SACRAMENTO, Calif. — The number of inmates in California’s county jails has fallen significantly since peaking in 2007, but new statistics show a wide disparity still exists among locales, with liberal enclaves such as Marin and San Francisco far less likely to lock up criminals than conservative places such as Kings, Lassen and Tuolumne counties. The different incarceration rates outlined in the data reflect policies established by Gov. Jerry Brown and others to let California’s 58 counties tailor …