Seneca, KS Demographics

A map of Seneca's Population by Race

Seneca, Kansas had a population of 2,139 in 2020. It was 92.4% White, 0.8% Black, 0.0% Asian, 4.8% Hispanic, 0.2% Native American/Other, and 1.7% Multiracial. This map presents the population of Seneca, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 740 places in Kansas, Seneca is the 116th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Seneca's White Population

1,976 residents of Seneca identify as White, or 92.4%. This makes the White share of the population of Seneca considerably larger than the White share of the population of Kansas (72.2% White). Of the 740 places in Kansas, Seneca is ranked #169 in terms of White residents as a share of the population.

Seneca is more White than neighboring Kelly (51.9% White), Centralia (90.5% White), and Oneida (91.8% White). Seneca is less White than neighboring St. Benedict (100% White), and Baileyville (98.9% White).

Seneca's Black Population

18 residents of Seneca identify as Black, or 0.8%. This makes the Black share of the population of Seneca roughly similar to the Black share of the population of Kansas (5.6% Black). Of the 740 places in Kansas, Seneca is ranked #220 in terms of Black residents as a share of the population.

Seneca is more Black than neighboring St. Benedict (0% Black), Baileyville (0% Black), Kelly (0% Black), Centralia (0% Black), and Oneida (0% Black).

Seneca's Asian Population

0 residents of Seneca identify as Asian, or 0.0%. This makes the Asian share of the population of Seneca roughly similar to the Asian share of the population of Kansas (2.9% Asian). Of the 740 places in Kansas, Seneca is ranked #353 in terms of Asian residents as a share of the population.

Seneca's Hispanic Population

103 residents of Seneca identify as Hispanic, or 4.8%. This makes the Hispanic share of the population of Seneca slightly less than the Hispanic share of the population of Kansas (13% Hispanic). Of the 740 places in Kansas, Seneca is ranked #296 in terms of Hispanic residents as a share of the population.

Seneca is more Hispanic than neighboring St. Benedict (0% Hispanic), Baileyville (1.1% Hispanic), and Centralia (4.3% Hispanic). Seneca is less Hispanic than neighboring Kelly (48.1% Hispanic), and Oneida (4.9% Hispanic).

Seneca's Native American/Other Population

5 residents of Seneca identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.2%. This makes the Native American/Other share of the population of Seneca roughly similar to the Native American/Other share of the population of Kansas (1.2% Native American/Other). Of the 740 places in Kansas, Seneca is ranked #506 in terms of Native American/Other residents as a share of the population.

Seneca is more Native American/Other than neighboring St. Benedict (0% Native American/Other), Baileyville (0% Native American/Other), and Kelly (0% Native American/Other). Seneca is less Native American/Other than neighboring Centralia (0.8% Native American/Other), and Oneida (1.6% Native American/Other).

Seneca's Multiracial Population

37 residents of Seneca identify as Multiracial, or 1.7%. This makes the Multiracial share of the population of Seneca roughly similar to the Multiracial share of the population of Kansas (5.1% Multiracial). Of the 740 places in Kansas, Seneca is ranked #652 in terms of Multiracial residents as a share of the population.

Seneca is more Multiracial than neighboring St. Benedict (0% Multiracial), Baileyville (0% Multiracial), Kelly (0% Multiracial), and Oneida (1.6% Multiracial). Seneca is less Multiracial than neighboring Centralia (4.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.