Allamakee County Demographics

A map of Allamakee County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	12,193	12,401	86.5%	88.2%
Hispanic	1,289	1,221	9.1%	8.7%
Multiracial	281	209	2.0%	1.5%
Black	257	146	1.8%	1.0%
Asian	57	41	0.4%	0.3%
Native American/Other	15	43	0.1%	0.3%

Allamakee County, Iowa has an estimated population of 14,092, a less than 1% change from the 14,061 recorded in the 2020 Census. The population is 86.5% White, 9.1% Hispanic, 2.0% Multiracial, 1.8% Black, 0.4% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Allamakee County, with one dot drawn for each person counted by the Census, color-coded by race.

Allamakee has become more 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 Allamakee County, that probability was 21.4% in 2020 and 24.2% in the most recent ACS estimates.

Allamakee County is ranked the 57th most populous county in Iowa, out of 99 counties. Allamakee County was ranked the 57th most populous county in the 2020 Census.

Allamakee County's White Population

12,193 residents of Allamakee County, or 86.5% of the population, identify as White. The share of White residents in Allamakee County is slightly higher than in Iowa overall, where 82.3% of the population is White. Allamakee County ranks 70th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's White population has declined by an estimated 1.7%. White residents' share of Allamakee County's population has decreased from 88.2% to 86.5%.

Allamakee County is less White than neighboring Houston County (93.5% White), Clayton County (95% White), Crawford County (92.7% White), Winneshiek County (93.3% White), and Vernon County (94.3% White).

Allamakee County's Black Population

257 residents of Allamakee County, or 1.8% of the population, identify as Black. The share of Black residents in Allamakee County is comparable to the share in Iowa overall, where 3.8% of the population is Black. Allamakee County ranks 36th statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's Black population has grown by an estimated 76.0%. Black residents' share of Allamakee County's population has increased from 1.0% to 1.8%.

Allamakee County is more Black than neighboring Houston County (0.3% Black), Clayton County (0.6% Black), Crawford County (1.6% Black), Winneshiek County (0.4% Black), and Vernon County (0.3% Black).

Allamakee County's Asian Population

57 residents of Allamakee County, or 0.4% of the population, identify as Asian. The share of Asian residents in Allamakee County is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Allamakee County ranks 76th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's Asian population has grown by an estimated 39.0%. Asian residents' share of Allamakee County's population has remained roughly unchanged at 0.4%.

Allamakee County is more Asian than neighboring Clayton County (0.3% Asian), and Vernon County (0.2% Asian). Allamakee County is less Asian than neighboring Houston County (0.9% Asian), Crawford County (0.5% Asian), and Winneshiek County (0.5% Asian).

Allamakee County's Hispanic Population

1,289 residents of Allamakee County, or 9.1% of the population, identify as Hispanic. The share of Hispanic residents in Allamakee County is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Allamakee County ranks 17th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's Hispanic population has grown by an estimated 5.6%. Hispanic residents' share of Allamakee County's population has remained roughly unchanged at 9.1%.

Allamakee County is more Hispanic than neighboring Houston County (1.5% Hispanic), Clayton County (2.3% Hispanic), Crawford County (2% Hispanic), Winneshiek County (3.1% Hispanic), and Vernon County (1.8% Hispanic).

Allamakee County's Native American/Other Population

15 residents of Allamakee County, 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 Allamakee County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Allamakee County ranks 77th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's Native American/Other population has declined by an estimated 65.1%. Native American/Other residents' share of Allamakee County's population has remained roughly unchanged at 0.1%.

Allamakee County is less Native American/Other than neighboring Houston County (0.3% Native American/Other), Crawford County (0.5% Native American/Other), Winneshiek County (0.5% Native American/Other), and Vernon County (0.4% Native American/Other).

Allamakee County's Multiracial Population

281 residents of Allamakee County, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Allamakee County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Allamakee County ranks 97th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Allamakee County's Multiracial population has grown by an estimated 34.4%. Multiracial residents' share of Allamakee County's population has increased from 1.5% to 2.0%.

Allamakee County is more Multiracial than neighboring Clayton County (1.7% Multiracial). Allamakee County is less Multiracial than neighboring Houston County (3.6% Multiracial), Crawford County (2.8% Multiracial), Winneshiek County (2.2% Multiracial), and Vernon County (3.1% 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.