1. Elections: Who DecidesElections: Who Decides
Voter Demographics,Voter Demographics,
Registration and TurnoutRegistration and Turnout
2. Government Sources:Government Sources:
Decennial CensusDecennial Census
Current Population Survey,Current Population Survey,
November SupplementNovember Supplement
Report of RegistrationReport of Registration (Secretary of(Secretary of
State, County Registrar)State, County Registrar)
Statement of VoteStatement of Vote (Secretary of(Secretary of
State, County Registrar)State, County Registrar)
3. Non-governmental SourcesNon-governmental Sources
News SourcesNews Sources (LexisNexis, NYT,(LexisNexis, NYT,
LA Times, etc.)LA Times, etc.)
Opinion PollsOpinion Polls (Roper Center iPoll)(Roper Center iPoll)
SurveysSurveys (other than CPS, ICPSR)(other than CPS, ICPSR)
4. The research question:The research question:
How many Latinos in Los Angeles areHow many Latinos in Los Angeles are
eligible to vote?eligible to vote?
GeographyGeography
Time periodTime period
Population and Units ofPopulation and Units of
AnalysisAnalysis
Los Angeles cityLos Angeles city
Current 2000-2008Current 2000-2008
Individuals 18 andIndividuals 18 and
older, race/ethnicity =older, race/ethnicity =
hispanichispanic
5. Creating a Voter ProfileCreating a Voter Profile
Who are the electorate?Who are the electorate?
What do they look like demographically?What do they look like demographically?
Who is the "typical" Democrat/Republican.Who is the "typical" Democrat/Republican.
Who seems to be the "typical" voter?Who seems to be the "typical" voter?
6. Defining the Research QuestionDefining the Research Question
GeographyGeography:: Physical areas, GovernmentPhysical areas, Government
units, Political boundaries, Other – schoolunits, Political boundaries, Other – school
districts, etc.districts, etc.
Time periodTime period:: “Current”, Historical, Over time“Current”, Historical, Over time
Population & Units of analysisPopulation & Units of analysis:: Gender,Gender,
age, etc.Race, ethnicity, ancestry,etc.age, etc.Race, ethnicity, ancestry,etc.
Persons, Households, Other – schools,Persons, Households, Other – schools,
hospitals, etc.hospitals, etc.
7. Defining the Research QuestionDefining the Research Question
Questionnaire:Questionnaire: What was asked? WhatWhat was asked? What
information was collected?information was collected?
Variables in the dataset:Variables in the dataset: How are theHow are the
responses organized? What are theresponses organized? What are the
response categories?response categories?
Context:Context: What is your hypothesis? What willWhat is your hypothesis? What will
the data tell you?the data tell you?
8. Research Discovery ContinuumResearch Discovery Continuum
(Mapping the Questions to Sources)(Mapping the Questions to Sources)
Statistical Sources-Statistical Sources- compilations or publishedcompilations or published
statistics by an agency - summary statistics; maystatistics by an agency - summary statistics; may
not have all the geographies but will help younot have all the geographies but will help you
determine the source of the data; often going todetermine the source of the data; often going to
the agency responsible for collecting the data,the agency responsible for collecting the data,
you can get statistics, aggregate data, and inyou can get statistics, aggregate data, and in
many cases microdata.many cases microdata.
News ArticlesNews Articles - newspapers will report- newspapers will report
statistics, sometimes at a local level; good forstatistics, sometimes at a local level; good for
finding out votes cast, turnout immediately andfinding out votes cast, turnout immediately and
the source of the data.the source of the data.
9. Research Discovery ContinuumResearch Discovery Continuum
(Mapping the Questions to Sources)(Mapping the Questions to Sources)
Scholarly ArticlesScholarly Articles - studies that examine a particular- studies that examine a particular
question and utilized standard data sources or createquestion and utilized standard data sources or create
their own; a good way to find out source survey andtheir own; a good way to find out source survey and
microdatamicrodata
Data SourcesData Sources - using a source that indexes surveys and- using a source that indexes surveys and
microdata, likemicrodata, like ICPSRICPSR can help you locate studycan help you locate study
detailes, questionnaires, codebooks and variables thatdetailes, questionnaires, codebooks and variables that
cover what you study, especially if the publishedcover what you study, especially if the published
statistics from a government agency does not collect thestatistics from a government agency does not collect the
information. Reading the codebooks, questionnaires,information. Reading the codebooks, questionnaires,
and other documentation will help you determine whichand other documentation will help you determine which
datasets you can use, if the information collected willdatasets you can use, if the information collected will
cover the variables you want.cover the variables you want.
10. Who is Eligible to Vote?Who is Eligible to Vote?
U.S. CitizenU.S. Citizen
18 years or older18 years or older
Specific State LawsSpecific State Laws
Criminal HistoryCriminal History
ResidencyResidency
Mental competencyMental competency
Loyalty OathLoyalty Oath
11. Voter Demographics via theVoter Demographics via the
Decennial CensusDecennial Census
Most comprehensive source on theMost comprehensive source on the
demographics and socio-economic statusdemographics and socio-economic status
of the American people for multipleof the American people for multiple
geographies.geographies.
Does not collect political party or religiousDoes not collect political party or religious
affiliations (see questionnaires)affiliations (see questionnaires)
Tables by age, by citizenship statusTables by age, by citizenship status
Fact Finder is aggregate dataFact Finder is aggregate data
12. Source – 2000 Decennial CensusSource – 2000 Decennial Census
via American Fact Findervia American Fact Finder
18. Summary FilesSummary Files
SF 1 and SF 2SF 1 and SF 2
100% Data – Short Form100% Data – Short Form
All geographies in US and PuertoAll geographies in US and Puerto
RicoRico
Basic population and housingBasic population and housing
variables:variables:
AgeAge
SexSex
RaceRace
Hispanic or Latino OriginHispanic or Latino Origin
Household TypeHousehold Type
RelationshipRelationship
Group QuartersGroup Quarters
Tenure: Own or RentTenure: Own or Rent
Vacancy StatusVacancy Status
SF 2 provides “many” detailedSF 2 provides “many” detailed
race variablesrace variables
SF 3 and SF 4SF 3 and SF 4
Sample Data 1 in 6 – LongSample Data 1 in 6 – Long
FormForm
All Geographies except forAll Geographies except for
Blocks in US and Puerto RicoBlocks in US and Puerto Rico
Detailed population, housing,Detailed population, housing,
socio-economic variablessocio-economic variables
SF 4 provides 336 race,SF 4 provides 336 race,
ethnicity, and ancestryethnicity, and ancestry
variablesvariables
19. Ability to speak English
Ancestry
Citizenship status
Class of worker
Disability
Farm Residence
Educational attainment
Employment status
Grandparents as caregivers
Income in 1999
Industry
Journey to work (commuting)
Language spoken at home
Marital status
Migration
Occupation
Place of birth
Place of work
Poverty status in 1999
School enrollment
Veteran status
Work status in 1999
Year of entry
SF 3 Population
Variables
21. SF 1 Tables by AgeSF 1 Tables by Age
P5 Race for the population 18 years and overP5 Race for the population 18 years and over
P6 Hispanic or Latino, and not Hispanic or Latino by raceP6 Hispanic or Latino, and not Hispanic or Latino by race
for the population 18 years and overfor the population 18 years and over
P12, P12A- I Sex by age (race variable) groupingsP12, P12A- I Sex by age (race variable) groupings
PCT 12, 12A-O Sex by Age (race variable) single yearPCT 12, 12A-O Sex by Age (race variable) single year
PCT 13, 13A-I Sex by age (People in Households, racePCT 13, 13A-I Sex by age (People in Households, race
variable)variable)
P20 Households by age of householder by householdP20 Households by age of householder by household
type by presence of own children*type by presence of own children*
P38 Group quarters population by sex by age by groupP38 Group quarters population by sex by age by group
quarters type (institutionalized and non)quarters type (institutionalized and non)
PCT 17, 17A-17I Group quarters population by sex byPCT 17, 17A-17I Group quarters population by sex by
age by group quarters type (institutionalized and non,age by group quarters type (institutionalized and non,
race variablerace variable
22. SF2 Tables By AgeSF2 Tables By Age
Fewer tables, more race and ethnicityFewer tables, more race and ethnicity
variablesvariables
PCT 3 Sex by age (individual year)PCT 3 Sex by age (individual year)
PCT 5 Sex by age (groupings)PCT 5 Sex by age (groupings)
PCT 11 Households by age ofPCT 11 Households by age of
householder by household type byhouseholder by household type by
presence of own childrenpresence of own children
23. (selected) SF 3 Tables by Age(selected) SF 3 Tables by Age
P8 Sex by Age (individual years up to 21; groupings 22-P8 Sex by Age (individual years up to 21; groupings 22-
24 and over)24 and over)
P19 Age by language spoken at home by ability toP19 Age by language spoken at home by ability to
speak English for the population 5 years and overspeak English for the population 5 years and over
P39 Sex by age by armed forces status by veteranP39 Sex by age by armed forces status by veteran
status for the population 18 years and overstatus for the population 18 years and over
P87 Poverty status in 1999 by ageP87 Poverty status in 1999 by age
PCT23 Sex by school enrollment by age for thePCT23 Sex by school enrollment by age for the
population 3 years and overpopulation 3 years and over
PCT24 Sex by college or graduate school enrollment byPCT24 Sex by college or graduate school enrollment by
age for the population 15 years and overage for the population 15 years and over
PCT25 Sex by age by educational attainment for thePCT25 Sex by age by educational attainment for the
population 18 years and overpopulation 18 years and over
Other tablesOther tables
24. (selected) SF4 Tables by Age(selected) SF4 Tables by Age
PCT3 Sex by age (individual year)PCT3 Sex by age (individual year)
PCT5 Sex by age for the population inPCT5 Sex by age for the population in
householdshouseholds
PCT35 Sex by marital status by age for thePCT35 Sex by marital status by age for the
population 15 years and overpopulation 15 years and over
PCT38 Age by language spoken at home byPCT38 Age by language spoken at home by
ability to speak English for the population 5ability to speak English for the population 5
years and overyears and over
PCT44 Sex by age by citizenship statusPCT44 Sex by age by citizenship status
PCT62 Sex by school enrollment by age for thePCT62 Sex by school enrollment by age for the
population 3 years and overpopulation 3 years and over
25.
26.
27.
28.
29.
30.
31.
32. Heating Fuel
Bedrooms
Kitchen facilities
Mortgage status
Plumbing
Real estate taxes
Rooms
Selected monthly owner costs (utilities, insurance,
fuel costs)
Telephone service
Units in structure
Value of home or monthly rent paid
Vehicles available
Year moved into residence
Year structure built
SF3 Housing Variables
33. Ancestry
Citizenship status
Disability
Educational attainment
Employment status
Grandparents as caregivers
Households and families
Income in 1999
Industry, occupation, and class
of worker
Journey to work (commuting)
Language and ability to
speak English
Marital status
Migration
Place of birth
Place of work
Poverty status in 1999
School enrollment
Veteran status
Work status in 1999
Year of entry
SF 4 Population
Variables
34. Bedrooms
Heating Fuel
Kitchen facilities
Mortgage status
Plumbing facilities
Real estate taxes
Rooms
Selected monthly owner costs (utilities, insurance,
fuel costs)
Telephone service
Units in structure
Value of home or monthly rent paid
Vehicles available
Year moved into structure
Year structure built
SF3 Housing Variables
35. Other FilesOther Files
Congressional District Summary FilesCongressional District Summary Files
State Legislative District Summary FileState Legislative District Summary File
P.L. 94-171 Redistricting Summary FileP.L. 94-171 Redistricting Summary File
36.
37.
38.
39.
40.
41.
42. CPS – November SupplementCPS – November Supplement
Aggregate data and microdata from aAggregate data and microdata from a
surveysurvey
CPS collected every March, VoterCPS collected every March, Voter
Supplement in November since 1960Supplement in November since 1960
Reports gives geography down to state;Reports gives geography down to state;
microdata down to county and principalmicrodata down to county and principal
cities.cities.
43.
44.
45. CPS Report VariablesCPS Report Variables
Registered populationRegistered population
VotedVoted
NonVotersNonVoters
CitizenshipCitizenship
(consistently since(consistently since
1994)1994)
Reasons for notReasons for not
registeringregistering
Geographies:Geographies:
U.S.U.S.
StateState
RegionRegion
46. CPS Report VariablesCPS Report Variables
TenureTenure
Duration at ResidenceDuration at Residence
Veteran StatusVeteran Status
SexSex
AgeAge
RaceRace
Hispanic or LatinoHispanic or Latino
Nativity StatusNativity Status
Marital StatusMarital Status
Educational AttainmentEducational Attainment
Family IncomeFamily Income
Employment StatusEmployment Status
47. CPS Microdata FileCPS Microdata File
See questionnaire for questions askedSee questionnaire for questions asked
and codebook for variablesand codebook for variables
Richer study of the data – can cross-Richer study of the data – can cross-
tabulate variablestabulate variables
Geography down to the city levelGeography down to the city level
No party affiliationNo party affiliation
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68. Voter Registration Search
Information available for a voter registered in Los Angeles County is
the person's name, political party,
birth date/place, mailing address if provided, and whether the
registration is active or canceled. Pursuant to State law the voter's
residence address is confidential. The general public is welcome to
call or come into the office noted below and access this information
free of charge. Telephone inquiries are limited to three names.
Persons coming in the office are required to sign a User's Log. If you
are unable to come into the office, you may mail in a written request
for voter record information. There is a $5 non-refundable voter file
record search fee charge per name and year checked. A certified
copy of a voter record can be obtained for $6.50, which includes the
search fee. A written request for a record must include the person's
name and birth date.
Editor's Notes
Interuniversity Consortium for Political and Social Research – have to be a member to download; anyone can search the holdings
P20 = unit of analysis is households not individuals; but you can see how many households have children over 18.
P table = population
PCT
P12 vs. PCT 12 age grouping vs. year by year