Deposit growth without branch growth can be a useful signal, but only if the screen is built narrowly. A bank that adds deposits while the branch network stays flat may be getting more out of its existing markets, digital onboarding, commercial relationships, or treasury-management channels. A bank can also look good for less durable reasons: a few large accounts, a high-rate campaign, an acquisition, or a denominator trick after closing branches.
This post is not a league table of every bank that qualifies. It is a repeatable public-data screen for finding candidates that may be growing deposits more efficiently than peers, then rejecting the false positives.
At a Glance: The Screen
| Best aligned window | Use June 30, 2024 to June 30, 2025 for the latest complete annual branch/deposit comparison. FDIC Summary of Deposits data is an annual June 30 snapshot, while bank financials are quarterly.[1][2] |
| Universe | FDIC-insured banks with a meaningful branch network. Run internet-only, branchless, industrial-loan, and specialty national platforms in a separate bucket. |
| Core pass | Deposit growth above the peer median, branch count flat or down, deposits per branch rising versus peers, and noninterest-bearing deposit share not materially worse. |
| Fast fail | Deal-driven growth, new branches, a sharp drop in low-cost deposits, very high brokered or high-rate funding dependence, or a near-zero branch denominator. |
| Strong signal | The bank is adding more deposits per existing branch without visibly buying the growth or relying on a one-time balance-sheet event. |
The key is to treat this as a candidate screen, not a conclusion. The best result is not the bank with the biggest deposits-per-branch number. It is the bank whose deposit base is growing faster than similar banks while its physical footprint is stable and its deposit mix remains sound.
Why the Old Branch Logic Is Breaking
Branch expansion used to be a cleaner proxy for deposit gathering. Open more branches, reach more households and businesses, and deposits should follow. That relationship still matters in many markets, but it is no longer the only path. Banks can now add deposits through online account opening, embedded treasury relationships, association banking, niche commercial verticals, and deeper penetration of existing customers.
At the same time, the industry backdrop makes a naive deposits-per-branch ranking less useful. FDIC data show that the Summary of Deposits covers more than 76,000 domestic offices across more than 4,400 FDIC-insured institutions as of June 30, 2025.[1] FDIC quarterly industry commentary also showed domestic deposit growth continuing in 2025.[3] A falling or stable branch network in that environment does not automatically mean a bank has a better franchise. It may simply be operating inside an industry where deposits and physical offices are moving on different clocks.
Research also argues against declaring branches irrelevant. The Federal Reserve has documented accelerated branch closures around the pandemic period and uneven local effects.[4] NBER research summarized in 2023 found that very low branch density was associated with more uninsured-deposit outflow pressure during recent bank turmoil.[5] Older community-bank research by DeYoung, Lang, and Nolle found that internet banking worked more as a complement to branches than a simple substitute.[6]
The practical takeaway: branch-light growth can be good, but a low branch count is not automatically good. The question is whether the bank is deepening useful relationships from the footprint it already has.
Use Annual Branch Windows, Not TTM Branch Deltas
The most important methodology fix is timing. Branch counts should be measured on an annual Summary of Deposits basis because SOD is a June 30 branch-office snapshot.[1] Do not pair a Q4 2025 deposit number with a supposed trailing-twelve-month branch change unless you have a separate, consistent branch dataset. That creates a false precision problem.
For a clean public-data screen, align the dates like this:
- Deposits: use June 30 call-report or company-reported deposit balances.
- Branches: use the June 30 SOD branch count for the same dates.
- Deposit mix: use the same-quarter financial data for noninterest-bearing deposits, brokered deposits, and other funding-quality checks.
- Peer group: compare banks by asset size, business model, geography, and branch-network scale before ranking them.
That produces an annual screen, not a TTM screen. You can still monitor quarterly deposit momentum after the annual screen is built, but quarterly deposits should not be used to imply quarterly branch productivity unless the branch data is actually quarterly.
The Screen Criteria That Matter
A simple version of the screen is: deposits up, branches flat or down. A better version adds four guardrails.
1. Deposit Growth Must Clear a Peer Bar
Positive growth alone is too loose. In a strong deposit year, many banks will pass. Set the threshold at peer median plus 200 basis points, or use a top-third peer rank if you prefer percentiles. This is not an FDIC rule; it is a screen-design choice meant to keep the result list small enough for manual review.
2. Branch Count Must Be Flat or Lower on the Same Annual Date
The point is to isolate banks that did not add physical distribution. If a bank added branches, it may still be a good operator, but it belongs in a different screen: deposit growth with network expansion.
3. Deposits Per Branch Should Improve Versus Peers
Deposits per branch is useful only when the denominator is sensible. A bank with 40 branches and rising deposits per branch is easier to compare with branch-based peers than a national digital bank with one charter office. Rank deposits-per-branch change within a peer group, not across the whole industry.
4. Low-Cost Deposit Mix Should Hold Up
Deposit growth that comes with a sharp drop in noninterest-bearing balances may be bought growth. A practical cutoff is to fail banks where noninterest-bearing deposit share falls more than 100 basis points, unless there is a clear business-model explanation. Also check brokered deposits, deposit beta, and cost of funds where available.
A Worked Pass/Fail Example
The table below shows how the screen behaves when applied to two very different banks. The point is not to crown one bank or criticize the other. It is to show why branch-light screens need exclusions and peer buckets.
| Bank | Deposit Growth | Branches/Offices | Deposits Per Branch or Office | Noninterest-Bearing Mix | Screen Read |
|---|---|---|---|---|---|
| Western Alliance Bancorporation | $66.2B at June 30, 2024 to $71.1B at June 30, 2025, up about 7.4%. | 56 offices at both dates. | About $1.18B per office to $1.27B per office. | 32.5% to 32.3%, down only 20 bps. | Pass candidate. Deposits grew with a flat office count and stable low-cost mix. This still needs peer review, but it is the kind of result the screen is meant to surface.[7] |
| Live Oak Bancshares | $10.71B at June 30, 2024 to $12.59B at June 30, 2025, up about 17.6%. | Branchless/single-office model, so the denominator is structurally different from branch-based peers. | Extremely high by construction if forced into a one-office denominator. | Period-end noninterest-bearing deposits rose from about 2.5% to 3.1% of total deposits. | Fail for comparability, not growth. It may be a strong digital or specialty-bank story, but it should not be ranked against community banks with normal branch networks.[8][9][10] |
This is the most common mistake in branch-productivity work: the screen rewards a denominator before it understands the business model. A one-office lender, an internet bank, or an industrial loan company can dominate a deposits-per-branch ranking while telling you almost nothing about branch-based franchise productivity.
How to Interpret the Shortlist
Once the screen produces a shortlist, the manual review should answer three questions.
Did Deposits Grow Because Relationships Improved?
The strongest cases usually show deposit growth across more than one period, a stable or improving noninterest-bearing share, and no obvious reliance on unusually expensive funding. The weaker cases show a deposit jump that coincides with a pricing campaign, a temporary commercial balance, or a flight-to-safety event.
Did Branch Closures Create a Mechanical Win?
Deposits per branch can rise even when total deposits are flat or down if the bank closes enough branches. That may still be good cost discipline, but it is not the same as growth. Keep an absolute deposit-growth floor in the screen so you do not reward shrinkage dressed up as productivity.
Is the Peer Group Fair?
A rural community bank, a commercial-heavy metro bank, a wealth-focused bank, and a national SBA lender do not use branches in the same way. Compare banks with similar asset size, market type, loan mix, deposit strategy, and branch scale. Peer-relative change is more useful than a raw ranking.
The Metrics to Keep on One Page
A good analyst view for this screen should show the following metrics together, not scattered across separate tabs:
| Metric | Use | Red Flag |
|---|---|---|
| Total deposits | Confirms the funding base is actually expanding. | One-quarter spike or deal effect. |
| Branch count | Tests whether growth required new physical distribution. | Quarterly branch assumptions from annual data. |
| Deposits per branch | Measures productivity of the existing footprint. | Near-zero branch denominator or large-account concentration. |
| Noninterest-bearing deposit share | Checks whether low-cost balances held up. | Sharp decline during headline growth. |
| Brokered deposits and cost of funds | Shows whether the bank bought the growth. | Deposit growth paired with rising funding pressure. |
| Loan-to-deposit ratio | Adds liquidity and balance-sheet context. | Growth that only reflects defensive liquidity accumulation. |
If you run this analysis repeatedly, a structured workflow matters more than another spreadsheet. The Banking funding-analysis view is useful after the screen is defined because it keeps deposit trends, funding mix, peer comparisons, and public-data metrics in one place.
What a Strong Result Usually Looks Like
The strongest candidates have a boring pattern: deposits rise, the branch count does not, deposits per branch improves versus comparable banks, and the funding mix does not obviously deteriorate. The business explanation should also make sense. A commercial bank with strong treasury relationships, a community bank deepening local households, or a regional bank consolidating overlapping branches while keeping balances can all be plausible.
The weakest candidates have a spectacular headline and a fragile explanation. They may show very high deposits per branch because they are effectively branchless. They may show deposit growth because of a few large accounts. Or they may grow deposits by paying aggressively for balances that leave when pricing changes.
That is why the screen should be used as a research funnel. It helps answer a tighter and more useful question: which banks are getting more deposit productivity from the footprint they already have?
FAQ
Does deposit growth without branch growth prove a bank has a better franchise?
No. It is only a signal. It becomes more useful when deposits grew across a properly aligned annual branch window, the peer group is fair, and low-cost deposit mix did not weaken materially.
Why not rank every bank by deposits per branch?
Because the denominator can dominate the result. Internet banks, branchless specialty lenders, and single-office platforms can produce extreme ratios that are not comparable with branch-based community or regional banks.
Should declining branches count as positive?
Only if deposits and customer economics hold up. A branch closure can improve deposits per branch mechanically. The better test is whether the bank grew total deposits while maintaining a reasonable funding profile after the network change.
What public sources do I need to run the screen?
Use FDIC Summary of Deposits for annual branch-office data, FDIC or FFIEC financial data for same-quarter deposit and funding metrics, and company disclosures for cross-checking unusual banks. A workflow tool can speed up the comparison, but the screen should start with public data.
Sources
- FDIC, 2025 Summary of Deposits release – annual June 30 SOD scope, office count, and historical availability.
- FDIC BankFind Suite API documentation – public API documentation for institution, SOD, and financial datasets.
- FDIC Quarterly Banking Profile, Q4 2025 – industry deposit and banking-condition context.
- Federal Reserve, Bank Branches and COVID-19 – branch-closure trends and local access context.
- NBER Digest, Banks That Relied on Branches, Not Remote Depositors, Fared Better in Recent Turmoil – branch density and deposit-outflow risk summary.
- DeYoung, Lang, and Nolle, How the Internet Affects Output and Performance at Community Banks – evidence on internet banking as a complement to branches.
- Western Alliance Bancorporation Q2 2025 results – worked-example deposits, office count, and deposit mix.
- Live Oak Bancshares Q2 2024 results – worked-example June 30, 2024 deposits and noninterest-bearing deposits.
- Live Oak Bancshares Q1 2026 results – historical quarterly deposit table used for June 30, 2025 comparison values.
- Live Oak Bancshares Q3 2023 results – company description of its branchless technology-driven platform.