In the 62 precincts in the Almanac area, presidential candidate Hillary Clinton won 72 percent of the Democratic vote in the June 7 presidential primary, according to data provided by the San Mateo County Elections Office.
Of the 9,054 votes cast for Democratic candidates, Ms. Clinton received 6,521 of them. The other Democratic candidate, Vermont Sen. Bernie Sanders, received 2,533 votes, or 28 percent, considerably lower than his 39 percent take across San Mateo County.
Donald Trump, who has been unopposed in primary elections for the presidency since early May, won 58 percent of the Republican vote (1,748 of 3,040 votes) in the Almanac area. (Mr. Trump did better in San Mateo County as a whole, winning 67 percent of the Republican votes.)
Filling in the rest of the Republican field were Ohio Gov. John Kasich with 34 percent in the Almanac area, Texas Sen. Ted Cruz with 5.5 percent and retired neurosurgeon Ben Carson with 2 percent. Scattered among the precincts throughout the county were votes for former Virginia Republican governor Jim Gilmore.
Ms. Clinton did less well countywide, winning 60 percent of the Democratic vote, compared with 39 percent for Sen. Sanders. Five other Democratic candidates split the remaining 1 percent.
The Democratic party, in this primary election, accepted ballots from voters registered as "decline-to-state," but those voters had to request a Democratic party ballot. In the Republican primary, by contrast, only registered Republicans could vote.
In Atherton, Ms. Clinton received 653 Democratic votes compared with 411 Republican votes for Mr. Trump.
Of the seven precincts in Atherton, election results show Ms. Clinton with significantly more votes than Mr. Trump in all but one: West Atherton between Atherton Avenue and the border of Redwood City, where Mr. Trump had five more votes than Ms. Clinton.
In Woodside, Ms. Clinton received 724 Democratic votes to Mr. Trump's 352 Republican votes. Ms. Clinton's vote totals were significantly higher than Mr. Trump's in all but two of Woodside's eight precincts, and there the margins were one or two votes.
Portola Valley voters showed strong support for Ms. Clinton, casting 904 votes compared with 245 for Mr. Trump. In all Portola Valley three precincts, Mr. Trump's totals never got past double digits.
Ms. Clinton trounced Mr. Trump in Menlo Park, with 3,939 votes to his 703. In a rough calculation, Mr. Trump did not appear to get totals that came within 25 percent of Ms. Clinton's totals in any of Menlo Park's 24 precincts.
Mr. Sanders had his best showing in Menlo Park, with 1,666 votes, which was 30 percent of the Democratic vote total.