1. Accurate GIS is more important than EVER
IGIC Conference
Thursday, May 10, 2018
Charline Avey as
LUCA
Carol Rogers as The Census Lady

2. How does the census count people?
It’s all about the address

5. Census 2020 starts now
Geography is KEY to the successful conduct of the Census
Local Update of Census Addresses begins NOW

10. 63.5% 31,956 Census - number of addresses 3,104,701
Ungeocoded addresses in file
51,980
Geocoded with IDSI2018_03 Composite
31,956
Matched w Spatial Join 20ft to IDSIAddressPoints
1,971,361
Percent match with IndianaMap
63.5%

11. Census Geocoder
Analyze addresses against Master Address File and TigerLine files One line Address Parsed Address Batch Addresses Provides standardization for up to 10,000 address in batch mode. Minimum requirements for processing Record id, full address, city,state,zipcode(not needed) Very fast Output helpful for making sure Census has your points and centerlines

12. Export File data LINE_NUMBER INPUT_ADDRESS
MATCH_INDICATOR – Match, No_Match
INTERPOLATED_LONGITUDE_INTERPOLATED_LATITUDE
MATCH_TYPE – Exact, Not Exact
TIGER_OUTPUT_ADDRESS
STATE
TIGERLINE_ID
TIGERLINE_SIDE
BLOCK
COUNTY
TRACT

13. Can Identify Addresses that don’t have a street centerline
Identify streets names that do not match
Identify streets that don’t have address ranges
Assign Latitude/Longitude to addresses. (They are along centerlines)

14. Assign Latitude/Longitude to addresses
Assign Latitude/Longitude to addresses. (They are along centerlines) These are Matched but Not Exact placement

15. MAF – Most Valuable
DPVCONFIRM- Yes, No, D=Missing unit
CERTIFIED-C
ERROR List of methods used to change address
LEFTOVER
ADDRTYPE-R=Residential,C=Commercial,M=Mix
Real Property Data
Parcel Table: property class codes: 500 series, some 400
Dwelling Table: Occupancy Code
Census Dropbox folder
"AddrP_Chk gdb“
GeoCR Census Geocoder export matched to IDSI2018_03. Addresspoints
GeoMAF MAF Geocoder export matched to IDSI2018_03. Addresspoints

16. Questions?