About 45,000 people applied for health-insurance plans from Blue Cross of Idaho through the state's insurance exchange, Your Health Idaho, over the past six months.
The insurer announced its enrollment numbers Thursday.
Your Health Idaho is expected to release total enrollment for exchange plans soon. Open enrollment ended March 31.
Four companies Blue Cross, SelectHealth, PacificSource and the Regence BlueShield of Idaho sister company BridgeSpan sold plans on the exchange.