The City of Johnston City had a population of 3,436 as of July 1, 2020.
The primary coordinate point for Johnston City is located at latitude 37.8206 and longitude -88.9276 in Williamson County. The formal boundaries for the City of Johnston City encompass a land area of 2.09 sq. miles and a water area of 0.06 sq. miles. Williamson County is in the Central time zone (GMT -6). The elevation is 433 feet.
The City of Johnston City (GNIS ID: 2395475) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
|Total Population||3,436 (100%)|
|Population in Households||3,429 (99.8%)|
|Population in Families||2,674 (77.8%)|
|Population in Group Quarters1||7 ( 0.2%)|
|Median Household Income||$32,278|
|Average Household Income||$42,260|
|% of Income for Mortgage4||9%|
|Per Capita Income||$18,069|
|Total HU (Housing Units)||1,720 (100%)|
|Owner Occupied HU||952 (55.3%)|
|Renter Occupied HU||514 (29.9%)|
|Vacant Housing Units||254 (14.8%)|
|Median Home Value||$69,135|
|Average Home Value||$76,786|
|Housing Affordability Index3||243|
|Average Household Size||2.34|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.36%|
|Per Capita Income||1.86%|
|Owner Occupied HU||-0.21%|
The table below compares Johnston City to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 411||70th|
|Population Density||# 399||71st|
|Median Household Income||# 1345||2nd|
|Housing Affordability Index||# 744||54th|
|Per Capita Income||# 1331||3rd|
|Diversity Index||# 883||35th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.