Illinois · Census place 1740416

Knoxville, Illinois

Knoxville is a city in Knox County, Illinois with an estimated 2,840 residents on July 1, 2024. It is the 423rd largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
2,840
#423 of 651 in Illinois
Change since 2020
-1.9%
-54 people
Land area
2.4 sq mi
Density
1,209 / sq mi
State median 2,177
Orange pin: Knoxville. Shaded: its county. Dark pin: Springfield.

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Tools and pages that start from Knoxville

Knoxville population, 2020 to 2024

Knoxville lost 54 residents from July 2020 to July 2024, a change of -1.9%. In the latest year it moved by +6.

2,89420202,87220212,83520222,83420232,8402024
July 1 estimates. The April 2020 estimates base was 2,903. The axis starts above zero so yearly changes are visible.

Knoxville covers 2.35 square miles of land, for 1,209 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Knoxville is less dense than the typical town.

What county Knoxville is in

All of Knoxville's residents live in Knox County, which had 48,716 residents in 2024. Knoxville holds 5.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Knoxville

1 ZIP Code Tabulation Area (ZCTA) overlaps Knoxville by at least 10% of the ZCTA's or the city's land: 61448. 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 Knoxville is

The Census internal point of Knoxville is at 40.906900, -90.285700. Springfield, the capital, is 84.7 miles SSE in a straight line. The nearest larger place is Galesburg, IL (29,289 people), 5.6 miles away. The nearest city of 100,000 or more is Peoria, IL, 36.5 miles away.

Internal point

Decimal
40.906900, -90.285700
DMS
40°54'24.84"N 90°17'8.52"W
UTM
15N 728610.0E 4531969.5N
Geohash
9zrb9qzgy
Plus code
86GFWP47+QP

Daylight in Knoxville

At 40.91° N, Knoxville gets about 15 h 07 min of daylight around the June solstice and 9 h 14 min around the December solstice, a swing of 5 h 53 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Knoxville

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Galesburg, 5.6 miles away, with 29,289 people.

Questions people ask

What is the population of Knoxville, IL?

2,840 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 54 (1.9%) from 2,894 in July 2020.

What county is Knoxville in?

Knox County. All of its residents live in that county.

What ZIP codes cover Knoxville?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 61448.

How far is Knoxville from Springfield?

84.7 miles (136.3 km) in a straight line, heading SSE from Knoxville.

What is the nearest larger city to Knoxville?

Galesburg, IL, with 29,289 residents, 5.6 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.