Illinois · Census place 1701270

Amboy, Illinois

Amboy is a city in Lee County, Illinois with an estimated 2,224 residents on July 1, 2024. It is the 461st largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
2,224
#461 of 651 in Illinois
Change since 2020
-2.3%
-52 people
Land area
6.2 sq mi
Density
358 / sq mi
State median 2,177
Orange pin: Amboy. Shaded: its county. Dark pin: Springfield.

Amboy population, 2020 to 2024

Amboy lost 52 residents from July 2020 to July 2024, a change of -2.3%. In the latest year it moved by -8.

2,27620202,28320212,25820222,23220232,2242024
July 1 estimates. The April 2020 estimates base was 2,282. The axis starts above zero so yearly changes are visible.

Amboy covers 6.21 square miles of land, for 358 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Amboy is less dense than the typical town.

What county Amboy is in

All of Amboy's residents live in Lee County, which had 33,544 residents in 2024. Amboy holds 6.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Amboy

2 ZIP Code Tabulation Areas (ZCTAs) overlap Amboy by at least 10% of the ZCTA's or the city's land: 61021, 61310. 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 Amboy is

The Census internal point of Amboy is at 41.715900, -89.340900. Springfield, the capital, is 134.7 miles S in a straight line. The nearest larger place is Dixon, IL (15,156 people), 11.2 miles away. The nearest city of 100,000 or more is Rockford, IL, 40.1 miles away.

Internal point

Decimal
41.715900, -89.340900
DMS
41°42'57.24"N 89°20'27.24"W
UTM
16N 305266.0E 4620881.6N
Geohash
dp2mqfpuw
Plus code
86HGPM85+9J

Daylight in Amboy

At 41.72° N, Amboy gets about 15 h 13 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 04 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Amboy

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Dixon, 11.3 miles away, with 15,156 people.

Questions people ask

What is the population of Amboy, IL?

2,224 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 52 (2.3%) from 2,276 in July 2020.

What county is Amboy in?

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

What ZIP codes cover Amboy?

2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 61021, 61310.

How far is Amboy from Springfield?

134.7 miles (216.7 km) in a straight line, heading S from Amboy.

What is the nearest larger city to Amboy?

Dixon, IL, with 15,156 residents, 11.2 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.