Branch Network
Security First Bank Locations & Branches Lincoln, Nebraska
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Security First Bank operates 35 branches from its headquarters in Lincoln, NE, .
Security First Bank branch network
Its 35 branches span 2 states and 30 cities. The most are in NEBRASKA (32) and SOUTH DAKOTA (3). NEBRASKA holds 76.9% of its branch deposits. Lincoln, NE has the most of its branches, 3. Its largest office by deposits is the Rapid City Branch office in Rapid City, SD, with $332.6M (16.4% of its branch deposits). On June 30, 2025 it had 25 branches, 10 fewer than in 2026.
Security First Bank at a glance
Its CET1 capital ratio was 11.03% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $2.32B
- CET1 ratio, Q2 2026
- 11.03%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1924
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Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Lincoln, NE (3 branches) | 10 of 25 | 2.0% | $284.4M |
| State: NE (32 branches) | 10 of 160 | 1.6% | $1.56B |
Ranked by total assets among banks headquartered in the state: Largest banks in Nebraska.
Share by county and metro area
Security First Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Pennington, SD (2 branches) | 4 of 10 | 11.4% | $373.8M | $3.27B |
| Gage, NE (6 branches) | 1 of 9 | 34.1% | $305.1M | $894.7M |
| Lancaster, NE (3 branches) | 10 of 31 | 1.9% | $284.4M | $14.86B |
| Sheridan, NE (2 branches) | 2 of 3 | 41.6% | $233.5M | $560.8M |
| Cherry, NE (3 branches) | 1 of 5 | 41.0% | $157.8M | $385.3M |
| Cheyenne, NE (1 branch) | 3 of 5 | 27.6% | $133.4M | $482.8M |
| Bennett, SD (1 branch) | 1 of 1 | 100.0% | $94.5M | $94.5M |
| Dawes, NE (2 branches) | 1 of 6 | 23.7% | $78.4M | $330.2M |
| Holt, NE (2 branches) | 4 of 7 | 10.5% | $65.3M | $624.3M |
| Dawson, NE (2 branches) | 8 of 11 | 3.5% | $53.2M | $1.51B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Rapid City, SD (2 branches) | 5 of 11 | 9.9% | $373.8M | $3.76B |
| Beatrice, NE (6 branches) | 1 of 9 | 34.1% | $305.1M | $894.7M |
| Lincoln, NE (3 branches) | 12 of 33 | 1.8% | $284.4M | $16.14B |
| Lexington, NE (3 branches) | 7 of 11 | 4.8% | $75.2M | $1.58B |
| Scottsbluff, NE (2 branches) | 5 of 8 | 3.9% | $48.9M | $1.27B |
| Norfolk, NE (1 branch) | 17 of 18 | 0.5% | $15.9M | $3.01B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Rapid City Branch | Rapid City, SD | 57702 | $332.6M |
| Security First Bank (main office) | Lincoln, NE | 68516 | $247.6M |
| Beatrice Branch | Beatrice, NE | 68310 | $220.7M |
| Rushville Branch | Rushville, NE | 69360 | $178.6M |
| Valentine Branch | Valentine, NE | 69201 | $136.7M |
| Sidney Branch | Sidney, NE | 69162 | $133.4M |
| Martin Branch | Martin, SD | 57551 | $94.5M |
| Hay Springs Branch | Hay Springs, NE | 69347 | $54.9M |
| Security First Bank, Chadron Branch | Chadron, NE | 69337 | $53.8M |
| Security First Bank - Buffalo Crossing Branch | Rapid City, SD | 57701 | $41.2M |
| Atkinson Branch | Atkinson, NE | 68713 | $39.2M |
| Cozad Branch | Cozad, NE | 69130 | $34.4M |
| Harrison Branch | Harrison, NE | 69346 | $32.3M |
| Burwell Branch | Burwell, NE | 68823 | $31.8M |
| Thedford Branch | Thedford, NE | 69166 | $29.9M |
| Callaway Branch | Callaway, NE | 68825 | $29.0M |
| Ord Branch | Ord, NE | 68862 | $28.4M |
| Blue Springs Branch | Blue Springs, NE | 68318 | $28.4M |
| North 6th Street Branch | Beatrice, NE | 68310 | $27.6M |
| O'Neill Branch | O'Neill, NE | 68763 | $26.1M |
| Crawford Branch | Crawford, NE | 69339 | $24.6M |
| Broken Bow Branch | Broken Bow, NE | 68822 | $23.8M |
| Elwood Branch | Elwood, NE | 68937 | $22.0M |
| Garret Lane Branch | Lincoln, NE | 68512 | $19.2M |
| Overton Branch | Overton, NE | 68863 | $18.8M |
| Lincoln Branch | Lincoln, NE | 68505 | $17.6M |
| Scottsbluff Branch | Scottsbluff, NE | 69361 | $16.6M |
| Norfolk Branch | Norfolk, NE | 68701 | $15.9M |
| Clatonia Branch | Clatonia, NE | 68328 | $15.2M |
| Cortland Branch | Cortland, NE | 68331 | $13.2M |
| Cody Branch | Cody, NE | 69211 | $13.1M |
| Alliance Branch | Alliance, NE | 69301 | $11.7M |
| Mccook Branch | Mccook, NE | 69001 | $10.0M |
| Merriman Branch | Merriman, NE | 69218 | $8.0M |
| Auto Bank Branch | Beatrice, NE | 68310 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 5415) · FFIEC NIC profile (RSSD 276850)