Garnavillo, IA Demographics

A map of Garnavillo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	786	710	96.3%	93.1%
Hispanic	16	37	2.0%	4.8%
Multiracial	11	7	1.3%	0.9%
Native American/Other	3	2	0.4%	0.3%
Black	0	7	0.0%	0.9%
Asian	0	0	0.0%	0.0%

Garnavillo, Iowa has an estimated population of 816, an increase from the 763 recorded in the 2020 Census. The population is 96.3% White, 2.0% Hispanic, 1.3% Multiracial, 0.4% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Garnavillo, with one dot drawn for each person counted by the Census, color-coded by race.

Garnavillo has become considerably 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 Garnavillo, that probability was 13.2% in 2020 and 7.2% in the most recent ACS estimates.

Garnavillo is ranked the 343rd 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). Garnavillo was ranked the 353rd most populous place in the 2020 Census.

Garnavillo's White Population

786 residents of Garnavillo, or 96.3% of the population, identify as White. The share of White residents in Garnavillo is considerably higher than in Iowa overall, where 82.3% of the population is White. Garnavillo ranks 511th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Garnavillo's White population has grown by an estimated 10.7%. White residents' share of Garnavillo's population has increased from 93.1% to 96.3%.

Garnavillo is more White than neighboring Bagley (91.1% White), and Guttenberg (93% White). Garnavillo is less White than neighboring Clayton (100% White), Garber (98.1% White), and Elkport (100% White).

Garnavillo's Black Population

0 residents of Garnavillo, or 0.0% of the population, identify as Black. The share of Black residents in Garnavillo is slightly lower than in Iowa overall, where 3.8% of the population is Black. Garnavillo ranks 224th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Garnavillo's Black population has declined by an estimated 100.0%. Black residents' share of Garnavillo's population has decreased from 0.9% to 0.0%.

Garnavillo is less Black than neighboring Bagley (2.4% Black), and Guttenberg (0.7% Black).

Garnavillo's Asian Population

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

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

Garnavillo's Hispanic Population

16 residents of Garnavillo, or 2.0% of the population, identify as Hispanic. The share of Hispanic residents in Garnavillo is lower than in Iowa overall, where 7.3% of the population is Hispanic. Garnavillo ranks 237th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Garnavillo's Hispanic population has declined by an estimated 56.8%. Hispanic residents' share of Garnavillo's population has decreased from 4.8% to 2.0%.

Garnavillo is more Hispanic than neighboring Clayton (0% Hispanic), Garber (0% Hispanic), and Elkport (0% Hispanic). Garnavillo is less Hispanic than neighboring Bagley (5.6% Hispanic), and Guttenberg (5.5% Hispanic).

Garnavillo's Native American/Other Population

3 residents of Garnavillo, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Garnavillo is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Garnavillo ranks 514th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Garnavillo's Native American/Other population has grown by an estimated 50.0%. Native American/Other residents' share of Garnavillo's population has remained roughly unchanged at 0.4%.

Garnavillo is more Native American/Other than neighboring Clayton (0% Native American/Other), Garber (0% Native American/Other), Elkport (0% Native American/Other), Bagley (0% Native American/Other), and Guttenberg (0% Native American/Other).

Garnavillo's Multiracial Population

11 residents of Garnavillo, or 1.3% of the population, identify as Multiracial. The share of Multiracial residents in Garnavillo is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Garnavillo ranks 902nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Garnavillo's Multiracial population has grown by an estimated 57.1%. Multiracial residents' share of Garnavillo's population has remained roughly unchanged at 1.3%.

Garnavillo is more Multiracial than neighboring Clayton (0% Multiracial), Elkport (0% Multiracial), Bagley (0.9% Multiracial), and Guttenberg (0.8% Multiracial). Garnavillo is less Multiracial than neighboring Garber (1.9% 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.