TABLE 2—

Observed Tobacco Retailer, Population, and Retailer Density, by Income Status: Philadelphia, PA, 2012–2019

	2012	2013	2014	2015	2016	2017	2018	2019
Total no. of retailers
Citywide	2746	3122	3209	3176	3231	3025	2725	2572
Low-income districts	1480	1693	1745	1768	1820	1698	1515	1439
Not low-income districts	1266	1429	1464	1408	1411	1327	1210	1133
Retailer density, per 1000 daytime residents
Citywide	1.68	1.91	1.96	1.94	1.97	1.85	1.66	1.57
Low-income districts	2.25	2.57	2.65	2.68	2.76	2.58	2.3	2.19
Not-low-income districts	1.29	1.46	1.49	1.44	1.44	1.35	1.24	1.16
Total no. of school retailer exposures
Citywide	1356	1533	1588	1598	1617	1495	1337	1258
Low-income districts	916	1036	1082	1106	1133	1051	942	895
Not low-income districts	440	497	506	492	484	444	395	363
Average no. of retailers per school
Citywide	2.20	2.48	2.57	2.59	2.62	2.42	2.17	2.04
Low-income districts	2.59	2.93	3.07	3.13	3.21	2.98	2.67	2.54
Not-low-income districts	1.67	1.88	1.92	1.86	1.83	1.68	1.50	1.38

Note. We calculated daytime population using 2015 American Community Survey 5-year estimates of citywide (1 637 936), low-income (658 566), and not-low-income (979 370) population. Low income was defined as living in a planning district in which more than 25% of residents were at or below the federal poverty level; for schools, it was defined as being in a zip code with more than 25% of residents at or below the federal poverty level. School zone was defined as within 500 ft of school property. School retailer exposures are counted by including retailers near multiple schools (n = 263 in 2016) for each school exposure.