Who owns the computers:

5 elementary school
19 middle school
130 high school
20 high school teachers (laptops)
15 local government
6 water treatment plant
1 streets department
80 local businesses
25 technical/training schools
20 Among 900 people 60+ (500-600 households?)
400 Among 2000 people 18-59 (1200-1400 households? 26%-30% penetration assuming 1.1 computers per computer owning household)
29 Not elsewhere accounted for (I like round numbers)
750

[600 children under 18 assumed]

160 486 (1989)
350 Pentium (1993)
160 Pentium II (1997)
10 Celeron (1999)
40 Pentium III (1999)
10 Macs (Mac II and later 680x0 based)
20 Macs (PowerPC based)
750 Computers - all processors

440 Private
180 Education
100 Commercial
30 Government
750 All Hands

150 "scrap" computers of the varieties Amiga, Apple ][, IBM-XT to 386, Tandy Radio Shack, CP/M, Atari, Commodore, etc. in attics and basements.

From Charles Prael:
4 802.11b routers, all privately held and not available for pet projects.
No other wireless networking present in town.