Charter 13121 · Seaford, DE
Tidemark Federal Credit Union
Tidemark Federal Credit Union is a federally chartered credit union in Seaford, Delaware, with $469 million in assets and 22,300 members as of June 30, 2026, according to the call report it filed with NCUA. Its net worth ratio was 14.37%, well above the 7% that NCUA's rules treat as well capitalized.
- Total assets
- $469 million
- +1.5% in a year
- Members
- 22,300
- +1.7% in a year
- Net worth ratio
- 14.37%
- Peer median 11.65%
- Loans 60+ days late
- 0.33%
- Peer median 0.70%
- Loans outstanding
- $253 million
- +11.1% in a year
- Shares and deposits
- $405 million
- +0.4% in a year
- Branches
- 6
- 60 employees
- Opened
- 1959
- Federal charter
How Tidemark Federal Credit Union compares
NCUA groups credit unions by size; Tidemark Federal Credit Union is in the group with $100 million to $500 million (1,061 credit unions). Its net worth ratio of 14.37% is higher than that group's median of 11.65%, and its share of loans 60 or more days past due, 0.33%, is lower than the group median of 0.70%. Loans grew 11.1% over the year to Q2 2026, against a group median of 2.9% growth.
By assets it ranks 3 of 15 credit unions headquartered in Delaware. See all Delaware credit unions.
Five quarters of figures
| Quarter | Assets | Members | Loans | Net worth ratio | 60+ days late |
|---|---|---|---|---|---|
| Q2 2026 | $469 million | 22,300 | $253 million | 14.37% | 0.33% |
| Q1 2026 | $471 million | 22,105 | $249 million | 14.13% | 0.45% |
| Q4 2025 | $463 million | 22,105 | $244 million | 14.29% | 0.54% |
| Q3 2025 | $458 million | 21,969 | $232 million | 14.21% | 0.41% |
| Q2 2025 | $461 million | 21,938 | $228 million | 13.98% | 0.28% |
Assets Members
Who can join
The field of membership is the group a credit union is allowed to serve: people who live or work in an area, employees of certain companies, members of an association, and their families. The credit union's own website has the exact rules. On its call report it estimates its field of membership at about 599,897 potential members. It holds NCUA's low-income designation, which lets it accept non-member deposits and raise secondary capital.
Credit unions that anyone in the US can join
Locations
NCUA's branch file lists 7 sites for Tidemark Federal Credit Union. The branch count in the figures above comes from its call report, which is filed separately, so the two can differ slightly.
- Tidemark Federal Credit Union
140 Aerenson Dr, Milford, DE 19963 - Tidemark Federal Credit Union
24940 John J Williams Hwy, Millsboro, DE 19966 - Tidemark Federal Credit Union
36445 Lighthouse Rd, Selbyville, DE 19975 - Tidemark Federal Credit Union
1305 S Salisbury Blvd, Salisbury, MD 21801 - Tidemark Federal Credit Union (main office)
1941 Bridgeville Hwy, Seaford, DE 19973 - Tidemark Federal Credit Union
34686 Old Postal Ln, Lewes, DE 19958 - Tidemark Federal Credit Union
216 S Washington St, Millsboro, DE 19966
About these numbers
Figures come from the NCUA 5300 Call Report quarterly data for Q2 2026 (quarter ended June 30, 2026), which each credit union files itself. "60+ days late" is delinquent loans of two months or more divided by total loans. Peer medians are computed across every credit union in the same NCUA asset-size group. NCUA call report data · Methodology