Fremont County Demographics

A map of Fremont County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,955	6,145	91.4%	93.0%
Multiracial	302	208	4.6%	3.1%
Hispanic	219	190	3.4%	2.9%
Black	23	10	0.4%	0.2%
Asian	10	8	0.2%	0.1%
Native American/Other	5	44	0.1%	0.7%

Fremont County, Iowa has an estimated population of 6,514, a slight decrease from the 6,605 recorded in the 2020 Census. The population is 91.4% White, 4.6% Multiracial, 3.4% Hispanic, 0.4% Black, 0.2% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Fremont County, with one dot drawn for each person counted by the Census, color-coded by race.

Fremont 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 Fremont County, that probability was 13.3% in 2020 and 16.1% in the most recent ACS estimates.

Fremont County is ranked the 94th most populous county in Iowa, out of 99 counties. Fremont County was ranked the 93rd most populous county in the 2020 Census.

Fremont County's White Population

5,955 residents of Fremont County, or 91.4% of the population, identify as White. The share of White residents in Fremont County is higher than in Iowa overall, where 82.3% of the population is White. Fremont County ranks 37th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's White population has declined by an estimated 3.1%. White residents' share of Fremont County's population has decreased from 93.0% to 91.4%.

Fremont County is more White than neighboring Nemaha County (89.3% White), and Page County (90.3% White). Fremont County is less White than neighboring Mills County (92.7% White), Atchison County (92.6% White), and Montgomery County (92% White).

Fremont County's Black Population

23 residents of Fremont County, or 0.4% of the population, identify as Black. The share of Black residents in Fremont County is slightly lower than in Iowa overall, where 3.8% of the population is Black. Fremont County ranks 96th statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's Black population has grown by an estimated 130.0%. Black residents' share of Fremont County's population has remained roughly unchanged at 0.4%.

Fremont County is more Black than neighboring Atchison County (0.2% Black). Fremont County is less Black than neighboring Nemaha County (1.1% Black), Page County (1.7% Black), and Montgomery County (1.8% Black).

Fremont County's Asian Population

10 residents of Fremont County, or 0.2% of the population, identify as Asian. The share of Asian residents in Fremont County is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Fremont County ranks 98th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's Asian population has grown by an estimated 25.0%. Asian residents' share of Fremont County's population has remained roughly unchanged at 0.2%.

Fremont County is more Asian than neighboring Nemaha County (0.1% Asian). Fremont County is less Asian than neighboring Mills County (0.5% Asian), Atchison County (0.4% Asian), Page County (0.5% Asian), and Montgomery County (1.1% Asian).

Fremont County's Hispanic Population

219 residents of Fremont County, or 3.4% of the population, identify as Hispanic. The share of Hispanic residents in Fremont County is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Fremont County ranks 60th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's Hispanic population has grown by an estimated 15.3%. Hispanic residents' share of Fremont County's population has increased from 2.9% to 3.4%.

Fremont County is more Hispanic than neighboring Atchison County (2.1% Hispanic), Nemaha County (3.3% Hispanic), Page County (3.3% Hispanic), and Montgomery County (0.8% Hispanic). Fremont County is less Hispanic than neighboring Mills County (3.9% Hispanic).

Fremont County's Native American/Other Population

5 residents of Fremont 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 Fremont County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Fremont County ranks 22nd statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's Native American/Other population has declined by an estimated 88.6%. Native American/Other residents' share of Fremont County's population has decreased from 0.7% to 0.1%.

Fremont County is less Native American/Other than neighboring Mills County (0.2% Native American/Other), Atchison County (0.8% Native American/Other), Nemaha County (0.8% Native American/Other), Page County (0.7% Native American/Other), and Montgomery County (1.1% Native American/Other).

Fremont County's Multiracial Population

302 residents of Fremont County, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Fremont County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Fremont County ranks 22nd statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Fremont County's Multiracial population has grown by an estimated 45.2%. Multiracial residents' share of Fremont County's population has increased from 3.1% to 4.6%.

Fremont County is more Multiracial than neighboring Mills County (2.3% Multiracial), Atchison County (3.9% Multiracial), Page County (3.4% Multiracial), and Montgomery County (3.2% Multiracial). Fremont County is less Multiracial than neighboring Nemaha County (5.4% 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.