She pocketed $11,900 for the win, her second of the season. Kim captured the Louisiana Futures Classic in early April.
Smriti Mehra and Ashley Hoagland were part of a four-player group tied for the lead heading into the final round. Both shot rounds of 1-over 73 on Sunday and tied for second place at even-par 216.
Kim collected her first birdie at the par-5 fourth, but gave up that stroke and more. She bogeyed five and six, then parred the seventh and eighth. She birdied the ninth to make the turn at even-par 36.
Kim made it two in a row with a birdie at No. 10. She rattled off back-to-back birdies from the 14th to cruise into the winner's circle as the rest of the field struggled.
Kellee Booth was another second-round co-leader, but she faltered to a 3-over 75 on Sunday. She tied for fourth place with Naree Song (72), Meaghan Francella (72), Tina Miller (73) and Sophia Sheridan (73). The group came in at 2-over-par 218.
The final co-leader from round two was Gina Umeck. She struggled to a 4-over 76 on Sunday and tied for ninth place with Sarah Lynn Johnston (74) and Mollie Fankhauser (74) at plus-3.