Rio Bank
Mcallen, Texas, Hidalgo County
$1.4B in total assets, the 794th largest of 4,309 US banks and 67th of 352 headquartered in Texas.
- FDIC certificate
- 25886
- Established
- 1985
- Owned by
- Rio Financial Services Inc
- Primary regulator
- FDIC
- Website
- www.rio.bank
At a glance
Compared with 77 banks headquartered in Texas with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $1.4B | 31% | $2.2B | |
| Loans | $851M | 21% | $1.3B | |
| Deposits | $1.2B | 25% | $1.8B | |
| Return on assets | 0.67% | 9% | 1.54% | |
| Net interest margin | 4.34% | 68% | 3.95% | |
| Efficiency ratio | 71.2% | 80% | 57.5% | |
| Equity to assets | 10.59% | 49% | 10.77% | |
| Loans to deposits | 72% | 29% | 80% |
Growth
Total assets grew 13.8% a year over the last 5 years and 17.2% a year over 10 years, including 2 acquisitions in the last 10 years.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| May 2025 | Lone Star Capital Bank, National Association San Antonio, TX | $492M |
| Aug 2018 | Elsa State Bank and Trust Company Elsa, TX | $193M |
Where they operate
23 branches in 8 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Hidalgo County, TX | $705M | 4.4% | 12 of 20 |
| Bexar County, TX | $180M | 0.1% | 21 of 50 |
| Cameron County, TX | $98M | 1.5% | 13 of 19 |
| Starr County, TX | $58M | 9.0% | 5 of 6 |
| Burnet County, TX | $57M | 3.4% | 8 of 15 |
| Hays County, TX | $49M | 1.4% | 11 of 22 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net gain of 15 branches since 2016 (8 to 23, +187.5%). 5 opened, 11 acquired, 1 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 8 | |||
| 2018 | Acquired Elsa State Bank and Trust Company | 6 | 0 | +6 | 14 |
| 2020 | Opened Mcallen | 1 | 0 | +1 | 15 |
| 2023 | Opened San Antonio | 1 | 0 | +1 | 16 |
| 2025 | Acquired Lone Star Capital Bank, National AssociationOpened 3 in Texas | 8 | 0 | +8 | 24 |
| 2026 through Q2 | Closed San Antonio | 0 | 1 | −1 | 23 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 36% | 39% | |
| Business (C&I) | 19% | 15% | |
| Construction and land | 18% | 13% | |
| 1-4 family residential | 14% | 20% | |
| Farmland | 7% | 3% | |
| Multifamily | 4% | 3% | |
| Consumer | 1% | 2% | |
| Agricultural | 0% | 1% | |
| Other | 1% | 4% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 55% | 48% | |
| Noninterest-bearing | 35% | 26% | |
| Time deposits | 9% | 26% |
Brokered deposits are 2.2% of deposits (peers 4.2%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.53% | 0.42% |
| Net charge-offs, annualized | 0.14% | 0.04% |
| Reserves to loans | 1.21% | 1.20% |
| Leverage ratio | 10.03% | 10.79% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Texas
Largest competitors in Hidalgo County, TX
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/rio