APPENDIX 



293 



IMPEDIMENTS TO RECREATION FOR THE ILL-TO-DO 



Table D. — Distribution of income units {families and single individuals) in the continental United 

 States, by annual income level, 1935-36 



Income level 



$0-$l,000 



$l,000-$2,000 



$2,000-13,000 



$3,000-$5,000 



$5,000 and over 



All income levels 



Table E. — Amount and percent of population of continental United States in six zones according to the 

 cost of a round trip to the nearest national forest for a group of four, based on 1930 census 



Cost zone 



Maximum 



round-trip 



distance 



Population 



Cumulative 

 distribution 



$0-$5 



Miles 



83 

 167 

 250 

 333 

 417 



Number 

 22, 263, 098 

 19,852,038 



20, 896, 973 



21, 123, 643 

 17,071, 563 

 21,567,641 



Percent 

 18 

 16 

 17 

 17 

 14 

 18 



Percent 



18 



$5-$10 . . 



34 



$10— $15 



51 



$15-$20 



68 



$20-$25 



82 





100 









Total 





122,774,956 



100 



100 









Table F. — Relation of percentage of entire United States population to percentage of national-forest 



campers in each income class 



Income class 



$0-$l,000. . . 

 $1,000-52,000 

 $2,000-$3,000 

 $3,000-$5,000 

 $5,000 plus.. 



Total . 



Percentage of 



entire United 



States popula- 



lation i 



47 

 35 

 11 



2V2 



100 



Percentage of 



national-forest 



campers 2 



100 



Ratio of percent- 

 age of United 



States population 



to percentage of 

 national-forest 



campers in each 

 income class 



1 to 0. 4 

 1 to 1.4 

 1 to 2. 

 1 to 1.8 

 1 to 1.2 



1 to 1.0 



1 Based on figures in Consumers' Incomes in the United States; Their Distributions in 1935-36. 



2 Based on 25,486 filled-out questionnaires to heads of families or independent individuals. 



