Zions Bancorporation holds $74.1B in deposits across 111 counties in 36 ranked markets and 11 states. Its deposit footprint is broadly distributed: the top three counties (Salt Lake County, Harris County, Clark County) hold 39% of its deposits, and Utah accounts for 31% of the total. It ranks among the three largest institutions in 47 of the 111 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | Salt Lake County, UT | $13.9B | 18.8% | 1.4% | 29 |
| 2. | Harris County, TX | $10.0B | 13.5% | 3.4% | 34 |
| 3. | Clark County, NV | $4.8B | 6.5% | 4.8% | 25 |
| 4. | Los Angeles County, CA | $4.7B | 6.4% | 0.9% | 19 |
| 5. | San Diego County, CA | $4.3B | 5.7% | 3.3% | 21 |
| 6. | Utah County, UT | $2.8B | 3.7% | 11.2% | 13 |
| 7. | Orange County, CA | $2.8B | 3.7% | 1.7% | 9 |
| 8. | Maricopa County, AZ | $2.6B | 3.5% | 1.5% | 16 |
| 9. | Denver County, CO | $1.3B | 1.7% | 2.4% | 6 |
| 10. | Montgomery County, TX | $1.2B | 1.6% | 6.8% | 9 |
| 11. | Washington County, UT | $1.2B | 1.6% | 30.9% | 8 |
| 12. | Fort Bend County, TX | $1.1B | 1.5% | 5.8% | 6 |
| 13. | Pima County, AZ | $1.1B | 1.5% | 5.9% | 7 |
| 14. | Davis County, UT | $1.1B | 1.5% | 25.2% | 8 |
| 15. | King County, WA | $979M | 1.3% | 0.9% | 2 |
| 16. | Riverside County, CA | $969M | 1.3% | 2.3% | 7 |
| 17. | Washoe County, NV | $890M | 1.2% | 6.0% | 4 |
| 18. | Ada County, ID | $883M | 1.2% | 6.0% | 4 |
| 19. | San Francisco County, CA | $734M | 1.0% | 0.2% | 3 |
| 20. | Yavapai County, AZ | $671M | 0.9% | 11.9% | 7 |
| 21. | Summit County, UT | $655M | 0.9% | 33.4% | 4 |
| 22. | Bexar County, TX | $655M | 0.9% | 0.4% | 6 |
| 23. | Cache County, UT | $643M | 0.9% | 20.9% | 4 |
| 24. | Dallas County, TX | $590M | 0.8% | 0.2% | 8 |
| 25. | Weber County, UT | $569M | 0.8% | 12.0% | 5 |
| 26. | Fresno County, CA | $487M | 0.7% | 2.5% | 2 |
| 27. | Galveston County, TX | $482M | 0.7% | 7.0% | 7 |
| 28. | Sacramento County, CA | $461M | 0.6% | 0.6% | 2 |
| 29. | Navajo County, AZ | $381M | 0.5% | 30.9% | 4 |
| 30. | Bonneville County, ID | $379M | 0.5% | 14.3% | 2 |
| 31. | Coconino County, AZ | $349M | 0.5% | 14.8% | 4 |
| 32. | Yuma County, AZ | $336M | 0.5% | 11.2% | 3 |
| 33. | Mohave County, AZ | $328M | 0.4% | 7.6% | 3 |
| 34. | Alameda County, CA | $328M | 0.4% | 0.5% | 3 |
| 35. | Elko County, NV | $318M | 0.4% | 37.7% | 4 |
| 36. | Nye County, NV | $292M | 0.4% | 37.9% | 2 |
| 37. | Duchesne County, UT | $280M | 0.4% | 82.1% | 2 |
| 38. | Santa Clara County, CA | $278M | 0.4% | 0.2% | 3 |
| 39. | Carson (City) County, NV | $275M | 0.4% | 18.5% | 2 |
| 40. | San Bernardino County, CA | $233M | 0.3% | 0.6% | 4 |
| 41. | Pueblo County, CO | $233M | 0.3% | 10.8% | 3 |
| 42. | Apache County, AZ | $228M | 0.3% | 53.9% | 2 |
| 43. | Canyon County, ID | $227M | 0.3% | 8.0% | 3 |
| 44. | Wasatch County, UT | $225M | 0.3% | 44.8% | 1 |
| 45. | Cochise County, AZ | $224M | 0.3% | 13.4% | 3 |
| 46. | Adams County, CO | $213M | 0.3% | 3.3% | 3 |
| 47. | Boulder County, CO | $213M | 0.3% | 1.8% | 3 |
| 48. | Sevier County, UT | $197M | 0.3% | 47.6% | 2 |
| 49. | Jefferson County, CO | $189M | 0.3% | 1.0% | 3 |
| 50. | Pitkin County, CO | $183M | 0.2% | 9.8% | 1 |
| 51. | Uintah County, UT | $176M | 0.2% | 36.9% | 1 |
| 52. | Millard County, UT | $174M | 0.2% | 64.6% | 2 |
| 53. | Iron County, UT | $173M | 0.2% | 12.2% | 1 |
| 54. | Montezuma County, CO | $168M | 0.2% | 21.7% | 1 |
| 55. | Box Elder County, UT | $153M | 0.2% | 28.5% | 2 |
| 56. | El Paso County, CO | $147M | 0.2% | 1.4% | 2 |
| 57. | Sanpete County, UT | $137M | 0.2% | 36.0% | 2 |
| 58. | Carbon County, UT | $132M | 0.2% | 49.3% | 1 |
| 59. | Graham County, AZ | $131M | 0.2% | 30.2% | 1 |
| 60. | Douglas County, NV | $129M | 0.2% | 7.6% | 1 |
| 61. | Arapahoe County, CO | $127M | 0.2% | 0.6% | 2 |
| 62. | Jefferson County, ID | $126M | 0.2% | 27.0% | 1 |
| 63. | Multnomah County, OR | $125M | 0.2% | 0.4% | 1 |
| 64. | San Mateo County, CA | $123M | 0.2% | 0.3% | 2 |
| 65. | Bingham County, ID | $118M | 0.2% | 18.2% | 1 |
| 66. | Tooele County, UT | $114M | 0.2% | 45.4% | 1 |
| 67. | La Paz County, AZ | $114M | 0.2% | 57.1% | 1 |
| 68. | Grand County, UT | $112M | 0.2% | 59.5% | 1 |
| 69. | Teller County, CO | $110M | 0.1% | 37.3% | 1 |
| 70. | Gila County, AZ | $106M | 0.1% | 11.4% | 1 |
| 71. | Twin Falls County, ID | $102M | 0.1% | 4.5% | 2 |
| 72. | Madison County, ID | $100M | 0.1% | 15.5% | 1 |
| 73. | Cassia County, ID | $98M | 0.1% | 11.8% | 1 |
| 74. | Routt County, CO | $94M | 0.1% | 7.3% | 1 |
| 75. | San Juan County, UT | $94M | 0.1% | 69.7% | 2 |
| 76. | Tarrant County, TX | $91M | 0.1% | 0.1% | 2 |
| 77. | Greenlee County, AZ | $89M | 0.1% | 100.0% | 1 |
| 78. | Brazoria County, TX | $88M | 0.1% | 1.5% | 1 |
| 79. | Kane County, UT | $88M | 0.1% | 39.3% | 1 |
| 80. | Bear Lake County, ID | $87M | 0.1% | 76.7% | 1 |
| 81. | La Plata County, CO | $87M | 0.1% | 4.2% | 2 |
| 82. | San Juan County, NM | $86M | 0.1% | 4.7% | 1 |
| 83. | Mesa County, CO | $85M | 0.1% | 2.3% | 2 |
| 84. | Lyon County, NV | $83M | 0.1% | 20.7% | 1 |
| 85. | Payette County, ID | $82M | 0.1% | 17.0% | 2 |
| 86. | Washington County, ID | $82M | 0.1% | 52.9% | 1 |
| 87. | Blaine County, ID | $80M | 0.1% | 6.3% | 2 |
| 88. | Pinal County, AZ | $78M | 0.1% | 2.3% | 2 |
| 89. | Latah County, ID | $76M | 0.1% | 11.4% | 1 |
| 90. | Garfield County, UT | $72M | 0.1% | 55.1% | 1 |
| 91. | Bannock County, ID | $71M | 0.1% | 6.8% | 1 |
| 92. | Montrose County, CO | $69M | 0.1% | 5.1% | 1 |
| 93. | Ventura County, CA | $69M | 0.1% | 0.3% | 1 |
| 94. | Kern County, CA | $67M | 0.1% | 0.6% | 1 |
| 95. | Humboldt County, NV | $67M | 0.1% | 20.0% | 1 |
| 96. | Emery County, UT | $65M | 0.1% | 100.0% | 1 |
| 97. | Pershing County, NV | $62M | 0.1% | 100.0% | 1 |
| 98. | Nez Perce County, ID | $59M | 0.1% | 8.6% | 1 |
| 99. | Teton County, WY | $59M | 0.1% | 2.2% | 1 |
| 100. | Rich County, UT | $57M | 0.1% | 100.0% | 2 |
| 101. | Douglas County, CO | $55M | 0.1% | 0.8% | 1 |
| 102. | Collin County, TX | $52M | 0.1% | 0.1% | 1 |
| 103. | Contra Costa County, CA | $52M | 0.1% | 0.1% | 1 |
| 104. | Gooding County, ID | $48M | 0.1% | 25.9% | 1 |
| 105. | Santa Cruz County, AZ | $47M | 0.1% | 4.3% | 1 |
| 106. | Wharton County, TX | $45M | 0.1% | 2.7% | 1 |
| 107. | Comal County, TX | $44M | 0.1% | 1.3% | 1 |
| 108. | Eureka County, NV | $42M | 0.1% | 100.0% | 1 |
| 109. | Travis County, TX | $38M | 0.1% | 0.1% | 1 |
| 110. | Churchill County, NV | $35M | 0.0% | 7.0% | 1 |
| 111. | Eagle County, CO | $31M | 0.0% | 1.0% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.