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Open Data and Impact:
Hunger Relief
Phil Pierdomenico
GIS Analyst, Philabundance
@PhilPierdo
February 3, 2015
First… a little bit about me...
Born and raised in
Wilmington, Delaware
I have a long history with
maps...
I proudly describe myself
as a map nerd…
One of my hobbies was to
draw maps BY HAND…
I worked for AAA making
TripTiks…
for 11 years!
...until they closed our
office :(
So I went back to school to learn GIS
GEOGRAPHIC
INFORMATION
SYSTEMS
B.A. in
Geography
2008
M.S. in
Geography
2011
I’m currently
working as a
GIS analyst at
Philabundance(Americorps VISTA)
A Little Bit About My Organization...
● Largest hunger relief agency in
Philadelphia areao Serving 9 counties in PA and NJ
o Over 400 agencies
o Providing food to over 75,000 people
every week
● Celebrated its 30th anniversary
last yearo Founded in 1984
What do I do at Philabundance?
“Illustrate the true face of
hunger”
What do I do at Philabundance?
● Census data (bulk of my work)
● Legislative districts
● Determine areas most in need
● Combine open data and internal data (geocoding)
● Exploring interactive web mapping possibilities
Census data
● American Community Surveyo Poverty, SNAP, Income, Unemployment, etc.
o 5-year estimates, update annually
● TIGER Shapefileso Join ACS data to geographic files
● Build GIS databaseo Multiple geographic levels (state, county, tract)
o Facilitates maps-on-demand
Featured in
WHYY
Newsworks
Legislative districts
● Congressional, State House & Senate
o Ensure food policy is priority
● Poverty rates, agency locations in districts*
o Poverty data from ACS
o Agency locations geocoded from internal data
*horribly, horribly
gerrymandered
districts...
Determine areas most in need
● USDA food deserts
● Extreme poverty
o Chester, Camden
● Guide decisions to mitigate hunger
o Fare & Square, Chester
Featured in
Technical.ly
Philly
Combine open data & internal data
● Guide decisions to target areas
o Food Help Line (800-319-FOOD)
Distribution of call locations (geocoded points) +
Weighted by census tract poverty rates =
Where are future calls most likely to come from
Exploring interactive web mapping
● Looking into possibilities of web maps
o What data to show
Open data, internal data?
o How to present it
Individual maps for each data set?
One map for multiple data?
o Which platform to use
ArcGIS online, CartoDB, TileMill...
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