The vote was held Tuesday amid frustration over the slow pace of reconstruction after October's earthquake that killed about 80,000 people.
The next administration, while largely subordinate to Pakistan's national government, will face the challenge of rebuilding the devastated region.
The ruling Muslim Conference won 20 of the 41 contested constituencies, said Mohammed Naseem Sheikh, the chief election commissioner of Pakistan-held Kashmir, citing unofficial results from polling stations, the AP reorts.
The commission still has to verify the results, which are to be officially announced Thursday, he said.
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