Tripp County Demographics

A map of Tripp County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,485	4,312	79.9%	76.7%
Native American/Other	775	976	13.8%	17.4%
Multiracial	175	267	3.1%	4.7%
Hispanic	107	54	1.9%	1.0%
Black	44	10	0.8%	0.2%
Asian	25	5	0.4%	0.1%

Tripp County, South Dakota has an estimated population of 5,611, a less than 1% change from the 5,624 recorded in the 2020 Census. The population is 79.9% White, 13.8% Native American/Other, 3.1% Multiracial, 1.9% Hispanic, 0.8% Black, and 0.4% Asian. This demographic dot map shows the population of Tripp County, with one dot drawn for each person counted by the Census, color-coded by race.

Tripp has become less racially diverse since the 2020 Census. It is less diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Tripp County, that probability was 38.0% in 2020 and 34.1% in the most recent ACS estimates.

Tripp County is ranked the 31st most populous county in South Dakota, out of 66 counties. Tripp County was ranked the 31st most populous county in the 2020 Census.

Tripp County's White Population

4,485 residents of Tripp County, or 79.9% of the population, identify as White. The share of White residents in Tripp County is comparable to the share in South Dakota overall, where 79.8% of the population is White. Tripp County ranks 51st statewide in terms of White residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's White population has grown by an estimated 4.0%. White residents' share of Tripp County's population has increased from 76.7% to 79.9%.

Tripp County is more White than neighboring Lyman County (57.1% White), and Todd County (8.1% White). Tripp County is less White than neighboring Keya Paha County (93.1% White), Gregory County (86.2% White), and Brule County (81.2% White).

Tripp County's Black Population

44 residents of Tripp County, or 0.8% of the population, identify as Black. The share of Black residents in Tripp County is comparable to the share in South Dakota overall, where 2.1% of the population is Black. Tripp County ranks 39th statewide in terms of Black residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's Black population has grown by an estimated 340.0%. Black residents' share of Tripp County's population has increased from 0.2% to 0.8%.

Tripp County is more Black than neighboring Keya Paha County (0.1% Black), Lyman County (0% Black), Todd County (0.4% Black), and Brule County (0.6% Black). Tripp County is less Black than neighboring Gregory County (0.9% Black).

Tripp County's Asian Population

25 residents of Tripp County, or 0.4% of the population, identify as Asian. The share of Asian residents in Tripp County is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Tripp County ranks 58th statewide in terms of Asian residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's Asian population has grown by an estimated 400.0%. Asian residents' share of Tripp County's population has remained roughly unchanged at 0.4%.

Tripp County is more Asian than neighboring Keya Paha County (0% Asian), Lyman County (0% Asian), and Brule County (0% Asian). Tripp County is less Asian than neighboring Gregory County (1.1% Asian), and Todd County (3.1% Asian).

Tripp County's Hispanic Population

107 residents of Tripp County, or 1.9% of the population, identify as Hispanic. The share of Hispanic residents in Tripp County is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Tripp County ranks 64th statewide in terms of Hispanic residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's Hispanic population has grown by an estimated 98.1%. Hispanic residents' share of Tripp County's population has increased from 1.0% to 1.9%.

Tripp County is more Hispanic than neighboring Lyman County (1.2% Hispanic), and Gregory County (0.6% Hispanic). Tripp County is less Hispanic than neighboring Keya Paha County (4.6% Hispanic), Todd County (2.4% Hispanic), and Brule County (2.3% Hispanic).

Tripp County's Native American/Other Population

775 residents of Tripp County, or 13.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Tripp County is higher than in South Dakota overall, where 7.5% of the population is Native American/Other. Tripp County ranks 13th statewide in terms of Native American/Other residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's Native American/Other population has declined by an estimated 20.6%. Native American/Other residents' share of Tripp County's population has decreased from 17.4% to 13.8%.

Tripp County is more Native American/Other than neighboring Keya Paha County (1.9% Native American/Other), Gregory County (4.3% Native American/Other), and Brule County (10.1% Native American/Other). Tripp County is less Native American/Other than neighboring Lyman County (39.7% Native American/Other), and Todd County (81.9% Native American/Other).

Tripp County's Multiracial Population

175 residents of Tripp County, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Tripp County is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Tripp County ranks 12th statewide in terms of Multiracial residents as a share of the population, out of 66 counties.

Since the 2020 Census, Tripp County's Multiracial population has declined by an estimated 34.5%. Multiracial residents' share of Tripp County's population has decreased from 4.7% to 3.1%.

Tripp County is more Multiracial than neighboring Keya Paha County (0.2% Multiracial), and Lyman County (2% Multiracial). Tripp County is less Multiracial than neighboring Gregory County (7% Multiracial), Todd County (4.1% Multiracial), and Brule County (5.8% 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.