Im into researching wealthy suburbs, from sophisticated urban cities all the way down to the small beachside villages or semirural towns.
Anyhow, both areas have lots...
Census 'Places' in each CSA with an Average Family Income of $150,000+, 2015 Census 5-year estimates.
Boston CSA:
Place/Average Family Income/Population
Dover, MA................$294,935.......2,441
Wellesley, MA..........$283,867....28,832
Hingham, MA..........$224,854.......5,416
Lexington, MA.........$224,123.....32,700
Winchester, MA......$219,963......22,075
South Duxbury, MA$217,413.......3,594
Newton, MA............$216,544.....87,685
Watch Hill, RI..........$206,018..........184
Needham, MA.........$205,957.....29,583
Topsfield, MA..........$198,210.......3,029
Duxbury, MA............$191,968.......1,375
Marion Center, MA.$190,996.......1,383
Cordaville, MA.........$187,785.......2,594
Belmont, MA............$185,744.....25,337
Brookline, MA..........$185,726.....59,132
Cochituate, MA.......$184,335........6,896
Medfield, MA............$175,877.......6,322
Boxford, MA.............$175,322.......2,366
Marblehead, MA......$169,532.....20,270
Monomoscoy, MA...$168,772.........169
Clayville, RI................$166,042........152
Sharon, MA...............$167,765......5,932
Milton, MA................$165,536.....27,303
Foster Center, RI......$164,007..........325
Swampscott, MA.....$163,269.....14,036
West Concord, MA..$162,824.......7,320
North Scituate, MA.$161,624.......5,077
Chatham, MA...........$161,106.......1,516
Amherst, NH............$160,455..........558
Lynnfield, MA...........$158,782......12,270
Reading, MA.............$155,832.....25,357
Sturbridge, MA.........$155,749.......2,515
Scituate, MA.............$154,413.......5,335
Essex, MA.................$153,868.......1,613
Groton, MA...............$152,654.......1,081
Andover, MA.............$152,416.......8,783
Cambridge, MA........$151,584...107,916
Franklin Town, MA..$151,333......32,731
Rockport, MA...........$150,149........4,846
Arlington, MA...........$150,324......44,128
Bay Area CSA:
Place/Average Family Income/Population
Atherton, CA............$493,794.........7,081
Portola Valley, CA...$442,987.........4,515
Woodside, CA..........$441,546.........5,579
Hillsborough, CA.....$391,914.......11,255
Los Altos Hills, CA..$368,066.........8,314
Belvedere, CA...........$354,010.........1,952
Monte Sereno, CA...$350,140.........3,508
Ladera, CA............ ...$341,864.........1,461
Kentfield, CA............$341,577.........6,813
Piedmont, CA..........$327,035.......11,099
Diablo, CA................$301,234............818
Ross, CA...................$299,042........2,306
Tiburon, CA..............$291,099........9,158
Norris Canyon, CA..$289,336.........1,003
Los Altos, CA...........$281,742......30,075
Sleepy Hollow, CA...$277,845........2,489
Orinda, CA................$276,272......18,703
Loyola, CA................$278,386........3,579
West Menlo Park, CA$269,982......5,479
Mill Valley, CA..........$266,290......14,293
North Gate, CA........$255,561...........534
Alamo, CA................$252,001.......16,301
Emerald Lake Hills, CA$251,130...4,495
Sausalito, CA...........$247,482........7,094
Saratoga, CA............$246,142......30,817
Reliez Valley, CA......$240,112........3,656
Menlo Park, CA.......$236,508......33,064
Blackhawk, CA .......$235,430.........9,304
Palo Alto, CA...........$233,056.......66,478
Stanford, CA............$226,911......14,213
Lafayette, CA...........$222,220......25,082
Moraga, CA..............$217,317.......16,787
Tamalpais, CA.........$216,875.......10,542
Camino Tassajara, CA.$216,728...2,247
Temelec, CA.............$213,627........1,543
Los Gatos, CA..........$213,079......30,398
San Miguel, CA........$209,980........3,366
Danville, CA..............$206,548......43,410
San Carlos, CA.........$205,228......29,454
Bodega Bay, CA.......$205,199...........212
Highlands, CA..........$204,364........4,217
Alto, CA.....................$203,628...........735
Silverado Resort, CA$202,534..........893
Shell Ridge, CA....... $197,447........1,039
Strawberry, CA.........$194,664........5,901
Kensington, CA.......$192,770.........5,595
Corte Madera, CA...$190,849.......19,593
Burlingame, CA.......$189,965.......29,941
Cupertino, CA..........$189,517.......60,171
Belmont, CA.............$188,789.......26,766
Larkspur, CA............$188,267.......12,219
Kenwood, CA...........$185,887.........1,306
Acalanes Ridge, CA$184,471.........1,139
Black Pt-Green Pt,CA$183,570......1,250
Lexington Hills, CA.$182,168.........2,581
Stinson Beach, CA..$176,979...........462
Pasatiempo, CA......$173,362.........1,210
Lucas Valley, CA.....$170,872.........6,250
El Granada, CA........$168,916.........5,681
San Ramon, CA.......$167,894.......74,571
Clayton, CA..............$166,678.......11,947
Pleasanton, CA.......$166,459.......75,009
Castle Hill, CA.........$165,779.........1,204
Foster City, CA.........$165,356......32,377
Green Valley, CA......$165,232........1,298
Muir Beach, CA........$163,866...........275
San Anselmo, CA....$163,804......12,566
Occidental, CA.........$163,801........1,159
Lompico, CA............$163,167...........488
Fruitdale, CA............$161,869...........981
Fairfax, CA...............$161,632.........7,514
Saranap, CA.............$161,124.........5,702
Mounain View, CA..$161,039.......77,973
Dublin, CA................$155,439.......52,063
Bolinas, CA..............$154,311.........1,358
East Foothills, CA...$154,231.........6,437
Berkeley, CA.............$153,712....117,384
Peters, CA................$153,583............440
Scotts Valley, CA.....$152,936......11,780
Half Moon Bay, CA.$152,405.......12,052
Moss Beach, CA.....$151,559.........3,704
Allendale, CA...........$150,468.........1,528
Tres Pinos, CA.........$150,088...........472
The next release comes out next month. I recall a few years back when I compiled just $200K+, New York had well over 100 such places.