Largest lenders in Union County
| # | Lender | Grade | Applications | Originated | Denial rate | Median rate |
|---|---|---|---|---|---|---|
| 1 | Central Bank | A | 33 | 25 | 6.1% | 6.50% |
| 2 | Plains Commerce Bank | B | 31 | 16 | 6.5% | 6.69% |
| 3 | Siouxland Federal Credit Union | C | 31 | 23 | 9.7% | 5.99% |
| 4 | Rocket Mortgage | C | 31 | 24 | 16.1% | 6.99% |
| 5 | U.S. Bank | D | 25 | 19 | 8.0% | 7.95% |
| 6 | The Security National Bank of Sioux City, Iowa | C | 25 | 17 | 4.0% | — |
| 7 | First Dakota National Bank | A | 21 | 15 | 14.3% | 6.38% |
| 8 | Mortgage Research Center | C | 16 | 8 | 12.5% | 6.50% |
| 9 | First PREMIER Bank | C | 15 | 7 | 33.3% | 6.13% |
| 10 | Northwest Bank | A | 13 | 12 | 0.0% | 6.50% |
| 11 | Primebank | A | 13 | 11 | 7.7% | — |
| 12 | Premier Bank | C | 12 | 9 | 8.3% | — |
| 13 | Citizens Bank | C | 10 | 7 | 20.0% | 6.38% |
| 14 | First Bank & Trust | C | 10 | 7 | 0.0% | 8.25% |
| 15 | Pennymac Loan Services | C | 9 | 5 | 11.1% | 6.00% |
| 16 | Iowa Bankers Mortgage | B | 9 | 7 | 22.2% | 6.38% |
| 17 | First International Bank & Trust | B | 9 | 6 | 0.0% | 5.94% |
| 18 | Levo Federal Credit Union | B | 8 | 5 | 25.0% | 6.75% |
| 19 | Liberty National Bank | – | 8 | 8 | 0.0% | — |
| 20 | Availa Bank | C | 8 | 8 | 0.0% | — |
| 21 | Newrez | D | 8 | 2 | 37.5% | 6.06% |
| 22 | Peoples Bank | C | 8 | 8 | 0.0% | — |
| 23 | Wells Fargo Bank | B | 7 | 2 | 28.6% | 5.75% |
| 24 | Guaranteed Rate | B | 7 | 5 | 14.3% | 6.25% |
| 25 | Security National Bank of South Dakota | – | 7 | 6 | 14.3% | — |
What Union County borrowers applied for
By loan purpose
By loan type
Why applications were denied
Union County by year
| Year | Applications | Originated | Denial rate | Median rate | Median loan |
|---|---|---|---|---|---|
| 2023 | 493 | 348 | 12.2% | 6.75% | $205,000 |
| 2024 | 551 | 379 | 12.2% | 6.63% | $205,000 |
| 2025 | 520 | 350 | 12.5% | 6.50% | $245,000 |
Frequently asked questions
12.5% of applications in Union County were denied in 2025, against 12.8% statewide in South Dakota.
Central Bank, with 33 applications in 2025 and a denial rate of 6.1%.
The median mortgage application in Union County in 2025 was for $245,000; the median property value on originated loans was $365,000.