Thornburg, IA Demographics

A map of Thornburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	46	44	83.6%	97.8%
Hispanic	9	0	16.4%	0.0%
Black	0	1	0.0%	2.2%
Asian	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%
Multiracial	0	0	0.0%	0.0%

Thornburg, Iowa has an estimated population of 55, a large increase from the 45 recorded in the 2020 Census. The population is 83.6% White, 16.4% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Thornburg, with one dot drawn for each person counted by the Census, color-coded by race.

Thornburg has become considerably more racially diverse since the 2020 Census. It is 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 Thornburg, that probability was 4.3% in 2020 and 27.4% in the most recent ACS estimates.

Thornburg is ranked the 934th 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). Thornburg was ranked the 963rd most populous place in the 2020 Census.

Thornburg's White Population

46 residents of Thornburg, or 83.6% of the population, identify as White. The share of White residents in Thornburg is comparable to the share in Iowa overall, where 82.3% of the population is White. Thornburg ranks 61st statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Thornburg's White population has grown by an estimated 4.5%. White residents' share of Thornburg's population has decreased from 97.8% to 83.6%.

Thornburg is less White than neighboring What Cheer (92.4% White), Gibson (98.5% White), Keswick (96.5% White), Deep River (98.2% White), and Delta (86% White).

Thornburg's Black Population

0 residents of Thornburg, or 0.0% of the population, identify as Black. The share of Black residents in Thornburg is slightly lower than in Iowa overall, where 3.8% of the population is Black. Thornburg ranks 88th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Thornburg's Black population has declined by an estimated 100.0%. Black residents' share of Thornburg's population has decreased from 2.2% to 0.0%.

Thornburg is less Black than neighboring What Cheer (0.9% Black), and Delta (2.2% Black).

Thornburg's Asian Population

0 residents of Thornburg, or 0.0% of the population, identify as Asian. The share of Asian residents in Thornburg is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Thornburg ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

Thornburg is less Asian than neighboring Deep River (0.3% Asian).

Thornburg's Hispanic Population

9 residents of Thornburg, or 16.4% of the population, identify as Hispanic. The share of Hispanic residents in Thornburg is higher than in Iowa overall, where 7.3% of the population is Hispanic. Thornburg ranks 933rd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Thornburg's Hispanic population has grown from 0 to an estimated 9. Hispanic residents' share of Thornburg's population has increased from 0.0% to 16.4%.

Thornburg is more Hispanic than neighboring What Cheer (3.6% Hispanic), Gibson (1.5% Hispanic), Keswick (3.5% Hispanic), Deep River (0% Hispanic), and Delta (6.6% Hispanic).

Thornburg's Native American/Other Population

0 residents of Thornburg, 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 Thornburg is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Thornburg ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Thornburg's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Thornburg's population has remained roughly unchanged at 0.0%.

Thornburg is less Native American/Other than neighboring Delta (0.3% Native American/Other).

Thornburg's Multiracial Population

0 residents of Thornburg, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Thornburg is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Thornburg ranks 960th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

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

Thornburg is less Multiracial than neighboring What Cheer (3.1% Multiracial), Deep River (1.5% Multiracial), and Delta (5% 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.