Columbia is a city located in Monroe County Illinois. With a 2020 population of 11,257, it is the 206th largest city in Illinois and the 3749th largest city in the United States. Columbia is currently growing at a rate of 1.16% annually and its population has increased by 2.35% since the most recent census, which recorded a population of 10,999 in 2020. Spanning over 10 miles, Columbia has a population density of 1,092 people per square mile.
The average household income in Columbia is $127,885 with a poverty rate of 4.61%. The median rental costs in recent years comes to $912 per month, and the median house value is $228,300. The median age in Columbia is 40 years, 39.3 years for males, and 40.7 years for females.
According to the most recent ACS, the racial composition of Columbiawas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 100.00%.
96.89% of Columbia residents speak only English, while 3.11% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.56% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Columbia is Asian, with 63.36% below the poverty level.
The race least likely to be in poverty in Columbia is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.47%. Among those working part-time, it was 6.54%, and for those that did not work, the poverty rate was 13.84%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Columbia
98.47% of Columbia residents were born in the United States, with 46.75% having been born in Illinois. 0.50% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.