Doniphan County Demographics

A map of Doniphan County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,606	6,614	88.0%	88.1%
Multiracial	379	281	5.1%	3.7%
Hispanic	260	204	3.5%	2.7%
Black	223	266	3.0%	3.5%
Native American/Other	27	113	0.4%	1.5%
Asian	8	32	0.1%	0.4%

Doniphan County, Kansas has an estimated population of 7,503, a less than 1% change from the 7,510 recorded in the 2020 Census. The population is 88.0% White, 5.1% Multiracial, 3.5% Hispanic, 3.0% Black, 0.4% Native American/Other, and 0.1% Asian. This demographic dot map shows the population of Doniphan County, with one dot drawn for each person counted by the Census, color-coded by race.

Doniphan is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Kansas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Doniphan County, that probability was 22.1% in 2020 and 22.0% in the most recent ACS estimates.

Doniphan County is ranked the 50th most populous county in Kansas, out of 105 counties. Doniphan County was ranked the 50th most populous county in the 2020 Census.

Doniphan County's White Population

6,606 residents of Doniphan County, or 88.0% of the population, identify as White. The share of White residents in Doniphan County is significantly higher than in Kansas overall, where 72.7% of the population is White. Doniphan County ranks 42nd statewide in terms of White residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's White population has remained roughly the same. White residents' share of Doniphan County's population has remained roughly unchanged at 88.0%.

Doniphan County is more White than neighboring Atchison County (86.7% White), Buchanan County (79.7% White), and Brown County (81.5% White). Doniphan County is less White than neighboring Holt County (93.3% White), and Andrew County (92.4% White).

Doniphan County's Black Population

223 residents of Doniphan County, or 3.0% of the population, identify as Black. The share of Black residents in Doniphan County is slightly lower than in Kansas overall, where 5.2% of the population is Black. Doniphan County ranks 15th statewide in terms of Black residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's Black population has declined by an estimated 16.2%. Black residents' share of Doniphan County's population has decreased from 3.5% to 3.0%.

Doniphan County is more Black than neighboring Holt County (0.4% Black), Andrew County (1.3% Black), and Brown County (1.6% Black). Doniphan County is less Black than neighboring Atchison County (3.5% Black), and Buchanan County (5.6% Black).

Doniphan County's Asian Population

8 residents of Doniphan County, or 0.1% of the population, identify as Asian. The share of Asian residents in Doniphan County is slightly lower than in Kansas overall, where 2.9% of the population is Asian. Doniphan County ranks 53rd statewide in terms of Asian residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's Asian population has declined by an estimated 75.0%. Asian residents' share of Doniphan County's population has remained roughly unchanged at 0.1%.

Doniphan County is less Asian than neighboring Atchison County (0.3% Asian), Holt County (0.4% Asian), Buchanan County (1.1% Asian), Andrew County (0.8% Asian), and Brown County (0.3% Asian).

Doniphan County's Hispanic Population

260 residents of Doniphan County, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Doniphan County is considerably lower than in Kansas overall, where 13.6% of the population is Hispanic. Doniphan County ranks 87th statewide in terms of Hispanic residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's Hispanic population has grown by an estimated 27.5%. Hispanic residents' share of Doniphan County's population has increased from 2.7% to 3.5%.

Doniphan County is more Hispanic than neighboring Holt County (1.9% Hispanic), and Andrew County (2.6% Hispanic). Doniphan County is less Hispanic than neighboring Atchison County (3.8% Hispanic), Buchanan County (7.6% Hispanic), and Brown County (4.7% Hispanic).

Doniphan County's Native American/Other Population

27 residents of Doniphan County, 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 Doniphan County is comparable to the share in Kansas overall, where 0.9% of the population is Native American/Other. Doniphan County ranks 12th statewide in terms of Native American/Other residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's Native American/Other population has declined by an estimated 76.1%. Native American/Other residents' share of Doniphan County's population has decreased from 1.5% to 0.4%.

Doniphan County is more Native American/Other than neighboring Atchison County (0.3% Native American/Other), and Andrew County (0.1% Native American/Other). Doniphan County is less Native American/Other than neighboring Holt County (0.6% Native American/Other), Buchanan County (0.8% Native American/Other), and Brown County (7.3% Native American/Other).

Doniphan County's Multiracial Population

379 residents of Doniphan County, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Doniphan County is comparable to the share in Kansas overall, where 4.8% of the population is Multiracial. Doniphan County ranks 56th statewide in terms of Multiracial residents as a share of the population, out of 105 counties.

Since the 2020 Census, Doniphan County's Multiracial population has grown by an estimated 34.9%. Multiracial residents' share of Doniphan County's population has increased from 3.7% to 5.1%.

Doniphan County is more Multiracial than neighboring Holt County (3.4% Multiracial), Andrew County (2.7% Multiracial), and Brown County (4.7% Multiracial). Doniphan County is less Multiracial than neighboring Atchison County (5.4% Multiracial), and Buchanan County (5.3% 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.