Illinois · Census place 1725141

Fairview Heights, Illinois

Fairview Heights is a city in St. Clair County, Illinois with an estimated 16,115 residents on July 1, 2024. It is the 156th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
16,115
#156 of 651 in Illinois
Change since 2020
-3.3%
-551 people
Land area
11.5 sq mi
+ 0.07 sq mi water
Density
1,406 / sq mi
State median 2,177
Orange pin: Fairview Heights. Shaded: its county. Dark pin: Springfield.

Fairview Heights population, 2020 to 2024

Fairview Heights lost 551 residents from July 2020 to July 2024, a change of -3.3%. In the latest year it moved by -68. Among 330 Illinois places of 5,000 or more, that growth ranks 321st; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Fairview Heights is 1.1 times that size.

16.7k202016.5k202116.3k202216.2k202316.1k2024
July 1 estimates. The April 2020 estimates base was 16,714. The axis starts above zero so yearly changes are visible.

Fairview Heights covers 11.46 square miles of land and 0.07 of water, for 1,406 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Fairview Heights is less dense than the typical town.

What county Fairview Heights is in

All of Fairview Heights's residents live in St. Clair County, which had 251,149 residents in 2024. Fairview Heights holds 6.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Fairview Heights

1 ZIP Code Tabulation Area (ZCTA) overlaps Fairview Heights by at least 10% of the ZCTA's or the city's land: 62208. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Fairview Heights is

The Census internal point of Fairview Heights is at 38.595300, -90.004700. Springfield, the capital, is 84.1 miles NNE in a straight line. The nearest larger place is O'Fallon, IL (32,169 people), 4.8 miles away. The nearest city of 100,000 or more is St. Louis, MO, 13.2 miles away.

Internal point

Decimal
38.595300, -90.004700
DMS
38°35'43.08"N 90°00'16.92"W
UTM
15N 760865.9E 4276124.0N
Geohash
9yzgxfh9f
Plus code
86CFHXWW+44

Daylight in Fairview Heights

At 38.60° N, Fairview Heights gets about 14 h 52 min of daylight around the June solstice and 9 h 28 min around the December solstice, a swing of 5 h 24 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Fairview Heights

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Caseyville, 2.8 miles away, with 4,395 people.

Questions people ask

What is the population of Fairview Heights, IL?

16,115 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 551 (3.3%) from 16,666 in July 2020.

What county is Fairview Heights in?

St. Clair County. All of its residents live in that county.

What ZIP codes cover Fairview Heights?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62208.

How far is Fairview Heights from Springfield?

84.1 miles (135.3 km) in a straight line, heading NNE from Fairview Heights.

What is the nearest larger city to Fairview Heights?

O'Fallon, IL, with 32,169 residents, 4.8 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.