Williamsburg, IA Demographics

A map of Williamsburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,090	3,050	92.0%	91.2%
Hispanic	270	120	8.0%	3.6%
Black	0	16	0.0%	0.5%
Asian	0	36	0.0%	1.1%
Native American/Other	0	14	0.0%	0.4%
Multiracial	0	110	0.0%	3.3%

Williamsburg, Iowa has an estimated population of 3,360, a less than 1% change from the 3,346 recorded in the 2020 Census. The population is 92.0% White, 8.0% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Williamsburg, with one dot drawn for each person counted by the Census, color-coded by race.

Williamsburg has become less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Williamsburg, that probability was 16.7% in 2020 and 14.8% in the most recent ACS estimates.

Williamsburg is ranked the 115th most populous place in Iowa, out of 1,026 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). Williamsburg was ranked the 116th most populous place in the 2020 Census.

Williamsburg's White Population

3,090 residents of Williamsburg, or 92.0% of the population, identify as White. The share of White residents in Williamsburg is higher than in Iowa overall, where 82.3% of the population is White. Williamsburg ranks 677th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Williamsburg's White population has grown by an estimated 1.3%. White residents' share of Williamsburg's population has increased from 91.2% to 92.0%.

Williamsburg is more White than neighboring Parnell (66.7% White). Williamsburg is less White than neighboring Conroy (100% White), South Amana (100% White), Marengo (94.9% White), and West Amana (92.7% White).

Williamsburg's Black Population

0 residents of Williamsburg, or 0.0% of the population, identify as Black. The share of Black residents in Williamsburg is slightly lower than in Iowa overall, where 3.8% of the population is Black. Williamsburg ranks 393rd statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Williamsburg's Black population has declined by an estimated 100.0%. Black residents' share of Williamsburg's population has decreased from 0.5% to 0.0%.

Williamsburg is less Black than neighboring Marengo (1.1% Black).

Williamsburg's Asian Population

0 residents of Williamsburg, or 0.0% of the population, identify as Asian. The share of Asian residents in Williamsburg is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Williamsburg ranks 125th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Williamsburg's Asian population has declined by an estimated 100.0%. Asian residents' share of Williamsburg's population has decreased from 1.1% to 0.0%.

Williamsburg's Hispanic Population

270 residents of Williamsburg, or 8.0% of the population, identify as Hispanic. The share of Hispanic residents in Williamsburg is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Williamsburg ranks 341st statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Williamsburg's Hispanic population has grown by an estimated 125.0%. Hispanic residents' share of Williamsburg's population has increased from 3.6% to 8.0%.

Williamsburg is more Hispanic than neighboring Conroy (0% Hispanic), South Amana (0% Hispanic), Marengo (0.3% Hispanic), and West Amana (0% Hispanic). Williamsburg is less Hispanic than neighboring Parnell (30.4% Hispanic).

Williamsburg's Native American/Other Population

0 residents of Williamsburg, 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 Williamsburg is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Williamsburg ranks 396th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

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

Williamsburg is less Native American/Other than neighboring Parnell (0.7% Native American/Other), Marengo (0.8% Native American/Other), and West Amana (7.3% Native American/Other).

Williamsburg's Multiracial Population

0 residents of Williamsburg, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Williamsburg is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Williamsburg ranks 345th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Williamsburg's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Williamsburg's population has decreased from 3.3% to 0.0%.

Williamsburg is less Multiracial than neighboring Parnell (2.3% Multiracial), and Marengo (2.9% 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.