sentences:  By 2011, Whitchurch-Stouffville's per capita library costs were $23, the lowest of sixteen Ontario towns in its population category (average $44).In the same year (2011), the library found it necessary to cover basic library operating costs from the proceeds from its annual community book sale.The library will serve a projected a town population of 42,343 in 2013; 53,321 in 2021; and 62,321 in 2026.