Quincy Population History 1860 - 2023

Quincy Population Facts

What is the current population of Quincy?

Based on the latest 2024 data from the US census, the current population of Quincy is 38,803. Quincy, Illinois is the 1,038th largest city in the US.

What county is Quincy, Illinois in?

Quincy is located entirely in Adams County.

What is the size of Quincy, Illinois in square miles?

Quincy has an area of 15.9 square miles.

What was the peak population of Quincy?

The peak population of Quincy was in 2000, when its population was 40,686. In 2000, Quincy was the 783rd largest city in the US; now its fallen to the 1,038th largest city in the US. Quincy is currently 4.6% smaller than it was in 2000.

How quickly is Quincy shrinking?

Quincy has shrunk 4.6% since the year 2000. Quincy, Illinois's growth is extremely below average. 91% of similarly sized cities are growing faster since 2000.

What is the population density of Quincy, Illinois?

Quincy has a population density of 2,554.1 people per square mile.

Quincy Demographics

What is the voting age population of Quincy, Illinois?

The total voting age population of Quincy, Illinois, meaning US citizens 18 or older, is 31,441. The voting age population is 46.9% male and 53.1% female.

What percentage of Quincy, Illinois residents are senior citizens?

According to the latest census statistics, 20.9% of the residents of Quincy are 65 or older.

What are the racial demographics of Quincy, Illinois?

The racial demographics of Quincy are 90.0% White, 6.4% Black, 2.3% Two or more races, 0.8% Asian, 0.2% American Indian and 0.2% Other. Additionally, 1.8% of the population identifies as Hispanic.

What percentage of Quincy, Illinois residents are below the poverty line?

In Quincy, 15.2% of residents have an income below the poverty line, and the child poverty rate is 23.0%. On a per-household basis, 11.3% of families are below the poverty line in Quincy.

What percentage of Quincy, Illinois residents are in the labor force?

Among those aged 16 and older, 63.5% of Quincy residents are in the labor force.

What are the education levels among Quincy, Illinois residents?

Among the adult population 25 years old and over, 91.6% of Quincy residents have at least a high school degree or equivalent, 23.9% have a bachelor's degree and 8.5% have a graduate or professional degree.

What percentage of Quincy, Illinois residents speak a non-English language at home?

Among Quincy residents aged 5 and older, 1.9% of them speak a non-English language at home. Broken down by language: 0.7% of residents speak Spanish at home, 0.5% speak an Indo-European language, and 0.5% speak an Asian language.

Quincy Income & Labor Statistics

What is the unemployment rate in Quincy, Illinois?

The unemployment rate in Quincy is 5.3%, which is calculated among residents aged 16 or older who are in the labor force.

What percentage of Quincy, Illinois residents work for the government?

In Quincy, 10.1% of the residents in the non-military labor force are employed by the local, state and federal government.

What is the median income in Quincy, Illinois?

The median household income in Quincy is $46,189.

Quincy Housing & Rent Statistics

What percentage of housing units are owner-occupied in Quincy, Illinois?

In Quincy, 64.3% of housing units are occupied by their owners.

What percentage of housing units are rented in Quincy, Illinois?

Renters occupy 35.7% of housing units in Quincy.

What percentage of Quincy, Illinois housing units were built before 1940?

Of all the housing units in Quincy, 29.8% of them were build before 1940.

What percentage of Quincy, Illinois housing units were built after 2000?

In Quincy, 9.8% of the total housing units were built after the year 2000, which is approximately 1,900 units.

What is the median monthly rent in Quincy, Illinois?

The median gross monthly rent payment for renters in Quincy is $710.

What percentage of households in Quincy, Illinois have broadband internet?

In Quincy, 76.6% of households have an active broadband internet connection.