Credit Cards · Rapid City, South Dakota

Best Credit Union Credit Card Rates in Rapid City, South Dakota

6 credit unions in Rapid City report credit card APRs to the NCUA. Rates range from 7.00% to 10.50%.

Updated Q1 2026 · NCUA Call Report data

6

CUs Reporting Rates

7.00%

Lowest Card APR

8.97%

City Average APR

Credit Card APRs — Rapid City, South Dakota

6 credit unions sorted by APR

#Credit UnionCard APRPersonal Loan APR
1ASPEN

★ 4.1 · 42 reviews

7.00%10.75%
2DAKOTA STAR

★ 4.3 · 7 reviews

8.50%9.90%
3DACOTAH

★ 4.4 · 14 reviews

8.90%12.30%
4BLACK HILLS

★ 2.5 · 64 reviews

8.90%11.00%
5HIGHMARK

★ 3.7 · 101 reviews

10.00%15.00%
6RUSHMORE ELECTRIC10.50%13.20%
Rates from NCUA Call Report (5300) filings, updated Q1 2026. Actual rate depends on creditworthiness. ~65% of credit unions report credit card rates.

Lower APR Beats Rewards If You Carry a Balance

On a $3,000 balance, a 10% APR vs. 20% APR saves $300/year in interest. A credit union card in Rapid City could save you significantly more than any rewards program.

Join First, Then Apply

You must be a member to get a credit union credit card. Most Rapid City credit unions require just a small savings deposit — often $5 — to open membership before applying for a card.

Browse All Credit Unions in Rapid City

See member reviews, branch locations, and full rate details.