Belknap is a city located in Johnson County Illinois. With a 2020 population of 84, it is the 1314th largest city in Illinois and the 27118th largest city in the United States. Belknap is currently declining at a rate of -2.33% annually and its population has decreased by -40.85% since the most recent census, which recorded a population of 142 in 2020. Spanning over 1 miles, Belknap has a population density of 79 people per square mile.
The average household income in Belknap is $47,296 with a poverty rate of 11.97%. The median rental costs in recent years comes to - per month, and the median house value is $50,700. The median age in Belknap is 34.8 years, 49.5 years for males, and 28.2 years for females.
According to the most recent ACS, the racial composition of Belknapwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among 2+ races people with a rate of 100.00%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 100.00%.
100.00% of Belknap residents speak only English, while 0.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.00% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Belknap is Asian, with 100.00% below the poverty level.
The race least likely to be in poverty in Belknap is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 3.45%, and for those that did not work, the poverty rate was 31.25%.
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 Belknap
100.00% of Belknap residents were born in the United States, with 53.52% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.