Is Boston safer than Lexington?
No. Lexington's crime index is 102 versus 147 in Boston, and its violent crime index is 72 versus 175, using 2024-2025 FBI data.
Lexington is cheaper. Median rent is $1,164 a month versus $2,147 in Boston.
The cost gap between Boston and Lexington is the real story here. Lexington comes in 46% cheaper on typical rent ($2,147 vs $1,164), which over a year adds up to $11,796. Median household income runs $97,344 in Boston and $69,479 in Lexington.
Lexington is not a close call here. It leads on cost of living, safety, and weather by margins that add up in daily life. Boston makes sense if you have a specific reason, a job offer, family, or a neighborhood you already know, but on the numbers alone Lexington is the stronger move.
The rent gap is real but neighborhoods matter. Lexington at $1,164 average has pockets that run $964 and others at $1,564: your actual number depends on which part of the city you land in.