SB 1000 Populations

Definitions: Urban: Contiguous urban census tracts with a population of 50,000 or greater. Urban census tracts are tracts where at least 10 percent of the tract's land areas is designated as urban by the Census Bureau using the 2020 urbanized area criteria. Rural Center: Contiguous urban census tracts with a population of less than 50,000. Urban census tracts are tracts where at least 10 percent of the tract's land area is designated as urban by the Census Bureau using the 2020 urbanized area criteria. Rural: Census tracts where less than 10 percent of the tract's land area is designated as urban by the Census Bureau using the 2020 urbanized area criteria. Disadvantaged Community (DAC): Census tracts that score within the top 25th percentile of the Office of Environmental Health Hazards Assessment’s California Communities Environmental Health Screening Tool (CalEnviroScreen) 4.0 scores, as well as areas of high pollution and low population, such as ports. Low-income Community (LIC): Census tracts with median household incomes at or below 80 percent of the statewide median income or with median household incomes at or below the threshold designated as low income by the Department of Housing and Community Development’s list of state income limits adopted pursuant to Section 50093 of the California Health and Safety Code. Middle-income Community (MIC): Census tracts with median household incomes between 80 to 120 percent of the statewide median income, or with median household incomes between the threshold designated as low- and moderate-income by the Department of Housing and Community Development’s list of state income limits adopted pursuant to section 50093 of the California Health and Safety Code. High-income Community (HIC): Census tracts with median household income at or above 120 percent of the statewide median income or with median household incomes at or above the threshold designated as moderate-income by the Department of Housing and Community Development’s list of state income limits adopted pursuant to section 50093 of the California Health and Safety Code. Data Dictionary: ObjectID1_: Unique ID Shape: Geometric form of the feature STATEFP: State FIPS Code COUNTYFP: County FIPS Code COUNTY: County Name Tract: Census Tract ID Population_2019_5YR: Population from the American Community Survey 2019 5-Year Estimates Pop_dens: Census tract designation as Urban, Rural Center, or Rural DAC: Census tract designation as Disadvantaged or not (DAC or Not DAC) Income_Group: Census tract designation as Low-, Middle-, or High-income Community (LIC, MIC, or HIC) Priority_pop: Census tract designation as Low-income and/or Disadvantaged or not (LIC and/or DAC, or Not LIC and/or DAC) Shape_Length: Census tract shape area (square meters) Shape_Area: Census tract shape length (square meters) Data sources: Urban, rural center, and rural designations are from the 2026 Senate Bill (SB) 1000 Assessment Disadvantaged community designations are from the California Environmental Protection Agency (CalEPA) under Senate Bill (SB) 535 Low-income community designations are from the California Air Resources Board under Assembly Bill (AB) 1550. Middle- and high-income designations are from the SB 1000 Assessments.Definitions: 城市（Urban）：人口规模达5万及以上的连片城市人口普查分区。城市人口普查分区指美国人口普查局（Census Bureau）依据2020年城市化区域标准，将至少10%的片区土地划定为城市区域的普查分区。 Rural Center: 乡村中心（Rural Center）：人口规模不足5万的连片城市人口普查分区。城市人口普查分区指美国人口普查局依据2020年城市化区域标准，将至少10%的片区土地划定为城市区域的普查分区。 Rural: 乡村（Rural）：美国人口普查局依据2020年城市化区域标准，将不足10%的片区土地划定为城市区域的人口普查分区。 Disadvantaged Community (DAC): 弱势社区（Disadvantaged Community，DAC）：位列美国环境卫生危害评估办公室（Office of Environmental Health Hazards Assessment）加利福尼亚社区环境卫生筛查工具（CalEnviroScreen）4.0评分前25%分位的人口普查分区，以及港口等高污染、低人口密度区域。 Low-income Community (LIC): 低收入社区（Low-income Community，LIC）：家庭收入中位数达到或低于全州家庭收入中位数的80%，或符合《加州健康与安全法典》第50093条规定的住房与社区发展部（Department of Housing and Community Development）州收入限额列表中划定的低收入门槛的人口普查分区。 Middle-income Community (MIC): 中等收入社区（Middle-income Community，MIC）：家庭收入中位数介于全州家庭收入中位数的80%至120%之间，或符合《加州健康与安全法典》第50093条规定的住房与社区发展部州收入限额列表中划定的低收入至中等收入门槛的人口普查分区。 High-income Community (HIC): 高收入社区（High-income Community，HIC）：家庭收入中位数达到或高于全州家庭收入中位数的120%，或符合《加州健康与安全法典》第50093条规定的住房与社区发展部州收入限额列表中划定的中等收入门槛的人口普查分区。 Data Dictionary: 数据字典： ObjectID1_：唯一标识符 Shape：地理要素的几何形态 STATEFP：州联邦信息处理标准（FIPS）代码 COUNTYFP：县联邦信息处理标准（FIPS）代码 COUNTY：县名 Tract：人口普查分区ID Population_2019_5YR：美国社区调查（American Community Survey）2019年5年估算数据中的人口规模 Pop_dens：人口普查分区的分类标识，分为城市、乡村中心或乡村 DAC：人口普查分区的弱势社区标识，分为弱势社区（DAC）或非弱势社区（Not DAC） Income_Group：人口普查分区的收入群体分类标识，分为低收入社区（LIC）、中等收入社区（MIC）或高收入社区（HIC） Priority_pop：人口普查分区的优先群体标识，分为低收入和/或弱势社区，或非低收入和/或非弱势社区 Shape_Length：人口普查分区的形状长度（平方米） Shape_Area：人口普查分区的形状面积（平方米） Data sources: 数据来源： 城市、乡村中心及乡村分类标识源自2026年《参议院法案1000》（Senate Bill 1000，SB 1000）评估报告 弱势社区分类标识源自加州环境保护局（California Environmental Protection Agency，CalEPA）依据《参议院法案535》（Senate Bill 535）发布的内容 低收入社区分类标识源自加州空气资源委员会（California Air Resources Board）依据《议会法案1550》（Assembly Bill 1550）发布的内容 中等及高收入分类标识源自《参议院法案1000》评估报告。