Augusta, IL Demographics

A map of Augusta's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	659	530	98.5%	95.8%
Hispanic	7	2	1.0%	0.4%
Multiracial	2	18	0.3%	3.3%
Native American/Other	1	1	0.1%	0.2%
Black	0	2	0.0%	0.4%
Asian	0	0	0.0%	0.0%

Augusta, Illinois has an estimated population of 669, a large increase from the 553 recorded in the 2020 Census. The population is 98.5% White, 1.0% Hispanic, 0.3% Multiracial, 0.1% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Augusta, with one dot drawn for each person counted by the Census, color-coded by race.

Augusta has become considerably less 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 Augusta, that probability was 8.0% in 2020 and 3.0% in the most recent ACS estimates.

Augusta is ranked the 833rd 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). Augusta was ranked the 877th most populous place in the 2020 Census.

Augusta's White Population

659 residents of Augusta, or 98.5% of the population, identify as White. The share of White residents in Augusta is significantly higher than in Illinois overall, where 58.1% of the population is White. Augusta ranks 125th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Augusta's White population has grown by an estimated 24.3%. White residents' share of Augusta's population has increased from 95.8% to 98.5%.

Augusta is more White than neighboring Plymouth (89% White), La Prairie (97.9% White), and Bowen (90.9% White). Augusta is less White than neighboring Golden (98.7% White), and Camden (100% White).

Augusta's Black Population

0 residents of Augusta, or 0.0% of the population, identify as Black. The share of Black residents in Augusta is considerably lower than in Illinois overall, where 13.3% of the population is Black. Augusta ranks 942nd statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Augusta's Black population has declined by an estimated 100.0%. Black residents' share of Augusta's population has remained roughly unchanged at 0.0%.

Augusta is less Black than neighboring Plymouth (2.2% Black).

Augusta's Asian Population

0 residents of Augusta, or 0.0% of the population, identify as Asian. The share of Asian residents in Augusta is lower than in Illinois overall, where 5.9% of the population is Asian. Augusta ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

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

Augusta is less Asian than neighboring Plymouth (3.9% Asian), and Golden (0.4% Asian).

Augusta's Hispanic Population

7 residents of Augusta, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Augusta is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Augusta ranks 1377th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Augusta's Hispanic population has grown by an estimated 250.0%. Hispanic residents' share of Augusta's population has increased from 0.4% to 1.0%.

Augusta is more Hispanic than neighboring La Prairie (0% Hispanic), Bowen (0.2% Hispanic), Golden (0% Hispanic), and Camden (0% Hispanic). Augusta is less Hispanic than neighboring Plymouth (4.4% Hispanic).

Augusta's Native American/Other Population

1 residents of Augusta, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Augusta is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Augusta ranks 1049th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Augusta's Native American/Other population has remained roughly the same. Native American/Other residents' share of Augusta's population has remained roughly unchanged at 0.1%.

Augusta is more Native American/Other than neighboring Plymouth (0% Native American/Other), Bowen (0% Native American/Other), Golden (0% Native American/Other), and Camden (0% Native American/Other). Augusta is less Native American/Other than neighboring La Prairie (2.1% Native American/Other).

Augusta's Multiracial Population

2 residents of Augusta, or 0.3% of the population, identify as Multiracial. The share of Multiracial residents in Augusta is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Augusta ranks 831st statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Augusta's Multiracial population has declined by an estimated 88.9%. Multiracial residents' share of Augusta's population has decreased from 3.3% to 0.3%.

Augusta is more Multiracial than neighboring La Prairie (0% Multiracial), and Camden (0% Multiracial). Augusta is less Multiracial than neighboring Plymouth (0.4% Multiracial), Bowen (8.9% Multiracial), and Golden (0.9% 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.