How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 4,900 people living in Pulaski County, IL. That makes Pulaski County the 97th-most populous county in Illinois. It is home to 0.04% of people living in the state.

4.88K

population of Pulaski County, IL (2024)

0.04%

County share of the Illinois population (2024)

About 4,900 people lived in Pulaski County, IL in 2024.

Population estimates, 2000–2024

What are Pulaski County, IL’s age demographics?

About 1,200 Pulaski County, IL residents are aged 65 and older in 2024. That represents 24% of its population. For comparison, the age group represents 17.9% of Illinois’ population and 18% in the US overall.
Another 996 Pulaski County residents, or 20.4% of the population, were children under 18. For comparison, the age group represents 21.2% of Illinois’s population and 21.6% in the US overall.


A higher share of Pulaski County, IL's population is aged 65 or older than the US as a whole.

Population estimates by age group, (2024)

What are Pulaski County, IL’s racial and ethnic demographics?

Non-Hispanic white residents make up 63.1% of the Pulaski County, IL population, higher than the national share of 57.5%. Pulaski County, IL also has a larger share of people identifying as non-Hispanic Black or African American (28.4%) than the US overall (12.6%).
In contrast, Pulaski County’s Hispanic population accounts for 4.1%, below the 20% nationwide, and the non-Hispanic Asian population makes up 0.47% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

Pulaski County, IL has a higher share of a non-Hispanic Black or African American population than Illinois as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Pulaski County, IL is Mounds with about 608 residents in 2024.

Cities and towns in Pulaski County, IL ranked by population

Population (2024), includes only portions within county

Cities and towns in Pulaski County, IL ranked by population
City or townPopulation
1.

Mounds 

608
2.

Mound City

481
3.

Ullin 

460
4.

Karnak 

403
5.

Olmsted 

267
6.

New Grand Chain

146
7.

Pulaski 

143
8.

Balance of Pulaski County

2,371

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.