Name: Environmental justice block groups in Greater Boston
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Description: The following tables from the US Census Bureau were used to compile the updated 2020 EJ datalayer, released in November, 2022:Minority population:2020 Census Redistricting Data: Table P2: HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACEpct_minority_P2 = ((Total pop P2_001N - Not Hispanic or Latino:Population of one race:White alone P2_005N) / Total P2_001N) * 100Median Household Income (block groups, municipalities and state)American Community Survey 2020 5-year estimates: Table B19013: MEDIAN HOUSEHOLD INCOME IN THE PAST 12 MONTHS (IN 2020 INFLATION-ADJUSTED DOLLARS)Limited English Households:American Community Survey 2020 5-year estimates: Table C16002: HOUSEHOLD LANGUAGE BY HOUSEHOLD LIMITED ENGLISH SPEAKING STATUSlimEngHH = Total:Spanish:limited English speaking household C16002_004E+ Total:Other Indo-European languages:limited English speaking household C16002_007E+ Total:Asian and Pacific Island languages:Limited English speaking household C16002_010E + Total:Other languages:Limited English speaking household C16002_013E) limEngHHpct = (limEngHH / TotalHH C16002_001E) * 100Additional data adjustments:1. Block groups with a total population of fewer than 50 were removed.2. 228 2020 block groups have no MHHI in 2020 ACS table.130 of these did have a value in the 2019 ACS table so the 2019 BG MHHIand PCT BG MHHI(so the 2019 value for MA MHHI is used) were transferred to 130 BGs in the 2020 update. Those BGs are coded with ‘1’ in BG_MHHI_is_2019 This leaves 96 block groups with an unknown and not substituted 2020 BG MHHI5 of these are in towns with a muni MHHI > 150% of the MA MHHI. These are not designated as EJ.43 of the remaining are designated as EJ with the M and/or E criteria16 of the remaining have a population in EJ group quarters > 50%16 of the remaining have a total population < 50This leaves 16 block groups that may be EJ for income but no data are available to determine this. These are coded as EJ = No and median_household_income= ‘U’.
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Description: The three criteria defined in Chapter 8 of the Acts of 202were evaluated with American Community Survey 2015-2019 5-year-estimatetables:Percent block group Median Household Income as percent of MA Median Household IncomeTable B19013(B19013_001E / 85843) * 100MA median HHI 2019: $85,843 https://data.census.gov/cedsci/profile?g=0400000US25Table: DP03 (5-yr estimate)==> Any Block Group with a median HHI as percent of the MA median HHI in 2019 (B19013) less than or equal to 65.49 [56,220] was designated an EJ population.English Language IsolationTable C16002(C16002_004E:Estimate!!Total:!!Spanish:!!Limited English speaking household +C16002_007E: Estimate!!Total:!!Other Indo-European languages:!!Limited English speaking household +C16002_010E: Estimate!!Total:!!Asian and Pacific Island languages:!!Limited English speaking household +C16002_013E: Estimate!!Total:!!Other languages:!!Limited English speaking household) /C16002_001E: Estimate!!Total: *100==> Any Block Group with 24.5% or moreLimited English-speaking householdswas designated an EJ population.Percent Minority Population:Table B03002: ((B03002_001E:Estimate!!Total: - B03002_003E:Estimate!!Total:!!Not Hispanic or Latino:!!White alone)/ B03002_001E:Estimate!!Total:) * 100==> All block groups with 39.5% or more minority populationwere designated an EJ population. ==> All block groups with a minority population between 24.5% and 39.5% ANDwith a MHHI less than 150.5% of the state MHHI were designated an EJ population. Additional data adjustments:Block Groups with a total population of less than 25 were removed.
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