Andover, IL Demographics

A map of Andover's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	370	531	85.3%	95.7%
Multiracial	49	15	11.3%	2.7%
Hispanic	12	8	2.8%	1.4%
Asian	3	0	0.7%	0.0%
Black	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.2%

Andover, Illinois has an estimated population of 434, a large decrease from the 555 recorded in the 2020 Census. The population is 85.3% White, 11.3% Multiracial, 2.8% Hispanic, 0.7% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Andover, with one dot drawn for each person counted by the Census, color-coded by race.

Andover has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Andover, that probability was 8.4% in 2020 and 26.0% in the most recent ACS estimates.

Andover is ranked the 980th most populous place in Illinois, out of 1,461 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Andover was ranked the 875th most populous place in the 2020 Census.

Andover's White Population

370 residents of Andover, or 85.3% of the population, identify as White. The share of White residents in Andover is significantly higher than in Illinois overall, where 58.1% of the population is White. Andover ranks 138th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's White population has declined by an estimated 30.3%. White residents' share of Andover's population has decreased from 95.7% to 85.3%.

Andover is more White than neighboring Ophiem (84.8% White). Andover is less White than neighboring Osco (100% White), Lynn Center (100% White), Cambridge (88.3% White), and Orion (89.4% White).

Andover's Black Population

0 residents of Andover, or 0.0% of the population, identify as Black. The share of Black residents in Andover is considerably lower than in Illinois overall, where 13.3% of the population is Black. Andover ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's Black population has grown from 0 to an estimated 0. Black residents' share of Andover's population has remained roughly unchanged at 0.0%.

Andover is less Black than neighboring Cambridge (1.8% Black).

Andover's Asian Population

3 residents of Andover, or 0.7% of the population, identify as Asian. The share of Asian residents in Andover is lower than in Illinois overall, where 5.9% of the population is Asian. Andover ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's Asian population has grown from 0 to an estimated 3. Asian residents' share of Andover's population has increased from 0.0% to 0.7%.

Andover is more Asian than neighboring Osco (0% Asian), Lynn Center (0% Asian), and Ophiem (0% Asian). Andover is less Asian than neighboring Cambridge (1.4% Asian), and Orion (1.2% Asian).

Andover's Hispanic Population

12 residents of Andover, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Andover is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Andover ranks 1131st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's Hispanic population has grown by an estimated 50.0%. Hispanic residents' share of Andover's population has increased from 1.4% to 2.8%.

Andover is more Hispanic than neighboring Osco (0% Hispanic), Lynn Center (0% Hispanic), Cambridge (0% Hispanic), and Ophiem (0% Hispanic). Andover is less Hispanic than neighboring Orion (4% Hispanic).

Andover's Native American/Other Population

0 residents of Andover, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Andover is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Andover ranks 1051st statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Andover's population has remained roughly unchanged at 0.0%.

Andover is less Native American/Other than neighboring Orion (0.3% Native American/Other).

Andover's Multiracial Population

49 residents of Andover, or 11.3% of the population, identify as Multiracial. The share of Multiracial residents in Andover is higher than in Illinois overall, where 3.4% of the population is Multiracial. Andover ranks 1041st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Andover's Multiracial population has grown by an estimated 226.7%. Multiracial residents' share of Andover's population has increased from 2.7% to 11.3%.

Andover is more Multiracial than neighboring Osco (0% Multiracial), Lynn Center (0% Multiracial), Cambridge (8.6% Multiracial), and Orion (5.1% Multiracial). Andover is less Multiracial than neighboring Ophiem (15.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.