| # | Name | Location | Assets | Members | ROA |
|---|---|---|---|---|---|
| 1 | GreenState Credit Union | North Liberty, IA | $10.95B | 359,136 | 0.54% |
| 2 | Veridian Credit Union | Waterloo, IA | $9.15B | 379,914 | 1.60% |
| 3 | Dupaco Community Credit Union | Dubuque, IA | $3.55B | 182,155 | 1.12% |
| 4 | Collins Community Credit Union | Cedar Rapids, IA | $1.53B | 81,267 | -0.17% |
| 5 | Dutrac Community Credit Union | Dubuque, IA | $1.26B | 54,708 | 0.96% |
| 6 | Community 1St Credit Union | Ottumwa, IA | $1.10B | 72,622 | 0.31% |
| 7 | Community Choice Credit Union | Johnston, IA | $922.9M | 53,683 | 1.53% |
| 8 | Corda Credit Union | Cedar Rapids, IA | $776.3M | 27,247 | 0.67% |
| 9 | Greater Iowa Credit Union | Ames, IA | $715.1M | 38,111 | 0.76% |
| 10 |
| Ascentra Credit Union |
| Bettendorf, IA |
| $596.0M |
| 43,026 |
| 0.53% |
| 11 | Premier Credit Union | Des Moines, IA | $382.9M | 16,665 | 0.35% |
| 12 | Members1St Community Credit Union | Marshalltown, IA | $311.1M | 17,730 | 0.42% |
| 13 | Citizens Community Credit Union | Fort Dodge, IA | $253.6M | 14,050 | 1.69% |
| 14 | The Family Credit Union | Davenport, IA | $253.3M | 19,488 | 0.52% |
| 15 | Cedar Falls Community Credit Union | Cedar Falls, IA | $251.7M | 8,645 | 1.20% |
| 16 | Financial Plus Credit Union | West Des Moines, IA | $241.7M | 11,507 | 1.03% |
| 17 | Employees Credit Union | Estherville, IA | $203.4M | 9,171 | 1.61% |
| 18 | Aim Credit Union | Dubuque, IA | $201.2M | 14,237 | 1.05% |
| 19 | First Federal Credit Union | Hiawatha, IA | $174.5M | 9,947 | -0.48% |
| 20 | 1St Gateway Credit Union | Camanche, IA | $170.9M | 10,396 | 0.84% |
| 21 | Cent Credit Union | Mason City, IA | $166.0M | 11,556 | 0.89% |
| 22 | Telco Triad Community Credit Union | Sioux City, IA | $160.5M | 16,283 | 0.77% |
| 23 | Affinity Credit Union | Des Moines, IA | $154.3M | 12,393 | 0.65% |
| 24 | North Star Community Credit Union | Cherokee, IA | $149.4M | 12,200 | -0.02% |
| 25 | North Iowa Community Credit Union | Mason City, IA | $127.8M | 11,338 | 0.97% |
| 26 | River Valley Credit Union | Ames, IA | $119.3M | 6,797 | 0.86% |
| 27 | Advantage Credit Union | Newton, IA | $106.5M | 7,151 | 1.06% |
| 28 | Serve Credit Union | Des Moines, IA | $101.3M | 4,987 | 1.44% |
| 29 | Midland Credit Union | Urbandale, IA | $101.2M | 6,527 | 1.08% |
| 30 | Members Community Credit Union | Muscatine, IA | $99.2M | 8,044 | 1.21% |
| 31 | Journey Credit Union | Des Moines, IA | $97.6M | 6,472 | 1.56% |
| 32 | First Class Community Credit Union | West Des Moines, IA | $95.8M | 6,819 | 1.22% |
| 33 | Peoples Credit Union | Webster City, IA | $91.4M | 5,593 | 0.22% |
| 34 | Power Co-Op Employees Credit Union | Humboldt, IA | $85.6M | 2,888 | 1.25% |
| 35 | Des Moines Metro Credit Union | Des Moines, IA | $77.7M | 7,053 | 1.11% |
| 36 | Lennox Employees Credit Union | Marshalltown, IA | $73.4M | 6,719 | -0.04% |
| 37 | Metco Credit Union | Cedar Rapids, IA | $58.7M | 3,291 | 2.65% |
| 38 | 5 Star Community Credit Union | Mount Pleasant, IA | $54.5M | 6,752 | 0.51% |
| 39 | Capitol View Credit Union | Des Moines, IA | $46.1M | 1,760 | 0.27% |
| 40 | Sioux Valley Community Credit Union | Sioux City, IA | $43.6M | 3,819 | -0.02% |
| 41 | Fort Dodge Family Credit Union | Fort Dodge, IA | $41.5M | 3,515 | 0.58% |
| 42 | Holy Ghost Parish Credit Union | Dubuque, IA | $34.9M | 853 | 0.27% |
| 43 | Meridian Credit Union | Ottumwa, IA | $34.4M | 2,115 | 1.02% |
| 44 | River Community Credit Union | Ottumwa, IA | $30.4M | 3,566 | 1.41% |
| 45 | Iowa Heartland Credit Union | Mason City, IA | $30.3M | 3,247 | -0.37% |
| 46 | Casebine Community Credit Union | Burlington, IA | $29.1M | 3,218 | 1.51% |
| 47 | Aegis Credit Union | Clinton, IA | $27.3M | 3,760 | 1.78% |
| 48 | Family Community Credit Union | Charles City, IA | $26.3M | 2,025 | 0.88% |
| 49 | Unite Credit Union | Cedar Falls, IA | $23.6M | 1,573 | -0.23% |
| 50 | Quaker Oats Credit Union | Cedar Rapids, IA | $13.3M | 1,280 | 1.32% |
| 51 | North Western Employees Credit Union | Council Bluffs, IA | $10.4M | 1,202 | 1.19% |
| 52 | Industrial Employees Credit Union | Centerville, IA | $9.2M | 846 | 1.00% |
| 53 | Teamsters Local #238 Credit Union | Cedar Rapids, IA | $7.6M | 1,720 | -0.51% |
| 54 | Ace Credit Union | Mason City, IA | $7.5M | 762 | 0.81% |
| 55 | Du Pont Employees Credit Union | Fort Madison, IA | $6.8M | 629 | 1.44% |
| 56 | Allen Hospital Personnel Credit Union | Waterloo, IA | $6.0M | 844 | 0.52% |
| 57 | Polk County Credit Union | Des Moines, IA | $5.5M | 639 | 2.69% |
| 58 | Burlington Municipal Employees Credit Union | Burlington, IA | $4.7M | 647 | 1.13% |
| 59 | Gas & Electric Employees Credit Union | Mason City, IA | $4.5M | 366 | 1.95% |
| 60 | Dubuque Postal Employees Credit Union | Dubuque, IA | $4.3M | 302 | 1.01% |
| 61 | Des Moines Fire Department Credit Union | Des Moines, IA | $3.4M | 923 | 0.70% |
| 62 | Lee County Credit Union | Keokuk, IA | $3.2M | 534 | 1.28% |
| 63 | Waterloo Firemen's Credit Union | Waterloo, IA | $2.9M | 328 | 2.17% |
| 64 | S E C U Credit Union | Keokuk, IA | $1.8M | 723 | 2.37% |
| 65 | St. Athanasius Credit Union | Jesup, IA | $441K | 203 | 1.73% |
| 66 | St. Ludmila S Credit Union | Cedar Rapids, IA | $372K | 99 | 1.22% |