1. Ken Gallager NH Office of Energy and Planning/ State Data Center
Census Data in 2011
Ken Gallager
NH Office of Energy and Planning/
State Data Center

2. Data sets we’ll cover today
American Community Survey
2010 Census
Redistricting (PL ) Shapefiles

3. American Community Survey
Replaces the long form used in previous censuses
Continuous sample - 3 million addresses per year
1-year, 3-year, and 5-year estimates
Averages over that period of time
Greater time period = smaller population base that can be sampled

4. ACS Sample Populations
1-year samples
Areas with populations over 65,000
3-year samples
Areas with populations over 20,000
5-year samples
All geographic units, down to the block group
Comparison of samples:

5. ACS – Types of data collected
Social characteristics
Education
Marital status
Fertility
Grandparent caregivers
Veterans
Disability status
Place of birth
Citizenship status
Language spoken at home
Ancestry or tribal affiliation

6. ACS – Types of data collected
Economic characteristics
Income
Employment status
Occupation/Industry
Commuting to work
Means of transportation
Travel time

7. ACS – Types of data collected
Housing characteristics
Tenure
Occupancy and structure
Housing value
Taxes and insurance
Utilities
Mortgage or monthly rent

8. ACS – Where to get data Census Bureau NH Office of Energy and Planning
American Factfinder ( soon to be )
Download ( )
NH Office of Energy and Planning
State Data Center ( )

9. Sample OEP maps using ACS data
Median age
Percent of workers driving more than 30 minutes to work
Percent of population born in New Hampshire

10. 2010 Census Products December 2010: Apportionment data
State population totals (resident and non-resident)
Feb/March 2011: Redistricting data
Population counts; race and Hispanic
Housing occupancy status
Block level
May 2011: Demographic Profile
Sex, age groups, race
July 2011: Summary File 1
Detailed list:

11. Redistricting Data – Statewide Shapefiles (pg. 1)
County
COUSUB – County subdivisions (cities, towns, townships)
“Places” – Cities and Census-Designated Places
CD108, CD111 – Congressional districts
SLDL (State Legislative Districts Lower) – House districts
SLDU (State Legislative Districts Upper) – Senate districts

12. Redistricting Data – Statewide Shapefiles (pg. 2)
Tracts
BG – Block groups
“Tabblocks” - Blocks
School Districts:
ELSD
SCSD
UNSD
PRISECROADS – Primary and secondary highways

13. Redistricting Data – County Shapefiles
County subdivisions, tracts, block groups, blocks
VTD – Voting districts
Faces – Most fundamental polygon layer
Edges – Coded polygon boundaries
Linearwater – Stream network
Roads
Areawater – Water bodies
Arealm – Area landmarks (islands, airports, etc.)
Pointlm – Point landmarks (cemeteries, summits, etc.)

14. Redistricting Data – County tabular files
Addr – Address ranges (ARID)
Addrfn – Links address ranges (ARID) to roads (LINEARID)
Featname – Road feature names (LINEARID)
Facesah – Links TFID to HYDROID (water bodies)
Facesal – Links TFID to AREAID (landmarks)

15. Redistricting Data
Obtain from US Census Redistricting Office:
Shapefiles will also be available from GRANIT