The population of Menlo Park, California on December 15th 2011 is approximately 32,062. (Extrapolated from a 2000 US census population of 30,785 and a population of 32,026 on July 30th 2011.)
38 miles taking this route: Take I-880 SOUTH from Berkeley to the DUNBARTON BR, which is SR-84, at EXIT 21. Turn right off the exit ramp onto SR-84 WEST; take SR-84 WEST to Menlo Park.