qualified census tracts and loses 47; 4 Small Area DDA ZIP codes are new and 12 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 |
|---|---|---|
| Maricopa County | 610.46, 610.53, 1042.27, 1089.02, 1125.12, 1136.02, 1138, 1167.36, 4221.03, 8174 | 405.41, 610.63, 719.10, 822.09, 927.18, 930.02, 1055.02, 1070.02, 1073, 1096.02, 1096.04, 1112.01, 1116.02, 1121, 1125.04, 1132.04, 1135.03, 1136.01, 1144.02, 1152, 1159, 1172, 2175.01, 4205.06, 4218.02, 5228.02, 6147, 6153, 6185, 6192 |
| Pima County | 37.06, 40.34, 40.71 | 27.04, 40.39, 45.08, 45.11, 9409 |
| Cochise County | 1.02, 8, 15.01, 15.02 | 7 |
| Mohave County | 9504.01, 9517.02 | 9501.01, 9515.01 |
| Navajo County | 9400.12, 9400.15 | 9423 |
| Yuma County | 7, 10.03, 116.02 | |
| Pinal County | 8.07, 21.04 | |
| Santa Cruz County | 9664.01 | 9661.03 |
| Gila County | 9404 | |
| La Paz County | 206.02 | |
| Yavapai County | 14.01 |
Small Area DDA ZIP codes new for 2027: 85356, 85623, 86335, 86436.
Small Area DDA ZIP codes dropped: 85012, 85013, 85022, 85147, 85259, 85281, 85282, 85307, 85350, 85353, 85364, 85645.
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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