By Parija Kavilanz @CNNMoney August 19, 2015: 1:44 PM ET
9. Boulder, Colo.
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Boulder's thriving tech community is launching many home-grown startups and attracting others from around the country.
The city is also dense with business accelerators to support new ventures.
Still, some entrepreneurs said the city has can be challenging for businesses, primarily with taxes, regulations and difficulty in hiring.
"The cost of living and business expenses are ridiculously high," said one respondent.
First published August 19, 2015: 1:44 PM ET
Methodology: Thumbtack polled its users in December 2014; 18,000 small businesses in its database of 150,000 active monthly users responded. Entrepreneurs from all 50 states replied, but the ranking excluded 14 states that didn't meet the threshold of receiving at least 50 responses.
