Race and Ethnicity in Great Diamond Island, Portland, Maine (Neighborhood)

Race and Ethnicity#1

Percentage of the total population.
Scope: population of Portland and Great Diamond Island
Great Diamond Island
Portland
0%20%40%60%80%CountWhite1Hispanic2BlackAsianMixed1Other194.805195%81.596123%94.805195%94.8%680.000000%0.000000%0.0%3.155336%00.000000%0.000000%0.0%8.276193%00.000000%0.000000%0.0%3.507930%05.194805%3.119327%5.194805%5.2%340.000000%0.000000%0.0%0.345091%0

Relative Race and Ethnicity#2

Race and Hispanic origin in Great Diamond Island as a percentage of the total population, expressed as percentage point difference from Portland.
Scope: population of Portland and Great Diamond Island
-5%0%+5%+10%%ref.White1Hispanic2BlackAsianMixed1Other113.209072%13.209072%+13.2%94.805%94.8%81.596%81.6%-3.155336%-3.155336%-3.2%0.000%0%3.155%3.16%-8.276193%-8.276193%-8.3%0.000%0%8.276%8.28%-3.507930%-3.507930%-3.5%0.000%0%3.508%3.51%2.075479%2.075479%+2.1%5.195%5.19%3.119%3.12%-0.345091%-0.345091%-0.3%0.000%0%0.345%0.35%

Relative Ethno-Racial Composition by Age#3

Ethno-racial composition by age cohort as a percentage within each age cohort.
Scope: population of Great Diamond Island
White1
Hispanic2
Mixed3
Black3
Asian3
Other3
85+75-8465-7455-6445-5435-4430-3425-2920-2418-1915-1710-145-90-4100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%3100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%5698.500000%98.5%0.000000%1.000000%0.000000%0.500000%0.000000%1194.505495%94.5%4.029304%1.465201%0.000000%0.000000%0.000000%1516100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%101197.142857%97.1%0.000000%0.000000%0.000000%2.857143%0.000000%5691.666667%91.7%0.000000%8.333333%0.000000%0.000000%0.000000%23100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%1290.909091%90.9%0.000000%0.000000%9.090909%0.000000%0.000000%1100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%182.758621%82.8%17.241379%17.2%0.000000%0.000000%0.000000%0.000000%1294.444444%94.4%0.000000%5.555556%0.000000%0.000000%0.000000%494.871795%94.9%0.000000%5.128205%0.000000%0.000000%0.000000%4100.000000%100.0%0.000000%0.000000%0.000000%0.000000%0.000000%20%20%40%60%80%100%Count

Ethno-Racial Composition by Age Cohort#4

Ethno-racial composition by age cohort as a percentage of the total population.
Scope: population of Great Diamond Island
White1
Hispanic2
Mixed3
Black3
Asian3
Other3
85+75-8465-7455-6445-5435-4430-3425-2920-2418-1915-1710-145-90-44.196358%4.2%0.000000%0.000000%0.000000%0.000000%0.000000%37.838480%7.8%0.000000%0.000000%0.000000%0.000000%0.000000%5615.597783%15.6%0.000000%0.158353%0.000000%0.079177%0.000000%1120.427553%20.4%0.870942%0.316706%0.000000%0.000000%0.000000%151615.201900%15.2%0.000000%0.000000%0.000000%0.000000%0.000000%10118.076010%8.1%0.000000%0.000000%0.000000%0.237530%0.000000%563.483769%3.5%0.000000%0.316706%0.000000%0.000000%0.000000%232.454473%2.5%0.000000%0.000000%0.000000%0.000000%0.000000%121.583531%0.000000%0.000000%0.158353%0.000000%0.000000%11.821061%0.000000%0.000000%0.000000%0.000000%0.000000%11.900238%0.395883%0.000000%0.000000%0.000000%0.000000%125.384006%5.4%0.000000%0.316706%0.000000%0.000000%0.000000%45.859066%5.9%0.000000%0.316706%0.000000%0.000000%0.000000%43.008709%3.0%0.000000%0.000000%0.000000%0.000000%0.000000%20%5%10%15%20%Count

Ethno-Racial Composition per Year#5

Ethno-racial composition per year of the age cohort as a percentage of the total population.
Scope: population of Great Diamond Island
White1
Hispanic2
Mixed3
Black3
Asian3
Other3
85+75-8465-7455-6445-5435-4430-3425-2920-2418-1915-1710-145-90-40.262272%0.000000%0.000000%0.000000%0.000000%0.000000%30.783848%0.78%0.000000%0.000000%0.000000%0.000000%0.000000%561.559778%1.56%0.000000%0.015835%0.000000%0.007918%0.000000%112.042755%2.04%0.087094%0.031671%0.000000%0.000000%0.000000%15161.520190%1.52%0.000000%0.000000%0.000000%0.000000%0.000000%10110.807601%0.81%0.000000%0.000000%0.000000%0.023753%0.000000%560.696754%0.70%0.000000%0.063341%0.000000%0.000000%0.000000%230.490895%0.49%0.000000%0.000000%0.000000%0.000000%0.000000%120.316706%0.32%0.000000%0.000000%0.031671%0.000000%0.000000%10.910530%0.91%0.000000%0.000000%0.000000%0.000000%0.000000%10.633413%0.63%0.131961%0.000000%0.000000%0.000000%0.000000%121.076801%1.08%0.000000%0.063341%0.000000%0.000000%0.000000%41.171813%1.17%0.000000%0.063341%0.000000%0.000000%0.000000%40.601742%0.60%0.000000%0.000000%0.000000%0.000000%0.000000%20.0%0.5%1.0%1.5%2.0%Count

Map of Race and Ethnicity by Block in Great Diamond Island

White Race and Ethnicity by Block#6

Whites (non-Hispanic) as a percentage of the population (%):
50%60%70%80%90%100%

Mixed Race and Ethnicity by Block#10

Multiracial people (non-Hispanic) as a percentage of the population (%):
0%10%20%30%40%50%
Road Data ©OpenStreetMap

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Race and Ethnicity by Neighborhood in Portland

There are 24 neighborhoods in Portland. This section compares Great Diamond Island to all of the neighborhoods in Portland and to those entities that contain or substantially overlap with Great Diamond Island.

Non-White Population by Neighborhood#12

Percentage of the total population.
Scope: population of Great Diamond Island, selected other neighborhoods in Portland, and entities that contain Great Diamond Island
White1
Hispanic2
Black
Asian
Other1
0%10%20%30%40%Count#East Bayside-India Street NeighborhoodE Bayside-India StWest Bayside NeighborhoodWest BaysideUnited States of AmericaUnited StatesNortheastStroudwater NeighborhoodStroudwaterRiverton NeighborhoodRivertonParkside NeighborhoodParksideLibbytown NeighborhoodLibbytownEast Deering NeighborhoodEast DeeringDowntown NeighborhoodDowntownNew EnglandValley Street NeighborhoodValley StreetNasons Corner NeighborhoodNasons CornerPortlandPortlandDeering Center NeighborhoodDeering CtrWest End NeighborhoodWest EndEast End NeighborhoodEast EndNorth Deering NeighborhoodNorth DeeringOakdale NeighborhoodOakdaleRosemont NeighborhoodRosemontCumberland CountyCumberlandOcean Avenue NeighborhoodOcean AvenuePortland and South Portland Metro AreaPortland AreaMaineCliff Island NeighborhoodCliff Island002400-2B.G. 002400-2House Island NeighborhoodHouse IslandGreat Diamond Island NeighborhoodGreat Diamond IsLittle Diamond Island NeighborhoodLittle Diamond IsZIP Code 04109ZIP 04109002400Tract 002400Peaks Island NeighborhoodPeaks IslandCushing Island NeighborhoodCushing Is24.672560%10.825150%7.043247%1.713995%44.254952%44.3%1,0701,071127.916900%4.395032%3.948693%3.310049%39.570674%39.6%922923216.909408%12.632487%5.215570%3.287546%38.045012%38.0%121,195,490121M12.898510%11.884376%6.198913%2.384858%33.366657%33.4%18,707,27318.7M21.137026%12.099125%0.000000%0.000000%33.236152%33.2%244318.393337%6.814074%4.476401%1.360242%31.044053%31.0%1,733422.714881%3.281544%2.700655%1.654219%30.351300%30.4%949514.292279%11.810662%2.389706%1.102941%29.595588%29.6%604610.327326%7.521082%5.887254%2.923322%26.658985%26.7%968711.347025%8.885221%1.629093%1.476572%23.337911%23.3%50050189.556361%6.626307%4.465679%2.605707%23.254054%23.3%3,411,1093.41M15.165877%4.197698%1.963439%1.760325%23.087339%23.1%32132297.555292%5.897667%4.207069%2.947801%20.607829%20.6%760108.276193%3.507930%3.464418%3.155336%18.403877%18.4%12,26612.3k8.276193%3.507930%3.464418%3.155336%18.403877%18.4%12,26612.3k4.893255%3.994019%3.033971%1.683655%13.604899%13.6%565566115.091746%2.738904%2.728929%1.112801%11.672380%11.7%801802126.235316%2.264789%1.824375%1.148371%11.472850%11.5%538539133.855833%3.773208%1.511131%1.454959%10.595131%10.6%1,1471,148145.015539%3.060053%1.522565%0.968553%10.566711%10.6%360361154.893992%3.145125%1.171473%0.140334%9.350924%9.4%410411162.717867%2.512109%2.046814%1.815381%9.092171%9.1%26,20426.2k2.285544%2.153744%1.960044%1.327114%7.726447%7.7%286287172.207783%1.876978%1.678648%1.587786%7.351195%7.4%38,51138.5k2.523530%1.414368%1.225860%1.101041%6.264799%6.3%83,31783.3k3.864734%1.932367%0.000000%0.000000%5.797101%5.8%4185.194805%0.000000%0.000000%0.000000%5.194805%5.2%45.194805%0.000000%0.000000%0.000000%5.194805%5.2%0195.194805%0.000000%0.000000%0.000000%5.194805%5.2%34205.194805%0.000000%0.000000%0.000000%5.194805%5.2%01213.846154%0.000000%0.000000%0.000000%3.846154%3.8%41.425178%1.266825%0.316706%0.158353%3.167063%3.2%401.634321%0.612870%0.204290%0.000000%2.451481%2.5%21221.634321%0.612870%0.204290%0.000000%2.451481%2.5%023

Relative Race and Ethnicity by Neighborhood#13

Percentage point difference from Great Diamond Island.
Scope: population of Great Diamond Island, selected other neighborhoods in Portland, and entities that contain Great Diamond Island
White1
Hispanic2
Black
Asian
Mixed1
Other1
-40%-20%-0%+20%+40%%#East Bayside-India Street NeighborhoodE Bayside-India StWest Bayside NeighborhoodWest BaysideUnited States of AmericaUnited StatesStroudwater NeighborhoodStroudwaterNortheastRiverton NeighborhoodRivertonParkside NeighborhoodParksideLibbytown NeighborhoodLibbytownDowntown NeighborhoodDowntownEast Deering NeighborhoodEast DeeringNew EnglandValley Street NeighborhoodValley StreetNasons Corner NeighborhoodNasons CornerPortlandPortlandDeering Center NeighborhoodDeering CtrNorth Deering NeighborhoodNorth DeeringWest End NeighborhoodWest EndOakdale NeighborhoodOakdaleCumberland CountyCumberlandEast End NeighborhoodEast EndOcean Avenue NeighborhoodOcean AvenuePortland and South Portland Metro AreaPortland AreaPeaks Island NeighborhoodPeaks IslandCushing Island NeighborhoodCushing IsRosemont NeighborhoodRosemontMaine002400Tract 002400Cliff Island NeighborhoodCliff IslandZIP Code 04109ZIP 04109House Island NeighborhoodHouse Island002400-2B.G. 002400-2Great Diamond Island NeighborhoodGreat Diamond IsLittle Diamond Island NeighborhoodLittle Diamond Is-39.060147%-3.480810%-42.540957%-42.5%10.825150%24.672560%7.043247%0.000000%42.540957%+42.5%85.082%85.1%1-34.375869%-3.007305%-37.383174%-37.4%4.395032%27.916900%3.948693%1.122548%37.383174%+37.4%74.766%74.8%2-32.850207%-2.933525%-35.783731%-35.8%16.909408%12.632487%5.215570%1.026266%35.783731%+35.8%71.567%71.6%-28.041346%-5.194805%-33.236152%-33.2%12.099125%0.000000%21.137026%0.000000%33.236152%+33.2%66.472%66.5%3-28.171852%-3.413941%-31.585793%-31.6%12.898510%11.884376%6.198913%0.603994%31.585793%+31.6%63.172%63.2%-25.849248%-3.843053%-29.692301%-29.7%4.476401%18.393337%6.814074%0.008489%29.692301%+29.7%59.385%59.4%4-25.156494%-3.016034%-28.172528%-28.2%3.281544%22.714881%1.654219%0.521884%28.172528%+28.2%56.345%56.3%5-24.400783%-24.400783%-24.4%1.102941%11.810662%2.389706%4.547842%4.549632%24.400783%+24.4%48.802%48.8%6-18.143106%-3.738728%-21.881834%-21.9%8.885221%11.347025%1.476572%0.173016%21.881834%+21.9%43.764%43.8%7-21.464180%-21.464180%-21.5%2.923322%10.327326%5.887254%2.326277%0.000000%21.464180%+21.5%42.928%42.9%8-18.059249%-3.246926%-21.306175%-21.3%9.556361%6.626307%4.465679%0.657828%21.306175%+21.3%42.612%42.6%-17.892534%-3.231366%-21.123900%-21.1%1.760325%15.165877%4.197698%0.000000%21.123900%+21.1%42.248%42.2%9-15.413024%-1.353955%-16.766978%-16.8%2.947801%5.897667%7.555292%0.366219%16.766978%+16.8%33.534%33.5%10-13.209072%-2.075479%-15.284550%-15.3%3.155336%8.276193%3.507930%0.345091%15.284550%+15.3%30.569%30.6%-13.209072%-2.075479%-15.284550%-15.3%3.155336%8.276193%3.507930%0.345091%15.284550%+15.3%30.569%30.6%-8.410094%-0.770361%-9.180454%-9.2%1.683655%3.033971%3.994019%0.468810%9.180454%+9.2%18.361%18.4%11-5.400326%-3.750970%-9.151296%-9.2%1.454959%3.855833%3.773208%0.067296%9.151296%+9.2%18.303%18.3%12-6.477575%-2.568744%-9.046319%-9.0%2.728929%5.091746%1.112801%0.112843%9.046319%+9.0%18.093%18.1%13-5.371906%-2.607511%-7.979417%-8.0%5.015539%0.968553%1.522565%0.472759%7.979417%+8.0%15.959%16.0%14-3.897366%-2.999485%-6.896851%-6.9%1.815381%2.717867%2.046814%0.316789%6.896851%+6.9%13.794%13.8%-6.278045%-6.278045%-6.3%2.264789%1.824375%1.148371%0.840664%0.199847%6.278045%+6.3%12.556%12.6%15-2.531641%-3.335646%-5.867288%-5.9%1.327114%1.960044%2.285544%0.294585%5.867288%+5.9%11.735%11.7%16-2.156390%-3.343024%-5.499414%-5.5%1.678648%1.876978%1.587786%0.356002%5.499414%+5.5%10.999%11.0%-4.581935%-4.581935%-4.6%2.743324%1.634321%0.204290%0.000000%0.000000%4.581935%+4.6%9.164%9.16%17-4.581935%-4.581935%-4.6%2.743324%1.634321%0.204290%0.000000%0.000000%4.581935%+4.6%9.164%9.16%18-4.156119%-0.300813%-4.456932%-4.5%1.171473%3.145125%0.140334%0.000000%4.456932%+4.5%8.914%8.91%19-1.069994%-3.316727%-4.386720%-4.4%1.414368%1.225860%1.101041%0.645451%4.386720%+4.4%8.773%8.77%-3.769627%-3.769627%-3.8%2.027743%1.266825%0.158353%0.316706%0.000000%3.769627%+3.8%7.539%7.54%-0.602296%-1.330071%-1.932367%-1.9%0.000000%0.000000%1.932367%0.000000%1.932367%+1.9%3.865%3.86%20-1.348651%-1.348651%-1.3%1.348651%0.000000%0.000000%0.000000%0.000000%1.348651%+1.3%2.697%2.70%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%+0.0%0.000%0.00%210.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%+0.0%0.000%0.00%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.0%0.000%0%220.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.000000%0.0%0.000%0%23

White1 Population by Neighborhood#14

Percentage of the total population.
Scope: population of Great Diamond Island, selected other neighborhoods in Portland, and entities that contain Great Diamond Island
0%20%40%60%80%Count#Peaks Island NeighborhoodPeaks IslandCushing Island NeighborhoodCushing Is002400Tract 002400ZIP Code 04109ZIP 04109House Island NeighborhoodHouse Island002400-2B.G. 002400-2Great Diamond Island NeighborhoodGreat Diamond IsLittle Diamond Island NeighborhoodLittle Diamond IsCliff Island NeighborhoodCliff IslandMainePortland and South Portland Metro AreaPortland AreaOcean Avenue NeighborhoodOcean AvenueCumberland CountyCumberlandRosemont NeighborhoodRosemontOakdale NeighborhoodOakdaleNorth Deering NeighborhoodNorth DeeringEast End NeighborhoodEast EndWest End NeighborhoodWest EndDeering Center NeighborhoodDeering CtrPortlandPortlandNasons Corner NeighborhoodNasons CornerValley Street NeighborhoodValley StreetNew EnglandDowntown NeighborhoodDowntownEast Deering NeighborhoodEast DeeringLibbytown NeighborhoodLibbytownParkside NeighborhoodParksideRiverton NeighborhoodRivertonStroudwater NeighborhoodStroudwaterNortheastUnited States of AmericaUnited StatesWest Bayside NeighborhoodWest BaysideEast Bayside-India Street NeighborhoodE Bayside-India St97.548519%97.548519%97.5%840841197.548519%97.548519%97.5%12296.832937%96.832937%96.8%1,22396.153846%96.153846%96.2%10094.805195%94.805195%94.8%01394.805195%94.805195%94.8%7394.805195%94.805195%94.8%68494.805195%94.805195%94.8%17594.202899%94.202899%94.2%6667693.735201%93.735201%93.7%1,246,6061.25M92.648805%92.648805%92.6%485,363485k92.273553%92.273553%92.3%3,422790.907829%90.907829%90.9%262,000262k90.649076%90.649076%90.6%3,979889.433289%89.433289%89.4%3,054989.404869%89.404869%89.4%9,6851088.527150%88.527150%88.5%4,1561188.327620%88.327620%88.3%6,0681286.395101%86.395101%86.4%3,5921381.596123%81.596123%81.6%54,38354.4k81.596123%81.596123%81.6%54,38354.4k79.392171%79.392171%79.4%2,9272,9281476.912661%76.912661%76.9%1,0711576.745946%76.745946%76.7%11,257,77011.3M76.662089%76.662089%76.7%1,6441673.341015%73.341015%73.3%2,6632,6641770.404412%70.404412%70.4%1,4371,4381869.648700%69.648700%69.6%2,1772,1781968.955947%68.955947%69.0%3,8503,8512066.763848%66.763848%66.8%4904912166.633343%66.633343%66.6%37,358,49637.4M61.954988%61.954988%62.0%197,362,672197M60.429326%60.429326%60.4%1,4092255.745048%55.745048%55.7%1,34923

Definitions

Throughout these reports we will refer to several racial and ethnic groups, the definitions of which derive from those used by the US Census Bureau. In the interests of brevity and clarity we have combined several of the Census categories yielding the following mutually exclusive and collectively exhaustive categories:

  • White: non-Hispanic whites
  • Hispanic: Hispanics, excluding black and Asian Hispanics
  • Black: blacks, including Hispanic blacks
  • Asian: Asians, including Hispanic Asians
  • Mixed: non-Hispanic mixed race people
  • Other: American Indians and other groups not otherwise categorized

In all cases, racial and ethnic classification is based on self-identification. While the term 'Hispanic' is an ethnic, not a racial, designation (and so there exist Hispanic and non-Hispanic people of all races), we conform with the common practice of comparing Hispanics with other racial groups. This is reflected in our categorization (listed above), and in our preference for the term 'ethno-racial group' in place of just 'race'. Finally, while these categories are used wherever possible, the data does not always allow this grouping, so it is important to read the footnotes of each chart to understand the definitions used therein.

Unlike the other geographical entities detailed on this site, neighborhoods are not recognized by the U.S. Census Bureau. To overcome this we have computed reasonable estimates of the same statistics that are presented for other the entity types. Each statistic is computed as the weighted sum or average of the census tracts or block groups that overlap the neighborhood. A weighted sum is used for counts of people or households, and a weighted average is used for statistics that are themselves some form of average, such as median household income. Census block groups are preferred when the statistic in question is available on the block group level. The weight for a given tract (or block group) is computed as the population of the census tabulation blocks that occupy the intersection between the tract and the neighborhood as a fraction of the total population of the neighborhood.

For additional information about the data presented on this site, including our sources, please see the About Page.

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