Via the NY Jewish study in 1958. It's interesting to get the class composition of the population at the time. A comparison of the number in professional/managerial and crafts/operatives occupations in 1950 (Jewish population in brackets). This is from the Census but most of these areas are 40%+ Jewish.
MANHATTAN
Lower East Side (83,000)
Professional/managerial 13.8%
Clerical/sales 20.5%
Crafts/operatives 39.9%
Park West (75,000)
Professional/managerial 33.9%
Clerical/sales 27.5%
Crafts/operatives 17.8%
Washington Heights (73,000)
Professional/managerial 26%
Clerical/sales 32.7%
Crafts/operatives 25.8%
BRONX
West Bronx (138,000)
Professional/managerial 28.8%
Clerical/sales 34.2%
Crafts/operatives 27.6%
Morisania (81,000)
Professional/managerial 11.7%
Clerical/sales 22.2%
Crafts/operatives 43.2%
Fordham (105,000)
Professional/managerial 29.1%
Clerical/sales 35.5%
Crafts/operatives 24.8%
Tremont (46,000)
Professional/managerial 17.3%
Clerical/sales 28.3%
Crafts/operatives 41.3%
Pelham Parkway (59,000)
Professional/managerial 24.4%
Clerical/sales 31.1%
Crafts/operatives 32.6%
BROOKLYN
Williamsburg (67,000)
Professional/managerial 13.5%
Clerical/sales 20%
Crafts/operatives 42.2%
Crown Heights (75,000)
Professional/managerial 27.6%
Clerical/sales 30.7%
Crafts/operatives 26.6%
Borough Park (67,000)
Professional/managerial 27.4%
Clerical/sales 31%
Crafts/operatives 32.4%
Flatbush (122,000)
Professional/managerial 32.3%
Clerical/sales 36%
Crafts/operatives 21.7%
Brownsville (126,000)
Professional/managerial 19%
Clerical/sales 26.7%
Crafts/operatives 42.2%
East New York (74,000)
Professional/managerial 16.7%
Clerical/sales 28%
Crafts/operatives 44.4%
Bensonhurst (85,000)
Professional/managerial 23.8%
Clerical/sales 27.6%
Crafts/operatives 39.5%
Bath Beach (49,000)
Professional/managerial 20.6%
Clerical/sales 24.3%
Crafts/operatives 44.7%
Midwood (55,000)
Professional/managerial 31.8%
Clerical/sales 33.7%
Crafts/operatives 25%
Sheepshead Bay (48,000)
Professional/managerial 28.1%
Clerical/sales 31%
Crafts/operatives 30.1%
Coney Island
Professional/managerial 24.6%
Clerical/sales 28.3%
Crafts/operatives 34.8%
QUEENS
Forest Hills (34,000)
Professional/managerial 46.8%
Clerical/sales 31.5%
Crafts/operatives 13.4%
Source:
https://www.jewishdatabank.org/api/d...ain_Report.pdf
The areas are mapped on page 52 and these stats can be found in Table 2 of the Appendix.