Refinance lenders in Woodbury County, Iowa
Fat Boy Data analyzed mortgage refinance activity in Woodbury County, Iowa, home to Sioux City, to show which lenders are making these loans, how often they approve, how often borrowers accept the offer, and how much they typically finance. 871 applications were decided by 84 lenders between 2023 and 2025.
Woodbury County at a glance
How Woodbury County compares
What the data shows
Siouxland Federal Credit Union made the most mortgage refinances in Woodbury County, IA, 176 of them.
That is 28% of every mortgage refinance originated here, so this market is unusually concentrated in one lender.
Primebank approved the highest share of applications among lenders with at least 20 decisions here, 92% of 38.
Lenders approved 74.7% of mortgage refinance applications in Woodbury County, IA, 10.4 percentage points below the Iowa rate of 85.1%.
The typical mortgage refinance here is $65K, 38% smaller than the Iowa typical of $105K.
Each dot is one lender, placed at its approval rate. Hover for the sample size; the 5 largest lenders are named, the rest are behind the unlock.
Refinance lenders in Woodbury County
| Lender | Approval | Approved | Taken up | Typical loan | Loans made | |
|---|---|---|---|---|---|---|
| 1 | Siouxland Federal Credit Union | 70% | 178 / 253 | 99% | $55K | 176 |
| 2 | The Security National Bank of Sioux City, Iowa | 76% | 75 / 99 | 99% | $65K | 74 |
| 3 | Northwest Bank | 80% | 40 / 50 | 100% | $115K | 40 |
| 4 | Primebank | 92% | 35 / 38 | 100% | $145K | 35 |
| 5 | Rocket Mortgage, LLC | 71% | 27 / 38 | 96% | $155K | 26 |
Ranked by lending volume. Approval is the share of decided applications a lender approved; taken up is the share of approvals borrowers accepted. Lenders with fewer than 20 decisions are marked as a limited sample and never used for a “highest approval” claim.How the numbers work.
Fat Boy found 79 more lenders.
One email unlocks every lender Fat Boy found.
You are seeing the 5 largest mortgage refinance lenders in Woodbury County. Unlock the full market: every lender that decided one of these loans here, what they approved, how much borrowers took, and how close the nearest office is.
- Every lender in the market
- Approval rate and borrower take-up
- Typical loan size and range
- Nearest office and distance
- Branch count and application options
- How easy each lender is to reach
We email you the unlock link plus occasional updates on this market. We may also share your interest with mortgage providers so they can contact you.See how we use your data. Unsubscribe any time.