have these films had any effect on the tourist population?
Yes, it has improved number of tourists in New Zealand.
The Lord of the Rings (film series)
 Tourism in New Zealand is up, possibly due to its exposure in the series, with the country's tourism industry waking up to an audience's familiarity.

where did the film lord of the rings All the three films were shot in New Zealand. when was the first one released? On 10 December 2001. It was released on home video a year later. who produced this series? New Line Cinema and WingNut Films.
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The Lord of the Rings (film series) [SEP] Effects on the film industry and tourism
In 2004, Howard Shore toured with "The Lord of the Rings Symphony", playing two hours of the score. Along with the "Harry Potter" films, the series has renewed interest in the fantasy film genre. Tourism in New Zealand is up, possibly due to its exposure in the series, with the country's tourism industry waking up to an audience's familiarity. In December 2002, opened at the Museum of New Zealand Te Papa Tongarewa in Wellington. As of 2007, the exhibition has travelled to seven other cities around the world. A musical adaptation of the book was launched in Toronto, Canada, in 2006, but it closed after mostly poor reviews.