The Macquarie Club Dubbo wants to increase its gaming machine threshold from 13 to 21.

It would bring the total number of gaming machines in Dubbo to 447.

But Dubbo Regional Council is against the increase.

In their Local Impact Assessment, the club says Dubbo's growing population and tourism has resulted in a boost to its patronage.

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"Consequently, at times the current number of gaming machines is insufficient to meet player demand," the statement says.

"This results in the club failing to meet the reasonable expectations of those of its members and visitors who wish to play, and that in turn effects its business. The GMT increase sought would assist the club in meeting player demand and should improve its profitability, thereby enabling it to finance further improvements to its premises and/or its operations and also contribute more to the local economy."

Council made the decision to oppose the gaming machine increase at the council meeting on Monday night.

A submission will be made to the Independent Liquor and Gaming Authority stating council opposes the rise.

Councillor Jane Diffey said there was a precedent previously set by council because they had previously rejected the installation of poker machines at another establishment in town.

"I think it's important we carry that through and move down the same path," she said.

In the report on the poker machine increase, council's manager community services John Watts said there were widespread impacts from gambling.

"A NSW Gambling Survey undertaken in 2019 showed that NSW has the second highest per capita gambling losses in Australia and the highest per capita gaming machine losses in Australia. In NSW, one per cent of adults are problem gamblers and a further 2.8 per cent are moderate-risk gamblers," he said.

"It as been acknowledged that most gamblers do so for relaxation and social purposes. However, based on the figures above, accompanied with anecdotal community advice and from gambling support services, the impacts for those who have problems with gambling are widespread, with repercussions across work and family."