Cerro Gordo County Demographics

A map of Cerro Gordo County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	37,619	37,819	88.2%	87.7%
Hispanic	2,397	2,243	5.6%	5.2%
Multiracial	950	1,367	2.2%	3.2%
Black	813	848	1.9%	2.0%
Asian	499	535	1.2%	1.2%
Native American/Other	354	315	0.8%	0.7%

Cerro Gordo County, Iowa has an estimated population of 42,632, a slight decrease from the 43,127 recorded in the 2020 Census. The population is 88.2% White, 5.6% Hispanic, 2.2% Multiracial, 1.9% Black, 1.2% Asian, and 0.8% Native American/Other. This demographic dot map shows the population of Cerro Gordo County, with one dot drawn for each person counted by the Census, color-coded by race.

Cerro Gordo has become slightly 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 Cerro Gordo County, that probability was 22.7% in 2020 and 21.7% in the most recent ACS estimates.

Cerro Gordo County is ranked the 13th most populous county in Iowa, out of 99 counties. Cerro Gordo County was ranked the 14th most populous county in the 2020 Census.

Cerro Gordo County's White Population

37,619 residents of Cerro Gordo County, or 88.2% of the population, identify as White. The share of White residents in Cerro Gordo County is higher than in Iowa overall, where 82.3% of the population is White. Cerro Gordo County ranks 72nd statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's White population has remained roughly the same. White residents' share of Cerro Gordo County's population has increased from 87.7% to 88.2%.

Cerro Gordo County is more White than neighboring Franklin County (80.2% White). Cerro Gordo County is less White than neighboring Worth County (93.3% White), Floyd County (88.7% White), Hancock County (90.1% White), and Mitchell County (95.1% White).

Cerro Gordo County's Black Population

813 residents of Cerro Gordo County, or 1.9% of the population, identify as Black. The share of Black residents in Cerro Gordo County is comparable to the share in Iowa overall, where 3.8% of the population is Black. Cerro Gordo County ranks 23rd statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's Black population has declined by an estimated 4.1%. Black residents' share of Cerro Gordo County's population has remained roughly unchanged at 1.9%.

Cerro Gordo County is more Black than neighboring Worth County (0.8% Black), Franklin County (0.7% Black), Floyd County (1.4% Black), Hancock County (0.4% Black), and Mitchell County (0.3% Black).

Cerro Gordo County's Asian Population

499 residents of Cerro Gordo County, or 1.2% of the population, identify as Asian. The share of Asian residents in Cerro Gordo County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Cerro Gordo County ranks 18th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's Asian population has declined by an estimated 6.7%. Asian residents' share of Cerro Gordo County's population has remained roughly unchanged at 1.2%.

Cerro Gordo County is more Asian than neighboring Worth County (0.4% Asian), Franklin County (0.4% Asian), Hancock County (0.9% Asian), and Mitchell County (0.6% Asian). Cerro Gordo County is less Asian than neighboring Floyd County (1.6% Asian).

Cerro Gordo County's Hispanic Population

2,397 residents of Cerro Gordo County, or 5.6% of the population, identify as Hispanic. The share of Hispanic residents in Cerro Gordo County is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Cerro Gordo County ranks 30th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's Hispanic population has grown by an estimated 6.9%. Hispanic residents' share of Cerro Gordo County's population has remained roughly unchanged at 5.6%.

Cerro Gordo County is more Hispanic than neighboring Worth County (3.5% Hispanic), Floyd County (3.9% Hispanic), and Mitchell County (2.4% Hispanic). Cerro Gordo County is less Hispanic than neighboring Franklin County (16.5% Hispanic), and Hancock County (6% Hispanic).

Cerro Gordo County's Native American/Other Population

354 residents of Cerro Gordo County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Cerro Gordo County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Cerro Gordo County ranks 19th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's Native American/Other population has grown by an estimated 12.4%. Native American/Other residents' share of Cerro Gordo County's population has remained roughly unchanged at 0.8%.

Cerro Gordo County is more Native American/Other than neighboring Worth County (0.1% Native American/Other), Franklin County (0.5% Native American/Other), Floyd County (0.1% Native American/Other), Hancock County (0.6% Native American/Other), and Mitchell County (0.3% Native American/Other).

Cerro Gordo County's Multiracial Population

950 residents of Cerro Gordo County, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Cerro Gordo County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Cerro Gordo County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Cerro Gordo County's Multiracial population has declined by an estimated 30.5%. Multiracial residents' share of Cerro Gordo County's population has decreased from 3.2% to 2.2%.

Cerro Gordo County is more Multiracial than neighboring Worth County (1.8% Multiracial), Franklin County (1.8% Multiracial), Hancock County (1.9% Multiracial), and Mitchell County (1.2% Multiracial). Cerro Gordo County is less Multiracial than neighboring Floyd County (4.4% 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.