As of 4/8/2004 there are about 3,834 Boeing Stearman on the FAA registry. It's impossible to tell how many of those are actually flying, or complete airplanes, but after reviewing the registry it is a good guess that about half of the total are fly-able airplanes.

Some stats:

Total model 75’s registered: 3,834
By Model:


A75L3: 103
75: 704
A75: 248
B75: 364
E75: 535
A75J1: 2
A75L300: 41
A75N1: 1,299
B75N1: 346
D75N1: 55
IB75A: 15
E75N1: 122

• Number of A75N1 (my aircraft's model) with R-985 engine, in Standard AW Category: 98, or 7.54% of all A75N1’s registered.
• Of the 98 R-985 Stearman’s in Standard Cat, 67 were awarded after 1970.
• At least one Stearman with a 450 P&W installed, is on record as not having a P&W 450.
• There are at least 6 Jacobs powered A75N1’s in Standard AWC.
• There are at least 4 R-1340 powered A75N1’s in Standard AWC. How the hell did that happen!
• Easily another 100 A75N1’s have R-985 power, but are in Restricted AWC, and a dozen or so are in Experimental AWC. It's pretty clear that virtually all those currently in Restricted AWC are non-flyers, or just paperwork as there are few or no working Stearman dusters any more.
• A few R-985 powered A75N1’s were placed in Experimental category to show compliance with the FAR’s over 15 years ago. Why weren’t they moved to Standard AWC?
• California (with 196), closely followed by Texas (114) have the most A75N1’s. Next highest number is in Florida with 78, and Illinois with 51.
• I don't know this for a fact, but some evidence points to several Stearman currently in the Restricted category are being flown outside their intended purpose. Boy, is that er, interesting.

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