Osborne County Demographics

A map of Osborne County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,169	3,285	91.8%	93.9%
Multiracial	124	108	3.6%	3.1%
Hispanic	103	66	3.0%	1.9%
Native American/Other	27	22	0.8%	0.6%
Asian	17	18	0.5%	0.5%
Black	12	1	0.3%	0.0%

Osborne County, Kansas has an estimated population of 3,452, a slight decrease from the 3,500 recorded in the 2020 Census. The population is 91.8% White, 3.6% Multiracial, 3.0% Hispanic, 0.8% Native American/Other, 0.5% Asian, and 0.3% Black. This demographic dot map shows the population of Osborne County, with one dot drawn for each person counted by the Census, color-coded by race.

Osborne has become more racially diverse since 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 Osborne County, that probability was 11.8% in 2020 and 15.5% in the most recent ACS estimates.

Osborne County is ranked the 77th most populous county in Kansas, out of 105 counties. Osborne County was ranked the 77th most populous county in the 2020 Census.

Osborne County's White Population

3,169 residents of Osborne County, or 91.8% of the population, identify as White. The share of White residents in Osborne County is significantly higher than in Kansas overall, where 72.7% of the population is White. Osborne County ranks 3rd statewide in terms of White residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's White population has declined by an estimated 3.5%. White residents' share of Osborne County's population has decreased from 93.9% to 91.8%.

Osborne County is more White than neighboring Russell County (89.5% White), Rooks County (91.4% White), and Lincoln County (91.1% White). Osborne County is less White than neighboring Smith County (93.3% White), and Mitchell County (93% White).

Osborne County's Black Population

12 residents of Osborne County, or 0.3% of the population, identify as Black. The share of Black residents in Osborne County is slightly lower than in Kansas overall, where 5.2% of the population is Black. Osborne County ranks 102nd statewide in terms of Black residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's Black population has grown by an estimated 1100.0%. Black residents' share of Osborne County's population has remained roughly unchanged at 0.3%.

Osborne County is more Black than neighboring Smith County (0.2% Black), Mitchell County (0.1% Black), and Lincoln County (0.1% Black). Osborne County is less Black than neighboring Russell County (0.4% Black), and Rooks County (1.9% Black).

Osborne County's Asian Population

17 residents of Osborne County, or 0.5% of the population, identify as Asian. The share of Asian residents in Osborne County is slightly lower than in Kansas overall, where 2.9% of the population is Asian. Osborne County ranks 39th statewide in terms of Asian residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's Asian population has declined by an estimated 5.6%. Asian residents' share of Osborne County's population has remained roughly unchanged at 0.5%.

Osborne County is more Asian than neighboring Smith County (0.2% Asian), and Russell County (0.4% Asian). Osborne County is less Asian than neighboring Rooks County (0.7% Asian), Mitchell County (0.7% Asian), and Lincoln County (0.6% Asian).

Osborne County's Hispanic Population

103 residents of Osborne County, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Osborne County is considerably lower than in Kansas overall, where 13.6% of the population is Hispanic. Osborne County ranks 104th statewide in terms of Hispanic residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's Hispanic population has grown by an estimated 56.1%. Hispanic residents' share of Osborne County's population has increased from 1.9% to 3.0%.

Osborne County is more Hispanic than neighboring Smith County (2.6% Hispanic). Osborne County is less Hispanic than neighboring Russell County (4.1% Hispanic), Rooks County (3.2% Hispanic), Mitchell County (3.2% Hispanic), and Lincoln County (4.6% Hispanic).

Osborne County's Native American/Other Population

27 residents of Osborne 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 Osborne County is comparable to the share in Kansas overall, where 0.9% of the population is Native American/Other. Osborne County ranks 65th statewide in terms of Native American/Other residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's Native American/Other population has grown by an estimated 22.7%. Native American/Other residents' share of Osborne County's population has remained roughly unchanged at 0.8%.

Osborne County is more Native American/Other than neighboring Smith County (0.6% Native American/Other), Russell County (0.3% Native American/Other), Rooks County (0.4% Native American/Other), Mitchell County (0.2% Native American/Other), and Lincoln County (0.3% Native American/Other).

Osborne County's Multiracial Population

124 residents of Osborne County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Osborne County is comparable to the share in Kansas overall, where 4.8% of the population is Multiracial. Osborne County ranks 80th statewide in terms of Multiracial residents as a share of the population, out of 105 counties.

Since the 2020 Census, Osborne County's Multiracial population has grown by an estimated 14.8%. Multiracial residents' share of Osborne County's population has increased from 3.1% to 3.6%.

Osborne County is more Multiracial than neighboring Smith County (3% Multiracial), Rooks County (2.3% Multiracial), Mitchell County (2.8% Multiracial), and Lincoln County (3.4% Multiracial). Osborne County is less Multiracial than neighboring Russell 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.