1 Census 2000 Census 2000 Residential Segregation and Diversity in California Juan Onésimo Sandoval Juan Onésimo Sandoval Northwestern University Northwestern University Hans P. Johnson Hans P. Johnson PPIC PPIC Sonya M. Tafoya Sonya M. Tafoya PPIC PPIC
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Residential Segregation and Diversity in California
Residential Segregation and Diversity in California. Juan Onésimo Sandoval Northwestern University Hans P. Johnson PPIC Sonya M. Tafoya PPIC. Outline. Motivation for study Research Questions and Design Empirical Findings Summary Directions for Future Research. Motivation for Study. - PowerPoint PPT Presentation
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1 Census 2000 Census 2000
Residential Segregation and Diversity
in California
Juan Onésimo SandovalJuan Onésimo SandovalNorthwestern UniversityNorthwestern University
Hans P. JohnsonHans P. JohnsonPPICPPIC
Sonya M. TafoyaSonya M. TafoyaPPICPPIC
2 Census 2000 Census 2000
OutlineOutline
Motivation for studyMotivation for study
Research Questions and DesignResearch Questions and Design
Empirical FindingsEmpirical Findings
SummarySummary
Directions for Future ResearchDirections for Future Research
3 Census 2000 Census 2000
Motivation for StudyMotivation for Study
What is segregation?What is segregation?
Choice of an indexChoice of an index
4 Census 2000 Census 2000
Research QuestionResearch Question
How diverse are California neighborhoods?How diverse are California neighborhoods?
How stable are diverse neighborhoods?How stable are diverse neighborhoods?
How did the growing Latino and Asian How did the growing Latino and Asian populations impact neighborhood diversity or populations impact neighborhood diversity or segregation? segregation?
5 Census 2000 Census 2000
Research DesignResearch Design
Definition of NeighborhoodDefinition of Neighborhood
Racial CategoriesRacial Categories
Diversity IndexDiversity Index
6 Census 2000 Census 2000
Diversity IndexDiversity Index
where:where:
HHii= Diversity index for tract j= Diversity index for tract j
P(P(ii)=Proportion of the tract population in race/ethnic group)=Proportion of the tract population in race/ethnic group
k=the total number of racial/ethnic categoriesk=the total number of racial/ethnic categories
Diversity score will range from 0=(Homogeneous) to 100=(Heterogeneous)Diversity score will range from 0=(Homogeneous) to 100=(Heterogeneous)
100*)(log
)(*))((log(1
K
ii k
iPiPH
7 Census 2000 Census 2000
California’s 2000 population diversity score was California’s 2000 population diversity score was “58”“58”
Diverse – Greater Than 75Diverse – Greater Than 75
Somewhat Diverse – 75 to 60Somewhat Diverse – 75 to 60
Somewhat Segregated – 59 to 45Somewhat Segregated – 59 to 45
Segregated – Less than 45Segregated – Less than 45
8 Census 2000 Census 2000
The percent of census tracts that were Latino The percent of census tracts that were Latino majority significantly increasedmajority significantly increased
4
13
1
17
52
2
23
3
21
65
0
10
20
30
40
50
60
70
White Black Latino Asian NoMajority
19902000Pe
rcen
tage
9 Census 2000 Census 2000
The percent of segregated census tracts The percent of segregated census tracts declined from 1990 to 2000declined from 1990 to 2000
7
22
27
43
19
2927
25
05
101520253035404550
Diverse Som ewhatDiverse
SomewhatSegregated
Segregated
19902000Pe
rcen
tage
10 Census 2000 Census 2000
White neighborhoods become more diverseWhite neighborhoods become more diverse
1
17
31
51
5
2925
31
0
10
20
30
40
50
60
Diverse SomewhatDiverse
SomewhatSegregated
Segregated
19902000Pe
rcen
tage
11 Census 2000 Census 2000
Latino neighborhoods tend to be somewhat Latino neighborhoods tend to be somewhat segregated or segregatedsegregated or segregated
1
25
3638
4
30 30
36
05
10152025303540
Diverse SomewhatDiverse
Som ewhatSegregated
Segregated
19902000Pe
rcen
tage
12 Census 2000 Census 2000
One in five black neighborhoods were One in five black neighborhoods were segregated in 2000 segregated in 2000
2
24
40
33
8
3537
20
05
1015202530354045
Diverse SomewhatDiverse
SomewhatSegregated
Segregated
19902000
Perc
enta
ge
13 Census 2000 Census 2000
Asian neighborhoods were diverse or somewhat Asian neighborhoods were diverse or somewhat diverse in 2000diverse in 2000
7
39 39
1512
62
22
4
0
10
20
30
40
50
60
70
Diverse SomewhatDiverse
SomewhatSegregated
Segregated
19902000
Perc
enta
ge
14 Census 2000 Census 2000
1990 racially diverse neighborhoods remained 1990 racially diverse neighborhoods remained diverse in 2000diverse in 2000
2000 Level of Diversity/Segregation2000 Level of Diversity/Segregation
DiverseDiverse SW SW DiverseDiverse
SW SW SegregatedSegregated
SegregatedSegregated
1990 Level 1990 Level of Diversity/of Diversity/SegregationSegregation
DiverseDiverse 83%83% 17%17% 0%0% 0%0%
SW DiverseSW Diverse 46%46% 43%43% 10%10% 1%1%
SW SW SegregatedSegregated
12%12% 52%52% 29%29% 7%7%
SegregatedSegregated 0%0% 8%8% 38%38% 54%54%
15 Census 2000 Census 2000
Vallejo and Pittsburg had the highest Vallejo and Pittsburg had the highest neighborhood diversity scores in 2000neighborhood diversity scores in 2000
85 8584
8382
81 8180 80
79
7677787980818283848586
Valle
jo
Pitt
sbur
g
Hay
war
d
San
Lean
dro
Fair
field
Sacr
amen
to
Bel
lflow
er
Mor
eno
Valle
y
Uni
on C
ity
Ric
hmon
d
Div
ersi
ty S
core
16 Census 2000 Census 2000
East Los Angeles had lowest neighborhood East Los Angeles had lowest neighborhood diversity score in 2000diversity score in 2000
41 39 3834 33 32
27
20
14 12
05
1015202530354045M
onte
bello
Enci
nita
s
Lynw
ood
Red
ding
New
port
Bea
ch
Pico
Riv
era
Flor
ence
-G
rahm
Sout
h G
ate
Hun
tingt
onPa
rk
East
LA
Div
ersi
ty S
core
17 Census 2000 Census 2000
Rancho Cordova had the biggest change in the Rancho Cordova had the biggest change in the diversity score that increased diversitydiversity score that increased diversity
2522 22 21 20 20 20
0
5
10
15
20
25
30
Diff
eren
ce in
Div
ersi
ty S
core
18 Census 2000 Census 2000
South Gate had the biggest change in the South Gate had the biggest change in the diversity score that increased segregationdiversity score that increased segregation
-9 -9 -9-10
-11 -11
-20
-25
-20
-15
-10
-5
0Florence-Graham
Pico Rivera East LosAngeles
HuntingtonPark
Paramount BaldwinPark
South Gate
Div
ersi
ty S
core
19 Census 2000 Census 2000
Neighborhoods in Los Angeles were the most Neighborhoods in Los Angeles were the most likely not to reflect the diversity of the citylikely not to reflect the diversity of the city