Editing Aliquippa, Pennsylvania (section)

==Demographics==
{{update|section|reason=Newer demographic information is available from the 2020 Census report|date=September 2021}}

{{US Census population
|1900= 620
|1910= 1743
|1920= 2931
|1930= 27116
|1940= 27023
|1950= 26132
|1960= 26369
|1970= 22277
|1980= 17094
|1990= 13374
|2000= 11734
|2010= 9438
|2020= 9238
|footnote=Sources:<ref>{{Cite web |url=https://www.census.gov/prod/www/abs/decennial/1940.html|title=1940 US Census|access-date=December 12, 2017|archive-url=https://web.archive.org/web/20100327062101/http://www.census.gov/prod/www/abs/decennial/1940.html|archive-date=March 27, 2010|url-status=dead }}</ref><ref>{{Cite web|url=https://www.census.gov/prod/www/abs/decennial/1960.html|title=1960 US Census|access-date=December 12, 2017|archive-url=https://web.archive.org/web/20130123094157/http://www.census.gov/prod/www/abs/decennial/1960.html|archive-date=January 23, 2013|url-status=dead }}</ref><ref>{{Cite web|url=https://www.census.gov/prod/cen1990/cph2/cph-2-1-1.pdf|title=1990 US Census|access-date=December 12, 2017|archive-date=October 16, 2010|archive-url=https://web.archive.org/web/20101016035033/http://www.census.gov/prod/cen1990/cph2/cph-2-1-1.pdf|url-status=live }}</ref><ref name="GR2">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=January 31, 2008|title=U.S. Census website|archive-date=December 27, 1996|archive-url=https://web.archive.org/web/19961227012639/https://www.census.gov/|url-status=live}}</ref><ref name="QuickFacts2020"/><ref name="USCensusDecennial2020CenPopScriptOnly">{{cite web|url=https://api.census.gov/data/2020/dec/pl?get=P1_001N,NAME&for=place:*&in=state:42&key=5ccd0821c15d9f4520e2dcc0f8d92b2ec9336108|title=Census Population API|publisher=United States Census Bureau|access-date=October 12, 2022}}</ref>
}}

The city's population peaked in the 1930s. Since then, it has declined by two-thirds to just over 9,000 people, from a high of 27,116 in the 1930 census.

As of the [[2010 United States census|2010 census]], the city had 9,438 people. The [[Race and ethnicity in the United States census|racial makeup]] of the city was 57.6% White, 38.6% Black or African American, 0.1% Native American, 0.4% Asian, and 2.8% were two or more races. 1.3% of the population was of Hispanic or Latino ancestry.<ref>{{Cite web |url=https://www.usatoday.com/news/nation/census/profile/PA |title=USA Today Census profile |website=[[USA Today]] |access-date=August 24, 2017 |archive-date=February 15, 2012 |archive-url=https://web.archive.org/web/20120215053518/http://www.usatoday.com/news/nation/census/profile/PA |url-status=live }}</ref>

As of the [[2000 United States census|2000 census]],<ref name="GR2" /> there were 11,734 people, 5,124 households, and 3,176 families residing in the city. The population density was {{convert|2,867.7|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 5,843 housing units at an average density of {{convert|1,428.0|/sqmi|/km2|sp=us|adj=off}}. The racial makeup was 62.59% White, 35.52% African American, 0.07% Native American, 0.18% Asian, 0.03% Pacific Islander, 0.18% from other races, and 1.43% from two or more races. Hispanic or Latino of any race were 1.00% of the population.

There were 5,124 households, out of which 24.4% had children under the age of 18 living with them, 35.7% were married couples living together, 21.6% had a female householder with no husband present, and 38.0% were non-families. Of all households 35.0% were made up of individuals, and 17.1% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.92.

In the city, the population was spread out, with 23.5% under the age of 18, 7.6% from 18 to 24, 25.5% from 25 to 44, 20.9% from 45 to 64, and 22.5% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 82.7 males. For every 100 females age 18 and over, there were 77.2 males.

The median income for a household in the city was $25,113, and the median income for a family was $34,003. Males had a median income of $27,954 versus $21,358 for females. The [[per capita income]] for the city was $13,718. About 17.7% of families and 21.7% of the population were below the [[poverty line]], including 36.3% of those under age 18 and 10.9% of those age 65 or over.