San Joaquin County

Measures, data20092010
Total adult population in prison (number) as of December 31 3,741 3,468
Imprisonments per 1,000 annual adult felony arrests 394.7 419.0
State imprisonment rate per 1,000 adult felony arrests (average) 417.7 407.1
County imprisonment rate as percent of state average (=100%), arrest based 95% 103%
County imprisonments if rate equaled state average, projected (number) 3,959 3,369
County actual imprisonments minus projected imprisonments at average state rate (number) -218 99
Costs added (saved) from excessive (lower) imprisonments (millions of dollars/year) -$10.2 $4.5
County imprisonment rates in state prisons    
Men imprisoned per 1,000 male felony arrests 471.8 509.5
Women imprisoned per 1,000 female felony arrests 121.0 92.4
Total adult imprisonments per 100,000/population age 18-69 914.4 795.8
Men imprisoned per 100,000 males age 18-69 1,692.5 1,515.6
Women imprisoned per 100,000 females age 18-69 124.2 76.2
County imprisonment rates in state prisons by offense    
Imprisonments for violent offenses per 1,000 violent felony arrests 779.7 941.3
Imprisonments for property offenses per 1,000 property felony arrests 330.4 334.4
Imprisonments for drug offenses per 1,000 drug felony arrests 285.0 241.8
Imprisonments for violent offenses per 100,000 population 310.0 313.3
Imprisonments for property offenses per 100,000 population 121.8 106.1
Imprisonments for drug offenses per 100,000 population 75.1 52.7
Imprisonments for drug possession offenses per 100,000 population 27.5 15.3
Imprisonments for marijuana offenses per 100,000 population 1.9 0.7
Imprisonments for strike offenses per 100,000 population 102.4 98.1
Imprisonments for 3rd strikes per 100,000 population 16.0 15.9
Imprisonments for 2nd strikes per 100,000 population 86.4 82.2
Change in imprisonment rates per adult felony arrest compared to 2009 N/A 6%
County new felon admissions to state prisons    
New felon admissions to prison by race/ethnicity, all races 1,330 1,157
New felon admissions per 1,000 adult felony arrests 140.3 139.8
New felon admissions, statewide average 156.0 148.7
New felon admissions per 1,000 felonies as a percent of the state average (=100%) 90% 94%
New felon admissions per 100,000 population, all races 195.5 168.8
White, not Latino, new felon admissions per 100,000 whites N/A 130.5
Latino new felon admissions per 100,000 Latinos N/A 153.6
Black new felon admissions per 100,000 African Americans N/A 655.1
Asian/other new felon admissions per 100,000 Asian/other population N/A 87.5
County adult jail incarceration rates    
County adult jail incarcerations, average daily population, December 1,309 1,164
Percent of jail population that is unsentenced 61% 67%
County jail populations per 1,000 adult felony arrests 138.1 140.6
Jail incarceration rate, state average 186.6 176.5
County jail incarceration rate per 1,000 felony arrests as a percent of the state average (=100%) 74% 80%
Men jailed per 1,000 male felony arrests 151.6 155.7
Women jailed per 1,000 female felony arrests 90.3 86.3
County jail populations per 100,000 population age 18-69 320.0 267.1
Men jailed per 100,000 males age 18-69 543.8 463.1
Women jailed per 100,000 females age 18-69 92.6 71.1
County total adult incarcerations (state prisons + local jails) as of December    
Total adult population incarcerated 5,050 4,632
Total adult incarceration rate per 1,000 adult felony arrests 532.8 559.6
Total incarceration rate, state average 604.3 583.5
Total adult incarceration rate as a percent of the state average (=100%) 88% 96%
Total adult male incarceration rate per 1,000 adult male felony arrests 623.4 665.2
Total adult female incarceration rate per 1,000 adult female felony arrests 211.2 178.7
Total adult male incarceration rate per 100,000 males age 18-69 2,236.3 1,978.7
Total adult female incarceration rate per 100,000 females age 18-69 216.8 147.3
Percent of incarcerated adult population held locally 26% 25%
Raw numbers, county prisoners in state prisons    
Men imprisoned 3,489 3,302
Women imprisoned 252 166
Imprisonments for violent felonies 2,109 2,147
Imprisonments for property felonies 829 727
Imprisonments for drug felonies 511 361
Imprisonments for drug possession offenses 187 105
Imprisonments for marijuana offenses 13 5
Imprisonments for strike offenses 697 672
Imprisonments for 3rd strikes 109 109
Imprisonments for 2nd strikes 588 563
Raw numbers, county new felon admissions to state prisons, calendar year    
New felon admissions to prison, White, not Latino N/A 321
New felon admissions to prison, Latino N/A 409
New felon admissions to prison, Black N/A 318
New felon admissions to prison, Asian/all other N/A 109
Raw numbers, county jail incarcerations, ADP as of December N/A N/A
Jailed, unsentenced 792 777
Jailed, sentenced 517 387
Men jailed 1,121 1,009
Women jailed 188 155
Raw numbers, total county incarcerations (state prison + local jails) N/A N/A
Total incarcerated (state prison + local jails), adult males 4,610 4,311
Total incarcerated (state prison + local jails), adult females 440 321
County crime rates and adult arrest rates    
Part I crime rate per 100,000 population (offenses reported to police) 3,307.1 3,241.9
Violent crime rate per 100,000 population 812.9 806.1
Property crime rate per 100,000 population 2,494.2 2,435.8
Adult felony arrest rate per 100,000 population age 18-69 2,316.8 1,899.3
Violent crime arrest rate 661.2 523.4
Property crime arrest rate 613.3 498.9
Drug offense arrest rate 438.3 342.6
Male felony arrest rate 3,587.3 2,974.8
Female felony arrest rate 1,026.3 824.1
Raw numbers, county crimes reported to police, adult felony arrests, and populations    
Part I crimes reported to police (number) 22,502 22,217
Violent crimes reported 5,531 5,524
Property crimes reported 16,971 16,693
Adult felony arrests, total (number) 9,478 8,277
Violent felony arrests 2,705 2,281
Property felony arrests 2,509 2,174
Drug felony arrests 1,793 1,493
Male felony arrests 7,395 6,481
Female felony arrests 2,083 1,796
Total county population, all ages (number) 680,421 685,306
White, not Latino population N/A 245,919
Latino population N/A 266,341
Black population N/A 48,540
Asian/other population N/A 124,506
Total adult population, age 18-69 409,103 435,790
Male population, age 18-69 206,142 217,865
Female population, age 18-69 202,962 217,925
At Legislative Analyst-estimated cost per prisoner per year $47,102 $45,828