Skip to content

Credit union · NCUA insured

Norstar Federal Credit Union

A $77.9M credit union headquartered in Britton, SD, with 2,810 members and 1 branch in South Dakota. Best rates: CDs 3.78% and savings 1.75% APY.

Norstar Federal Credit Union Carrot Score

82

Carrot Score

Higher than 60% of U.S. banks and credit unions

LowestMiddleHighest

#23 of 47 in South DakotaHow the score works →

Deposits are federally insured by the NCUA up to $250,000 per depositor.

About Norstar Federal Credit Union

Founded in 1942, Norstar Federal Credit Union is headquartered in Britton, South Dakota.

The credit union serves over 2,700 members across Marshall, Day, and Sargent counties, and eastern Brown County.

Headquarters
515 Vander Horck St, Britton, SD 57430
NCUA charter
4951
Visit institution website ↗

Who can join

This may be incomplete or out of date, so check with the credit union before you apply.

Where you live or work

  • Anyone who lives, works, worships, or attends school in Marshall County, Day County, Brown County east of County Road 16 in South Dakota, or Sargent County, North Dakota is eligible for membership.

Family and household

  • Immediate family members of current members are eligible for membership.

Cost to join

  • Membership requires maintaining at least a $5.00 balance (one share) in a Share Savings account with an initial $5.00 minimum deposit.

1 branch in South Dakota

Loading map…

Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.