Grundy County Demographics

A map of Grundy County's Population by Race

Grundy County, Tennessee has an estimated population of 13,819, a slight increase from the 13,529 recorded in the 2020 Census. The population is 93.8% White, 4.5% Multiracial, 0.8% Asian, 0.4% Black, 0.4% Hispanic, and 0.1% Native American/Other. This demographic dot map shows the population of Grundy County, with one dot drawn for each person counted by the Census, color-coded by race.

Grundy has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Tennessee overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Grundy County, that probability was 12.8% in 2020 and 11.9% in the most recent ACS estimates.

Grundy County is ranked the 82nd most populous county in Tennessee, out of 95 counties. Grundy County was ranked the 82nd most populous county in the 2020 Census.

Grundy County's White Population

12,956 residents of Grundy County, or 93.8% of the population, identify as White. The share of White residents in Grundy County is significantly higher than in Tennessee overall, where 71% of the population is White. Grundy County ranks 11th statewide in terms of White residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's White population has grown by an estimated 2.7%. White residents' share of Grundy County's population has increased from 93.3% to 93.8%.

Grundy County is more White than neighboring Marion County (90% White), Warren County (83.3% White), Sequatchie County (90.1% White), and Coffee County (85.3% White). Grundy County is less White than neighboring Van Buren County (94.6% White).

Grundy County's Black Population

62 residents of Grundy County, or 0.4% of the population, identify as Black. The share of Black residents in Grundy County is considerably lower than in Tennessee overall, where 15.4% of the population is Black. Grundy County ranks 89th statewide in terms of Black residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's Black population has grown by an estimated 63.2%. Black residents' share of Grundy County's population has remained roughly unchanged at 0.4%.

Grundy County is more Black than neighboring Van Buren County (0.3% Black). Grundy County is less Black than neighboring Marion County (3% Black), Warren County (2.6% Black), and Coffee County (4.1% Black).

Grundy County's Asian Population

105 residents of Grundy County, or 0.8% of the population, identify as Asian. The share of Asian residents in Grundy County is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. Grundy County ranks 64th statewide in terms of Asian residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's Asian population has grown by an estimated 138.6%. Asian residents' share of Grundy County's population has increased from 0.3% to 0.8%.

Grundy County is more Asian than neighboring Marion County (0.1% Asian), Warren County (0.6% Asian), and Van Buren County (0.1% Asian). Grundy County is less Asian than neighboring Coffee County (1.3% Asian).

Grundy County's Hispanic Population

56 residents of Grundy County, or 0.4% of the population, identify as Hispanic. The share of Hispanic residents in Grundy County is lower than in Tennessee overall, where 7.4% of the population is Hispanic. Grundy County ranks 92nd statewide in terms of Hispanic residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's Hispanic population has declined by an estimated 68.0%. Hispanic residents' share of Grundy County's population has decreased from 1.3% to 0.4%.

Grundy County is less Hispanic than neighboring Marion County (2.5% Hispanic), Warren County (10% Hispanic), Sequatchie County (4.9% Hispanic), Coffee County (6.3% Hispanic), and Van Buren County (2.2% Hispanic).

Grundy County's Native American/Other Population

18 residents of Grundy County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grundy County is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. Grundy County ranks 77th statewide in terms of Native American/Other residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's Native American/Other population has declined by an estimated 67.3%. Native American/Other residents' share of Grundy County's population has remained roughly unchanged at 0.1%.

Grundy County is less Native American/Other than neighboring Marion County (0.2% Native American/Other), Warren County (0.2% Native American/Other), Sequatchie County (0.5% Native American/Other), Coffee County (0.3% Native American/Other), and Van Buren County (0.2% Native American/Other).

Grundy County's Multiracial Population

622 residents of Grundy County, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Grundy County is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. Grundy County ranks 14th statewide in terms of Multiracial residents as a share of the population, out of 95 counties.

Since the 2020 Census, Grundy County's Multiracial population has grown by an estimated 4.2%. Multiracial residents' share of Grundy County's population has remained roughly unchanged at 4.5%.

Grundy County is more Multiracial than neighboring Marion County (4.2% Multiracial), Warren County (3.4% Multiracial), Sequatchie County (3.2% Multiracial), Coffee County (2.7% Multiracial), and Van Buren County (2.6% 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.