Alfalfa County Demographics

A map of Alfalfa County's Population by Race

Alfalfa County, Oklahoma has an estimated population of 5,696, a less than 1% change from the 5,699 recorded in the 2020 Census. The population is 80.6% White, 7.0% Multiracial, 6.2% Hispanic, 3.5% Black, 2.3% Native American/Other, and 0.4% Asian. This demographic dot map shows the population of Alfalfa County, with one dot drawn for each person counted by the Census, color-coded by race.

Alfalfa has become more racially diverse since the 2020 Census. It is considerably less diverse than Oklahoma overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Alfalfa County, that probability was 31.2% in 2020 and 34.0% in the most recent ACS estimates.

Alfalfa County is ranked the 65th most populous county in Oklahoma, out of 77 counties. Alfalfa County was ranked the 65th most populous county in the 2020 Census.

Alfalfa County's White Population

4,591 residents of Alfalfa County, or 80.6% of the population, identify as White. The share of White residents in Alfalfa County is significantly higher than in Oklahoma overall, where 62.1% of the population is White. Alfalfa County ranks 6th statewide in terms of White residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's White population has declined by an estimated 2.4%. White residents' share of Alfalfa County's population has decreased from 82.5% to 80.6%.

Alfalfa County is less White than neighboring Major County (81.5% White), Harper County (86.1% White), Grant County (85.2% White), Woods County (81.7% White), and Barber County (88.7% White).

Alfalfa County's Black Population

202 residents of Alfalfa County, or 3.5% of the population, identify as Black. The share of Black residents in Alfalfa County is slightly lower than in Oklahoma overall, where 6.8% of the population is Black. Alfalfa County ranks 20th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's Black population has declined by an estimated 11.8%. Black residents' share of Alfalfa County's population has decreased from 4.0% to 3.5%.

Alfalfa County is more Black than neighboring Major County (0% Black), Harper County (0.8% Black), Grant County (1.9% Black), Woods County (2.6% Black), and Barber County (0.1% Black).

Alfalfa County's Asian Population

24 residents of Alfalfa County, or 0.4% of the population, identify as Asian. The share of Asian residents in Alfalfa County is comparable to the share in Oklahoma overall, where 2.4% of the population is Asian. Alfalfa County ranks 73rd statewide in terms of Asian residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's Asian population has grown by an estimated 242.9%. Asian residents' share of Alfalfa County's population has remained roughly unchanged at 0.4%.

Alfalfa County is more Asian than neighboring Harper County (0.3% Asian), Grant County (0.1% Asian), Woods County (0% Asian), and Barber County (0% Asian).

Alfalfa County's Hispanic Population

351 residents of Alfalfa County, or 6.2% of the population, identify as Hispanic. The share of Hispanic residents in Alfalfa County is lower than in Oklahoma overall, where 12.7% of the population is Hispanic. Alfalfa County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's Hispanic population has grown by an estimated 25.8%. Hispanic residents' share of Alfalfa County's population has increased from 4.9% to 6.2%.

Alfalfa County is more Hispanic than neighboring Grant County (4.7% Hispanic). Alfalfa County is less Hispanic than neighboring Major County (11% Hispanic), Harper County (8.1% Hispanic), Woods County (7.5% Hispanic), and Barber County (6.3% Hispanic).

Alfalfa County's Native American/Other Population

130 residents of Alfalfa County, or 2.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Alfalfa County is slightly lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Alfalfa County ranks 60th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's Native American/Other population has declined by an estimated 35.3%. Native American/Other residents' share of Alfalfa County's population has decreased from 3.5% to 2.3%.

Alfalfa County is more Native American/Other than neighboring Major County (1.2% Native American/Other), and Harper County (0.6% Native American/Other). Alfalfa County is less Native American/Other than neighboring Grant County (2.6% Native American/Other), Woods County (2.7% Native American/Other), and Barber County (2.4% Native American/Other).

Alfalfa County's Multiracial Population

398 residents of Alfalfa County, or 7.0% of the population, identify as Multiracial. The share of Multiracial residents in Alfalfa County is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Alfalfa County ranks 69th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Alfalfa County's Multiracial population has grown by an estimated 41.6%. Multiracial residents' share of Alfalfa County's population has increased from 4.9% to 7.0%.

Alfalfa County is more Multiracial than neighboring Major County (5.9% Multiracial), Harper County (4.2% Multiracial), Grant County (5.5% Multiracial), Woods County (5.6% Multiracial), and Barber County (2.5% 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.