CDBG-Eligible Block Groups, FY2023

Montgomery County is an Exception Grantee, meaning that the highest quartile of block groups for low- and moderate-income percent constitute the areas where Area Benefit may be applied, even though all areas contain less than 51% low- and moderate-income persons. Montgomery County’s exception threshold for 2023 is 42.88%. 160 block groups qualify based on this threshold. You can search for and download the latest Low to Moderate Income Population by Block Group data for the entire United States from HUD here. Data Dictionary: GEOID This is the concatenation of State, County, Tract, and Block Group FIPS codes. SOURCE GEONAME The name of the block group, place, county, or county subdivision. STUSAB The state abbreviation. COUNTYNAME The Name of the County. STATE The numeric Federal Information Process Standards (FIPS) state code. COUNTY The numeric Federal Information Processing Standards (FIPS) county code. TRACT The numeric code for the census tract. In other publications or reports, the code sometimes appears as a 2 digit decimal XXXX.XX. BLKGRP The block group code. LOW The count of Low-income persons. LOWMOD The count of Low- and Moderate-income persons. LMMI The count of Low-, Moderate-, and Medium-income persons for the NSP programs.. LOWMODUNIV Persons with the potential for being deemed Low-, Moderate- and Middle-income. Use as the denominator for LOW, LOWMOD, and LMMI %'s. LOWMOD_PCT The percentage of Low- and Moderate-income persons. Calculated from LOWMOD divided by LOWMODUNIV. UCLOWMOD The uncapped count of Low- and Moderate-income persons. UCLOWMOD_P The percentage of uncapped Low- and Moderate-income persons. Calculated from UCLOWMOD divided by LOWMODUNIV. MOE LOWMOD PCT The margin of error (MOE) for the LOWMOD_PCT. MOE UCLOWMOD PCT The margin of error (MOE) for the UCLOWMOD_PCT.蒙哥马利县（Montgomery County）属于例外受赠方，即即便所有区域的低收入和中等收入人口占比均低于51%，仍可将低收入和中等收入人口占比处于最高四分位的街区组区域纳入区域效益（Area Benefit）适用范围。蒙哥马利县2023年的例外阈值为42.88%，据此共有160个街区组符合资格条件。可从美国住房与城市发展部（HUD）的指定链接检索并下载全美国范围内的街区组低收入与中等收入人口最新数据集。 数据字典： 1. GEOID：为州、县、普查区及街区组的联邦信息处理标准（Federal Information Processing Standards, FIPS）代码的拼接组合。 2. SOURCE GEONAME：街区组、建制地方、县或县分区的名称。 3. STUSAB：州缩写代码。 4. COUNTYNAME：县名称。 5. STATE：联邦信息处理标准（FIPS）数值型州代码。 6. COUNTY：联邦信息处理标准（FIPS）数值型县代码。 7. TRACT：普查区数值代码。在其他出版物或报告中，该代码有时会以带两位小数的格式XXXX.XX呈现。 8. BLKGRP：街区组代码。 9. LOW：低收入人口数量。 10. LOWMOD：低收入与中等收入人口数量。 11. LMMI：适用于NSP计划的低收入、中等收入及中等收入人口数量。 12. LOWMODUNIV：具备被认定为低收入、中等收入及中等收入人口资格的潜在群体，可作为LOW、LOWMOD及LMMI占比计算的分母。 13. LOWMOD_PCT：低收入与中等收入人口占比，由LOWMOD除以LOWMODUNIV计算所得。 14. UCLOWMOD：未设上限的低收入与中等收入人口数量。 15. UCLOWMOD_P：未设上限的低收入与中等收入人口占比，由UCLOWMOD除以LOWMODUNIV计算所得。 16. MOE LOWMOD PCT：LOWMOD_PCT的误差边际（Margin of Error, MOE）。 17. MOE UCLOWMOD PCT：UCLOWMOD_P的误差边际（MOE）。