Editing Markham, Illinois (section)

==Demographics==

{{US Census population
|1930= 349
|1940= 1288
|1950= 2783
|1960= 11704
|1970= 15987
|1980= 15534
|1990= 13136
|2000= 12620
|2010= 12508
|2020= 11661
|align-fn=center
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census/decade.html|title=Decennial Census of Population and Housing by Decades|publisher=[[US Census Bureau]]|access-date=}}</ref><br> 2010<ref name=2010CensusP2/> 2020<ref name=2020CensusP2/>
}}

{| class="wikitable" style="text-align:center;"
|+'''Markham, Illinois – Racial and ethnic composition'''<br><small>{{nobold|''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.''}}</small>
!Race / Ethnicity <small>(''NH = Non-Hispanic'')</small>
!Pop 1970<ref name=1970Census>{{Cite web|title=1970 Census of Population - General Population Characteristics - Illinois - Table 16 - Race by Sex, for Places of 10,000 to 50,000  |url=https://www2.census.gov/library/publications/decennial/1970/population-volume-1/1970a_il1-03.pdf|website=[[United States Census Bureau]]}}</ref>
!Pop 1980<ref name=1980Census>{{Cite web|title=1980 Census of Population - General Population Characteristics - Illinois- Table 14 - Persons by Race and Table 16 (p. 18-28) - Total Persons and Spanish Origin Persons by Type of Spanish Origin and Race (p. 29-39)|url=https://www2.census.gov/prod2/decennial/documents/1980a_ilAB-03.pdf|website=[[United States Census Bureau]]|page=}}</ref>
!Pop 1990<ref name=1990Census>{{Cite web|title=1990 Census of Population - General Population Characteristics - Illinois - Table 6 - Race and Hispanic Orogin|url=https://www2.census.gov/library/publications/decennial/1990/cp-2/cp-2-15-1.pdf|website=[[United States Census Bureau]]}}</ref>
!Pop 2000<ref name=2000CensusP004>{{Cite web|title=P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Markham city, Illinois |url=https://data.census.gov/table?g=1600000US1747007&tid=DECENNIALSF12000.P004|website=[[United States Census Bureau]] |access-date= }}</ref>
!Pop 2010<ref name=2010CensusP2>{{Cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Markham city, Illinois |url=https://data.census.gov/cedsci/table?q=p2&g=1600000US1747007&tid=DECENNIALPL2010.P2|website=[[United States Census Bureau]]}}</ref>
!{{partial|Pop 2020}}<ref name=2020CensusP2>{{Cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Markham city, Illinois |url=https://data.census.gov/cedsci/table?q=p2&g=1600000US1747007&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]]}}</ref>
!% 1970
!% 1980
!% 1990
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|7,946
|4,316
|2,860
|2,062
|1,275
|style='background: #ffffe6; |823
|49.70%
|28.45%
|21.77%
|16.34%
|10.19%
|style='background: #ffffe6; |7.06%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|7,981
|10,545
|10,045
|9,903
|10,076
|style='background: #ffffe6; |8,420
|49.92%
|69.50%
|76.47%
|78.47%
|80.56%
|style='background: #ffffe6; |72.21%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|27
|25 <ref>Compiliation of American Indian, Eskimo, Aleut categories</ref>
|41
|13
|15
|style='background: #ffffe6; |11
|0.17%
|0.16%
|0.31%
|0.10%
|0.12%
|style='background: #ffffe6; |0.09%
|-
|[[Asian Americans|Asian]] alone (NH)
|8 
|24 <ref>Compiliation of Japanese, Chinese, Filipino, Korean, Asian Indian, and Vietnamese categories. Other Asian groups would be included in the Some Other Race category</ref>
|0
|75
|84
|style='background: #ffffe6; |103
|0.05%
|0.16%
|0.00%
|0.59%
|0.67%
|style='background: #ffffe6; |0.88%
|-
|[[Native Hawaiian]] or [[Pacific Islander Americans|Pacific Islander]] alone (NH)
|x 
|0 <ref>Compiliation of Hawaiian, Guamanian, and Samoan categories. Other Pacific Islander groups would be included in the Some Other Race category</ref>
|0 <ref>Derived from extracting Pacific Islander population from Asian population</ref>
|2
|8
|style='background: #ffffe6; |0
|x
|0.00%
|0.00%
|0.02%
|0.06%
|style='background: #ffffe6; |0.00%
|-
|[[Race and ethnicity in the United States census|Other race]] alone (NH)
|25
|45
|9
|7
|22
|style='background: #ffffe6; |32
|0.16%
|0.30%
|0.07%
|0.06%
|0.18%
|style='background: #ffffe6; |0.27%
|-
|[[Multiracial Americans|Mixed race or Multiracial]] (NH)
|x <ref>Not an option in the 1970 Census</ref>
|x <ref>Not an option in the 1980 Census</ref>
|x <ref>Not an option in the 1990 Census</ref>
|162
|191
|style='background: #ffffe6; |258
|x
|x
|x
|1.28%
|1.53%
|style='background: #ffffe6; |2.21%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|x
|217
|181
|396
|837
|style='background: #ffffe6; |2,014
|x
|1.43% <ref>Listed as Spanish origin in the 1980 Census. Racial identification for Hispanics only consisted of White, Black, and Some Other Race; hence, a small number of Latinos may be also be included in the counts for Asian, Native American, and Pacific Islander</ref>
|1.38%
|3.14%
|6.69%
|style='background: #ffffe6; |17.57%
|-
|'''Total'''
|'''15,987'''
|'''15,172'''
|'''13,136'''
|'''12,620'''
|'''12,508'''
|style='background: #ffffe6; |'''11,661'''
|'''100.00%'''
|'''100.00%'''
|'''100.00%'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

As of the [[2020 United States census|2020 census]]<ref>{{Cite web |title=Explore Census Data |url=https://data.census.gov/cedsci/profile?g=1600000US1747007 |access-date=2022-06-28 |website=data.census.gov}}</ref> there were 11,661 people, 3,832 households, and 2,821 families residing in the city. The population density was {{Convert|2,157.45|PD/sqmi|PD/km2}}. There were 4,283 housing units at an average density of {{Convert|792.41|/sqmi|/km2}}. The racial makeup of the city was 72.93% [[African American (U.S. Census)|African American]], 8.88% [[White (U.S. Census)|White]], 0.91% [[Asian (U.S. Census)|Asian]], 0.39% [[Native American (U.S. Census)|Native American]], 10.26% from [[Race (United States Census)|other races]], and 6.64% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 17.27% of the population.

There were 3,832 households, out of which 39.9% had children under the age of 18 living with them, 28.42% were married couples living together, 37.42% had a female householder with no husband present, and 26.38% were non-families. 23.12% of all households were made up of individuals, and 10.15% had someone living alone who was 65 years of age or older. The average household size was 3.84 and the average family size was 3.23.

The city's age distribution consisted of 31.2% under the age of 18, 9.5% from 18 to 24, 24.3% from 25 to 44, 21.4% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 32.0 years. For every 100 females, there were 87.3 males. For every 100 females age 18 and over, there were 73.8 males.

The median income for a household in the city was $42,050, and the median income for a family was $45,880. Males had a median income of $28,214 versus $29,815 for females. The [[per capita income]] for the city was $19,580. About 17.4% of families and 20.9% of the population were below the [[poverty line]], including 37.6% of those under age 18 and 14.8% of those age 65 or over.