The Only Use of

proportion

in

To Kill a Mockingbird

Maycomb's proportion of professional people ran high: one went there to have his teeth pulled, his wagon fixed, his heart listened to, his money deposited, his soul saved, his mules vetted.
p. 148.7

proportion = share or percentage

Definitions:

(1) (proportion as in: the proportion of females)
relative amount, quantity, or collection
The exact meaning of this sense of proportion is subject to its context. For example:
- "The female proportion is 50%." -- percentage or share
- "The proportion of oil to vinegar." -- ratio (quantity of something relative to the quantity of something else)
- "In the survey, the female proportion said..." -- group
(2) (proportion as in: a problem of large proportion)
size or dimension
(3) (proportion as in: respond in proportion)
appropriate in size, amount, or degree