Size ranking · South Dakota · NCUA 5300 data as of Q2 2026

Largest Credit Unions in South Dakota by Total Assets

Credit unions are ranked by headquarters state: this list covers the 33 credit unions headquartered in South Dakota, by total assets. Black Hills Federal Credit Union is the largest, with $2.38B in total assets and 109,705 members as of June 30, 2026, from its NCUA 5300 call report.

Largest in South Dakota: Black Hills Federal Credit Union
Its total assets: $2.38B
Credit unions in South Dakota: 33
Their combined assets: $6.18B

Every credit union in South Dakota, by assets

Select a column heading to sort. Ranked within South Dakota by total assets, Q2 2026.

Credit unions headquartered in South Dakota ranked by total assets, Q2 2026, with city, members and net worth ratio.

1	Black Hills Federal Credit Union	Rapid City	$2.38B	109,705	10.56%
2	Dakotaland Federal Credit Union	Huron	$751.6M	42,571	10.87%
3	Levo Federal Credit Union	Sioux Falls	$516.0M	32,939	11.50%
4	Voyage Federal Credit Union	Sioux Falls	$285.3M	19,806	10.03%
5	Highmark Federal Credit Union	Rapid City	$257.8M	13,653	7.67%
6	Service First Federal Credit Union	Sioux Falls	$209.7M	16,365	9.29%
7	Bluestone Federal Credit Union	Sioux Falls	$205.6M	11,866	9.57%
8	Northern Hills Federal Credit Union	Sturgis	$204.9M	13,034	9.57%
9	Area Federal Credit Union	Aberdeen	$199.9M	11,828	17.10%
10	Sentinel Federal Credit Union	Ellsworth Afb	$199.3M	10,004	10.83%
11	Aspen Federal Credit Union	Rapid City	$173.0M	8,449	8.44%
12	Explorers Credit Union	Yankton	$111.5M	9,074	9.63%
13	Dakota Plains Federal Credit Union	Lemmon	$84.4M	4,930	9.13%
14	Norstar Federal Credit Union	Britton	$78.6M	2,828	15.26%
15	Healthcare Plus Federal Credit Union	Aberdeen	$70.4M	5,037	8.54%
16	Oahe Federal Credit Union	Pierre	$45.1M	3,492	16.23%
17	Dakota Star Federal Credit Union	Rapid City	$44.9M	3,023	9.00%
18	Fort Randall Federal Credit Union	Wagner	$44.2M	3,462	17.52%
19	East River Federal Credit Union	Madison	$41.9M	3,184	11.12%
20	M O Federal Credit Union	Huron	$40.9M	1,746	14.12%
21	Sioux Valley Cooperative Federal Credit Union	Watertown	$40.7M	3,410	20.64%
22	Avanti Federal Credit Union	Watertown	$31.8M	2,967	11.29%
23	Rushmore Electric Federal Credit Union	Rapid City	$29.3M	1,430	10.00%
24	Consumers Federal Credit Union	Gregory	$21.4M	1,627	9.65%
25	Lakota Federal Credit Union	Kyle	$19.7M	4,128	22.07%
26	Coteau Valley Federal Credit Union	Sisseton	$18.8M	2,232	9.99%
27	Huron Area Education Federal Credit Union	Huron	$18.8M	864	12.44%
28	Palace City Federal Credit Union	Mitchell	$16.5M	1,556	9.92%
29	Minuteman Federal Credit Union	Rapid City	$15.2M	1,155	14.33%
30	Dacotah Federal Credit Union	Rapid City	$11.1M	827	10.07%
31	Huron C&NW Federal Credit Union	Huron	$5.1M	495	17.44%
32	HB Telco Federal Credit Union	Huron	$4.9M	791	8.59%
33	Sisseton-Wahpeton Federal Credit Union	Agency Village	$4.9M	1,191	41.30%

Frequently asked questions

What is the largest credit union in South Dakota?

Black Hills Federal Credit Union is the largest credit union headquartered in South Dakota by total assets, with $2.38B and 109,705 members as of June 30, 2026, according to its NCUA 5300 call report. Dakotaland Federal Credit Union ranks second with $751.6M.

How many credit unions are in South Dakota?

33 active federally insured credit unions headquartered in South Dakota filed an NCUA 5300 call report for Q2 2026, with combined total assets of $6.18B. A credit union based in another state can still have branches and members in South Dakota.

How are credit unions in South Dakota ranked?

Each credit union is placed in the state of its headquarters and ranked by total assets (NCUA 5300 Account 010) from its latest quarterly call report. A credit union that has merged or closed since it filed is excluded.

More in South Dakota

South Dakota credit union directory Largest banks in South Dakota List of credit unions by asset size

Credit unions are insured by the National Credit Union Share Insurance Fund, not the FDIC. Search every one in the credit union directory.