Knox County Demographics

A map of Knox County's Population by Race

Knox County, Texas has an estimated population of 3,307, a slight decrease from the 3,353 recorded in the 2020 Census. The population is 57.0% White, 33.5% Hispanic, 5.1% Multiracial, 3.7% Black, 0.3% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Knox County, with one dot drawn for each person counted by the Census, color-coded by race.

Knox has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Texas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Knox County, that probability was 55.0% in 2020 and 55.9% in the most recent ACS estimates.

Knox County is ranked the 215th most populous county in Texas, out of 254 counties. Knox County was ranked the 215th most populous county in the 2020 Census.

Knox County's White Population

1,885 residents of Knox County, or 57.0% of the population, identify as White. The share of White residents in Knox County is significantly higher than in Texas overall, where 39.1% of the population is White. Knox County ranks 130th statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's White population has declined by an estimated 2.6%. White residents' share of Knox County's population has decreased from 57.7% to 57.0%.

Knox County is less White than neighboring Foard County (82.5% White), Haskell County (65.4% White), King County (69.2% White), Baylor County (76.6% White), and Stonewall County (78.2% White).

Knox County's Black Population

124 residents of Knox County, or 3.7% of the population, identify as Black. The share of Black residents in Knox County is lower than in Texas overall, where 11.9% of the population is Black. Knox County ranks 106th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's Black population has declined by an estimated 15.1%. Black residents' share of Knox County's population has decreased from 4.4% to 3.7%.

Knox County is more Black than neighboring Foard County (0.3% Black), King County (0% Black), Baylor County (1.2% Black), and Stonewall County (0.4% Black). Knox County is less Black than neighboring Haskell County (5.9% Black).

Knox County's Asian Population

10 residents of Knox County, or 0.3% of the population, identify as Asian. The share of Asian residents in Knox County is lower than in Texas overall, where 5.5% of the population is Asian. Knox County ranks 89th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's Asian population has declined by an estimated 58.3%. Asian residents' share of Knox County's population has remained roughly unchanged at 0.3%.

Knox County is more Asian than neighboring Haskell County (0.2% Asian), King County (0% Asian), Baylor County (0% Asian), and Stonewall County (0% Asian).

Knox County's Hispanic Population

1,109 residents of Knox County, or 33.5% of the population, identify as Hispanic. The share of Hispanic residents in Knox County is lower than in Texas overall, where 39.7% of the population is Hispanic. Knox County ranks 99th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's Hispanic population has declined by an estimated 1.9%. Hispanic residents' share of Knox County's population has remained roughly unchanged at 33.5%.

Knox County is more Hispanic than neighboring Foard County (11.9% Hispanic), Haskell County (26.4% Hispanic), King County (16.6% Hispanic), Baylor County (13.1% Hispanic), and Stonewall County (20% Hispanic).

Knox County's Native American/Other Population

9 residents of Knox County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Knox County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Knox County ranks 196th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's Native American/Other population has declined by an estimated 43.8%. Native American/Other residents' share of Knox County's population has remained roughly unchanged at 0.3%.

Knox County is more Native American/Other than neighboring Foard County (0% Native American/Other), Haskell County (0.2% Native American/Other), King County (0% Native American/Other), and Stonewall County (0% Native American/Other). Knox County is less Native American/Other than neighboring Baylor County (1.5% Native American/Other).

Knox County's Multiracial Population

170 residents of Knox County, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Knox County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Knox County ranks 113th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Knox County's Multiracial population has grown by an estimated 66.7%. Multiracial residents' share of Knox County's population has increased from 3.0% to 5.1%.

Knox County is more Multiracial than neighboring Foard County (4.9% Multiracial), Haskell County (1.9% Multiracial), and Stonewall County (1.4% Multiracial). Knox County is less Multiracial than neighboring King County (14.2% Multiracial), and Baylor County (7.5% 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.