Johnson County Demographics

A map of Johnson County's Population by Race

Johnson County, Wyoming has an estimated population of 8,686, a slight increase from the 8,447 recorded in the 2020 Census. The population is 90.0% White, 4.3% Hispanic, 2.9% Multiracial, 2.3% Native American/Other, 0.5% Asian, and 0.0% Black. This demographic dot map shows the population of Johnson County, with one dot drawn for each person counted by the Census, color-coded by race.

Johnson has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Wyoming overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Johnson County, that probability was 17.9% in 2020 and 18.6% in the most recent ACS estimates.

Johnson County is ranked the 17th most populous county in Wyoming, out of 23 counties. Johnson County was ranked the 18th most populous county in the 2020 Census.

Johnson County's White Population

7,819 residents of Johnson County, or 90.0% of the population, identify as White. The share of White residents in Johnson County is higher than in Wyoming overall, where 81.4% of the population is White. Johnson County ranks 4th statewide in terms of White residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's White population has grown by an estimated 2.3%. White residents' share of Johnson County's population has remained roughly unchanged at 90.0%.

Johnson County is more White than neighboring Sheridan County (89.2% White), Campbell County (84.2% White), Natrona County (84.6% White), Washakie County (80.6% White), and Big Horn County (85% White).

Johnson County's Black Population

1 residents of Johnson County, or 0.0% of the population, identify as Black. The share of Black residents in Johnson County is comparable to the share in Wyoming overall, where 0.8% of the population is Black. Johnson County ranks 11th statewide in terms of Black residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's Black population has declined by an estimated 96.2%. Black residents' share of Johnson County's population has remained roughly unchanged at 0.0%.

Johnson County is less Black than neighboring Sheridan County (0.7% Black), Campbell County (0.3% Black), Natrona County (0.5% Black), Washakie County (0.1% Black), and Big Horn County (0.7% Black).

Johnson County's Asian Population

47 residents of Johnson County, or 0.5% of the population, identify as Asian. The share of Asian residents in Johnson County is comparable to the share in Wyoming overall, where 0.8% of the population is Asian. Johnson County ranks 22nd statewide in terms of Asian residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's Asian population has grown by an estimated 213.3%. Asian residents' share of Johnson County's population has remained roughly unchanged at 0.5%.

Johnson County is more Asian than neighboring Campbell County (0.2% Asian), and Washakie County (0.3% Asian). Johnson County is less Asian than neighboring Sheridan County (1% Asian), and Natrona County (0.6% Asian).

Johnson County's Hispanic Population

373 residents of Johnson County, or 4.3% of the population, identify as Hispanic. The share of Hispanic residents in Johnson County is lower than in Wyoming overall, where 10.7% of the population is Hispanic. Johnson County ranks 20th statewide in terms of Hispanic residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's Hispanic population has grown by an estimated 7.5%. Hispanic residents' share of Johnson County's population has remained roughly unchanged at 4.3%.

Johnson County is less Hispanic than neighboring Sheridan County (5% Hispanic), Campbell County (9.7% Hispanic), Natrona County (9.5% Hispanic), Washakie County (14.1% Hispanic), and Big Horn County (9.7% Hispanic).

Johnson County's Native American/Other Population

196 residents of Johnson 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 Johnson County is comparable to the share in Wyoming overall, where 2.4% of the population is Native American/Other. Johnson County ranks 12th statewide in terms of Native American/Other residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's Native American/Other population has grown by an estimated 88.5%. Native American/Other residents' share of Johnson County's population has increased from 1.2% to 2.3%.

Johnson County is more Native American/Other than neighboring Sheridan County (1.2% Native American/Other), Campbell County (1% Native American/Other), Natrona County (0.8% Native American/Other), Washakie County (0.5% Native American/Other), and Big Horn County (1.1% Native American/Other).

Johnson County's Multiracial Population

250 residents of Johnson County, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Johnson County is comparable to the share in Wyoming overall, where 4% of the population is Multiracial. Johnson County ranks 9th statewide in terms of Multiracial residents as a share of the population, out of 23 counties.

Since the 2020 Census, Johnson County's Multiracial population has declined by an estimated 20.6%. Multiracial residents' share of Johnson County's population has decreased from 3.7% to 2.9%.

Johnson County is less Multiracial than neighboring Sheridan County (3% Multiracial), Campbell County (4.6% Multiracial), Natrona County (4.1% Multiracial), Washakie County (4.4% Multiracial), and Big Horn County (3.1% 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.