Michigan public libraries

Another post commenting on Chapter 20 of Give Us a Dollar and We’ll Give You Back Four (2012-13)–now available as a $9.99 Kindle ebook or $21.95 paperback with ISBN 978-1481279161 on Amazon, along with the usual Lulu options.

The 382 libraries profiled (three libraries omitted) are distributed fairly typically in terms of expenditures, except that the highest bracket is 4.7% of libraries as compared to 9.8% overall.

Circulation is “bulgy,” with very few libraries at the top and bottom and slightly more libraries in the lower middle brackets; median expenditures consistently rise with circulation per capita. Program attendance is low, with 29% having at least 0.4 attendance per capita (compared to 42% overall).

Libraries by legal service area

LSA Count % Outliers
<700 3 0.8%
700-1,149 6 1.6%
1,150-1,649 5 1.3%
1,650-2,249 11 2.9%
2,250-2,999 16 4.2% 1
3,000-3,999 35 9.2% 1
4,000-5,299 34 8.9%
5,300-6,799 39 10.2%
6,800-8,699 31 8.1% 1
8,700-11,099 36 9.4%
11,100-14,099 32 8.4%
14,100-18,499 27 7.1%
18,500-24,999 21 5.5%
25,000-34,499 25 6.5%
34,500-53,999 21 5.5%
54,000-104,999 22 5.8%
105,000-4.1 mill. 18 4.7%

Circulation per capita and spending per capita

Circulation per capita correlates strongly (0.64) with spending per capita.

Circulation per capita plotted against spending per capita

Circulation per capita (rounded) occurrence by spending category

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