Hancock County Demographics

A map of Hancock County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	9,618	9,813	90.1%	90.9%
Hispanic	635	614	6.0%	5.7%
Multiracial	207	242	1.9%	2.2%
Asian	98	25	0.9%	0.2%
Native American/Other	65	25	0.6%	0.2%
Black	48	76	0.4%	0.7%

Hancock County, Iowa has an estimated population of 10,671, a slight decrease from the 10,795 recorded in the 2020 Census. The population is 90.1% White, 6.0% Hispanic, 1.9% Multiracial, 0.9% Asian, 0.6% Native American/Other, and 0.4% Black. This demographic dot map shows the population of Hancock County, with one dot drawn for each person counted by the Census, color-coded by race.

Hancock 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 Hancock County, that probability was 17.0% in 2020 and 18.4% in the most recent ACS estimates.

Hancock County is ranked the 69th most populous county in Iowa, out of 99 counties. Hancock County was ranked the 68th most populous county in the 2020 Census.

Hancock County's White Population

9,618 residents of Hancock County, or 90.1% of the population, identify as White. The share of White residents in Hancock County is higher than in Iowa overall, where 82.3% of the population is White. Hancock County ranks 58th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's White population has declined by an estimated 2.0%. White residents' share of Hancock County's population has decreased from 90.9% to 90.1%.

Hancock County is more White than neighboring Winnebago County (89% White), Wright County (75.5% White), and Cerro Gordo County (88.2% White). Hancock County is less White than neighboring Kossuth County (91.7% White), and Worth County (93.3% White).

Hancock County's Black Population

48 residents of Hancock County, or 0.4% of the population, identify as Black. The share of Black residents in Hancock County is slightly lower than in Iowa overall, where 3.8% of the population is Black. Hancock County ranks 51st statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's Black population has declined by an estimated 36.8%. Black residents' share of Hancock County's population has remained roughly unchanged at 0.4%.

Hancock County is less Black than neighboring Winnebago County (2% Black), Cerro Gordo County (1.9% Black), Kossuth County (0.7% Black), and Worth County (0.8% Black).

Hancock County's Asian Population

98 residents of Hancock County, or 0.9% of the population, identify as Asian. The share of Asian residents in Hancock County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Hancock County ranks 87th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's Asian population has grown by an estimated 292.0%. Asian residents' share of Hancock County's population has increased from 0.2% to 0.9%.

Hancock County is more Asian than neighboring Wright County (0.5% Asian), Kossuth County (0.4% Asian), and Worth County (0.4% Asian). Hancock County is less Asian than neighboring Winnebago County (1.3% Asian), and Cerro Gordo County (1.2% Asian).

Hancock County's Hispanic Population

635 residents of Hancock County, or 6.0% of the population, identify as Hispanic. The share of Hispanic residents in Hancock County is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Hancock County ranks 26th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's Hispanic population has grown by an estimated 3.4%. Hispanic residents' share of Hancock County's population has remained roughly unchanged at 6.0%.

Hancock County is more Hispanic than neighboring Winnebago County (5.8% Hispanic), Cerro Gordo County (5.6% Hispanic), Kossuth County (4.5% Hispanic), and Worth County (3.5% Hispanic). Hancock County is less Hispanic than neighboring Wright County (19.9% Hispanic).

Hancock County's Native American/Other Population

65 residents of Hancock County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hancock County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Hancock County ranks 86th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's Native American/Other population has grown by an estimated 160.0%. Native American/Other residents' share of Hancock County's population has remained roughly unchanged at 0.6%.

Hancock County is more Native American/Other than neighboring Winnebago County (0.3% Native American/Other), Kossuth County (0.3% Native American/Other), and Worth County (0.1% Native American/Other). Hancock County is less Native American/Other than neighboring Wright County (1.4% Native American/Other), and Cerro Gordo County (0.8% Native American/Other).

Hancock County's Multiracial Population

207 residents of Hancock County, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Hancock County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Hancock County ranks 68th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Hancock County's Multiracial population has declined by an estimated 14.5%. Multiracial residents' share of Hancock County's population has remained roughly unchanged at 1.9%.

Hancock County is more Multiracial than neighboring Winnebago County (1.5% Multiracial), and Worth County (1.8% Multiracial). Hancock County is less Multiracial than neighboring Wright County (2.2% Multiracial), Cerro Gordo County (2.2% Multiracial), and Kossuth County (2.4% 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.