Pittsburg, IL has a population of 564 and is the 18,815th largest city in the United States. The population density is 272 per sq mi which is 19% higher than the Illinois average and 200% higher than the national average. The median age in Pittsburg is 46 which is approximately 23% higher than the Illinois average of 37. In Pittsburg, 72% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Pittsburg residents were born in Illinois, 10% were born out of state, 1% were born outside of the United States and 1% were foreign born.
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The population density in Pittsburg is 19% higher than Illinois.
The median age in Pittsburg is 23% higher than Illinois.
In Pittsburg 98.94% of the population is White.
In Pittsburg 0.00% of the population is Black or African American.