The (San Francisco) Bay Area Center For Voting Research itemized highly conservative and highly liberal cities nationwide. This was done by how they voted, either republican or liberal in the 2004 presidential election.
Also, votes for the Libertarian and Constitution Parties were considered conservative. Votes for the Green, Peace and Freedom Parties were counted as liberal.
The top 15 cities of each are listed below… with their violent crime rates. Note, the national average is 4 violent crimes per 1000 residents.
Top Liberal:
Detroit, Michigan – 24 violent crimes per 1,000 residents
Gary, Indiana – 15 violent crimes per 1,000 residents
Berkeley, California – 5 violent crimes per 1,000 residents
Washington, DC – 13 violent crimes per 1,000 residents
Oakland, California – 16 violent crimes per 1,000 residents
Inglewood, California – 8 violent crimes per 1,000 residents
Newark, New Jersey – 11 violent crimes per 1,000 residents
Cambridge, Massachusetts – 5 violent crimes per 1,000 residents
San Francisco, California – 7 violent crimes per 1,000 residents
Flint, Michigan – 24 violent crimes per 1,000 residents
Cleveland, Ohio – 14 violent crimes per 1,000 residents
Hartford, Connecticut – 13 violent crimes per 1,000 residents
Paterson, New Jersey – 11 violent crimes per 1,000 residents
Baltimore, Maryland – 15 violent crimes per 1,000 residents
New Haven, Connecticut – 15 violent crimes per 1,000 residents
Top Conservative:
Provo, Utah – 2 violent crimes per 1,000 residents
Lubbock, Texas – 9 violent crimes per 1,000 residents
Abilene, Texas – 5 violent crimes per 1,000 residents
Hialeah, Florida – 4 violent crimes per 1,000 residents
Plano, Texas – 2 violent crimes per 1,000 residents
Colorado Springs, Colorado – 5 violent crimes per 1,000 residents
Gilbert, Arizona – 1 violent crime per 1,000 residents
Bakersfield, California – 6 violent crimes per 1,000 residents
Lafayette, Louisiana – 8 violent crimes per 1,000 residents
Orange, California – 1 violent crime per 1,000 residents
Escondido, California – 4 violent crimes per 1,000 residents
Allentown, Pennsylvania – 6 violent crimes per 1,000 residents
Mesa, Arizona – 4 violent crimes per 1,000 residents
Arlington, Texas – 5 violent crimes per 1,000 residents
Peoria, Arizona – 2 violent crimes per 1,000 residents