Kerry had the highest dog ownership on a per capita basis.
Figures published by the Department of the Environment show there are 12 dog licences for every 100 people.
The report also revealed Kerry was one of only seven local authorities to initiate prosecution against dog owners who had failed to pay a fine.
Last year 203 on the spot fines were issued in Kerry under the Control of Dogs Act (1986-1992).
117 of those fines were paid.
Kerry was one of only seven local authorities to initiate prosecution against dog owners who had failed to pay a fine.
The 67 prosecutions in Kerry resulted in 17 convictions.
The fine for not having a dog license is €100 and €150 for dog fouling in a public place.
Some breaches of the Control of Dogs Acts 1986 and 1992 can carry a fine of up to €2,500 and / or a prison term.
Only three local authorities made a profit from operating dog warden services last year – in Kerry the cost of running the service exceeded income from fines.
Kerry’s council area had the second highest number of licenses issued in the country, with over 16,000 (16,839) licenses issued last year.
The cost of an annual dog licence is €20 – a lifetime licence can be purchased for €140.