Illinois Gazetteer
Also See Johnston City, IL: ZIP Codes & Maps
The City of Johnston City had a population of 3,327 as of 2020-2024 American Community Survey 5-Year Estimates.
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 City of Johnston City 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.
The City of Johnston City is located within Lake Creek Election Precinct, a minor civil division (MCD) of Williamson County.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 3,327 (100%) |
| Population Density | 1,572 per sq mi |
| Diversity Index1 | 18 |
INCOME | |
| Median Household Income | $42,465 |
| Per Capita Income | $31,596 |
| Median Home Value | $88,100 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 1,581 (100%) |
| Owner Occupied HU | 1,034 (65.4%) |
| Renter Occupied HU | 415 (26.2%) |
| Vacant Housing Units | 132 (8.3%) |
HOUSEHOLDS | |
| Total Households | 1,449 |
| Average Household Size | 2.29 |
| Family Households | 869 (60.0%) |
The table below compares Johnston City to the other 1,461 incorporated cities, towns and CDPs in Illinois by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 412 | 72nd |
| Population Density | # 401 | 73rd |
| Median Household Income | # 1380 | 6th |
| Per Capita Income | # 907 | 38th |
| Diversity Index | # 763 | 48th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.
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