Editing Arlington, Massachusetts (section)

== Demographics ==
{{More citations needed|date=April 2024}}{{Historical populations | type=USA | align=left | state=open
 | 1850|2202
 | 1860|2681
 | 1870|3261
 | 1880|4100
 | 1890|5029
 | 1900|8603
 | 1910|11187
 | 1920|18665
 | 1930|36094
 | 1940|40013
 | 1950|44353
 | 1960|49953
 | 1970|53524
 | 1980|48219
 | 1990|44630
 | 2000|42389
 | 2010|42844
 | 2020|46308
 | 2023*|46111
 | footnote=* = population estimate. Source: [[United States Census]] records and [[Population Estimates Program]] data.<ref>{{cite web | publisher=United States Census Bureau | access-date=September 16, 2021 | url=https://www.census.gov/quickfacts/fact/table/arlingtontownmiddlesexcountymassachusetts,US/PST045219| title=U.S. Census Bureau QuickFacts: Arlington town, Middlesex County, Massachusetts; United States }}</ref><ref name="2010_Census">{{cite web | title=TOTAL POPULATION (P1), 2010 Census Summary File 1, All County Subdivisions within Massachusetts | publisher=United States Census Bureau | access-date=September 13, 2011 | url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/P1/0400000US25.06000 | archive-url=https://archive.today/20200212202839/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/P1/0400000US25.06000 | url-status=dead | archive-date=February 12, 2020 }}</ref><ref name="2000-2009_PopulationEstimates">{{cite web|title=Massachusetts by Place and County Subdivision&nbsp;– GCT-T1. Population Estimates |publisher=United States Census Bureau |access-date=July 12, 2011 |url=http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US25&-_box_head_nbr=GCT-T1&-ds_name=PEP_2009_EST&-_lang=en&-format=ST-9&-_sse=on |url-status=dead |archive-url=https://web.archive.org/web/20120106065336/http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US25&-_box_head_nbr=GCT-T1&-ds_name=PEP_2009_EST&-_lang=en&-format=ST-9&-_sse=on |archive-date=January 6, 2012 }}</ref><ref name="1990_Census">{{cite web | title=1990 Census of Population, General Population Characteristics: Massachusetts | id=1990 CP-1-23 | at=Table 76: General Characteristics of Persons, Households, and Families: 1990 | publisher=US Census Bureau | access-date=July 12, 2011 | date=December 1990 | url=https://www.census.gov/prod/cen1990/cp1/cp-1-23.pdf | archive-url=https://web.archive.org/web/20131207032409/http://www.census.gov/prod/cen1990/cp1/cp-1-23.pdf | archive-date=December 7, 2013 | url-status=dead }}</ref><ref name="1980_Census">{{cite web | title=1980 Census of the Population, Number of Inhabitants: Massachusetts | id=PC80-1-A23 | at=Table 4. Populations of County Subdivisions: 1960 to 1980 | publisher=US Census Bureau | access-date=July 12, 2011 |date=December 1981 | url=http://www2.census.gov/prod2/decennial/documents/1980a_maABC-01.pdf| archive-url= http://webarchive.loc.gov/all/20100805234734/http%3A//www2%2Ecensus%2Egov/prod2/decennial/documents/1980a_maABC%2D01%2Epdf| archive-date= August 5, 2010 | url-status= live}}</ref><ref name="1950_Census">{{cite journal | title=1950 Census of Population | volume=1: Number of Inhabitants | at=Section 6, Pages 21–10 and 21-11, Massachusetts Table 6. Population of Counties by Minor Civil Divisions: 1930 to 1950 | publisher=Bureau of the Census | access-date=July 12, 2011 | year=1952 | url=http://www2.census.gov/prod2/decennial/documents/23761117v1ch06.pdf}}</ref><ref name="1920_Census">{{cite web | title=1920 Census of Population | at=Number of Inhabitants, by Counties and Minor Civil Divisions. Pages 21–5 through 21-7. Massachusetts Table 2. Population of Counties by Minor Civil Divisions: 1920, 1910, and 1920 | publisher=Bureau of the Census | access-date=July 12, 2011 | url=http://www2.census.gov/prod2/decennial/documents/41084506no553ch2.pdf}}</ref><ref name="1890_Census">{{cite web | title=1890 Census of the Population | at=Pages 179 through 182. Massachusetts Table 5. Population of States and Territories by Minor Civil Divisions: 1880 and 1890 | publisher=Department of the Interior, Census Office | access-date=July 12, 2011 | url=http://www2.census.gov/prod2/decennial/documents/41084506no553ch2.pdf}}</ref><ref name="1870_Census">{{cite web | title=1870 Census of the Population | at=Pages 217 through 220. Table IX. Population of Minor Civil Divisions, &c. Massachusetts | publisher=Department of the Interior, Census Office | access-date=July 12, 2011 | year=1872| url=http://www2.census.gov/prod2/decennial/documents/1870e-05.pdf| archive-url= http://webarchive.loc.gov/all/20100808224146/http%3A//www2%2Ecensus%2Egov/prod2/decennial/documents/1870e%2D05%2Epdf| archive-date= August 8, 2010 | url-status= live}}</ref><ref>{{cite web | title=City and Town Population Totals: 2020−2022| publisher=[[United States Census Bureau]] | access-date=November 25, 2023 | url=https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html}}</ref>
}}

Historically, since the World War One (1910s) and World War Two (1940s) era. Arlington is known for being mostly an Irish, Italian and Greek middle class community but in the last decades has become increasingly expensive and diverse, {{Citation needed|date=April 2024}} while still retaining its middle class style homes with a mixture of double/triple decker homes (multiple family styles homes) and (mostly smaller sized for single family homes) single family homes.

At the 2020 [[census]],<ref>{{cite web|title=U.S. Census website|url=https://www.census.gov/quickfacts/fact/table/arlingtontownmiddlesexcountymassachusetts,arlingtoncdpmassachusetts/AFN120217|publisher=United States Census Bureau|access-date=September 11, 2023}}</ref> there were 46,308 people living in 19,308 households in the town. The population density was 9,004.1 people per square mile. There were 19,974 housing units at an average density of {{convert|3,841.2|/sqmi|/km2|sp=us|adj=off}} as of the 2010 census. The racial makeup of the town as of the 2020 census was 75.6% [[White (U.S. Census)|White]], 3.3% [[African American (U.S. Census)|African American]], 0.1% [[Native American (U.S. Census)|Native American]], 13.7% [[Asian (U.S. Census)|Asian]] and 6.1% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 5.0% of the population.

There were 19,308 households with an average household size of 2.37 According to previous data, 27.0% had children under the age of 18 living with them, 45.1% were [[Marriage|married couples]] living together, 2.0% had a male householder with no wife present, 9.9% had a female householder with no husband present, and 43.0% were non-families. 35.1% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older.

Of the 46,308 people in the population, 6.5% were under the age of 5, 21.4% were under the age of 18, and 16% were 65 years and over. 53.3% of the population was female.
 
The [[median household income]] was $125,701, up from $85,059 in 2010. The [[per capita income]] for the town was $69,007, up from $47,571 in 2010. About 4.6% of the population were below the [[poverty line]].

=== Income ===
{{See also|List of Massachusetts locations by per capita income}}
Data is from the 2009–2013 American Community Survey 5-Year Estimates.<ref>{{cite web |url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_DP03&prodType=table|archive-url=https://archive.today/20150117113227/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_DP03&prodType=table|url-status=dead|archive-date=January 17, 2015|title=SELECTED ECONOMIC CHARACTERISTICS 2009–2013 American Community Survey 5-Year Estimates|publisher=U.S. Census Bureau|access-date=January 12, 2015}}</ref><ref>{{cite web |url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_DP05&prodType=table|archive-url=https://archive.today/20150105011252/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_DP05&prodType=table|url-status=dead|archive-date=January 5, 2015|title=ACS DEMOGRAPHIC AND HOUSING ESTIMATES 2009–2013 American Community Survey 5-Year Estimates|publisher=U.S. Census Bureau |access-date=January 12, 2015}}</ref><ref>{{cite web |url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_S1101&prodType=table|archive-url=https://archive.today/20200212210258/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_S1101&prodType=table|url-status=dead|archive-date=February 12, 2020|title=HOUSEHOLDS AND FAMILIES 2009–2013 American Community Survey 5-Year Estimates|publisher=U.S. Census Bureau |access-date=January 12, 2015}}</ref>
{| class="wikitable sortable"
|- valign=bottom
! Rank
! ZIP Code (ZCTA)
! Per capita<br />income
! Median<br />household<br />income
! Median<br />family<br />income
! Population
! Number of<br />households
!Poverty Rate
|-
| 1
| 02476 (Arlington Center/Heights)
| $51,709
| $95,305
| $131,770
| 16,662
| 7,065
|N/a
|-
| 
| ''Arlington''
| $49,549
| $89,841
| $117,590
| 43,308
| 18,688
|4.4%
|-
| 2
| 02474 (East Arlington)
| $48,199
| $87,225
| $111,148
| 26,646
| 11,623
|N/a
|-
| 
| ''[[Middlesex County, Massachusetts|Middlesex County]]''
| $42,861
| $82,090
| $104,032
| 1,522,533
| 581,120
|7.7%
|-
| 
| ''[[Massachusetts]]''
| $35,763
| $66,866
| $84,900
| 6,605,058
| 2,530,147
|10.7%
|-
| 
| ''United States''
| $28,155
| $53,046
| $64,719
| 311,536,594
| 115,610,216
|15.1%
|-
|}