Oswego, SC Demographics

A map of Oswego's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	172	74	100.0%	86.0%
Black	0	5	0.0%	5.8%
Asian	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	3.5%
Native American/Other	0	1	0.0%	1.2%
Multiracial	0	3	0.0%	3.5%

Oswego, South Carolina has an estimated population of 172, a dramatic increase from the 86 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Oswego, with one dot drawn for each person counted by the Census, color-coded by race.

Oswego has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than South Carolina overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Oswego, that probability was 25.4% in 2020 and 0.0% in the most recent ACS estimates.

Oswego is ranked the 420th most populous place in South Carolina, out of 475 places. 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). Oswego was ranked the 456th most populous place in the 2020 Census.

Oswego's White Population

172 residents of Oswego, or 100.0% of the population, identify as White. The share of White residents in Oswego is significantly higher than in South Carolina overall, where 61.9% of the population is White. Oswego ranks 58th statewide in terms of White residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's White population has grown by an estimated 132.4%. White residents' share of Oswego's population has increased from 86.0% to 100.0%.

Oswego is more White than neighboring Mulberry (26.2% White), East Sumter (32.6% White), Mayesville (18.1% White), and St. Charles (23.7% White).

Oswego's Black Population

0 residents of Oswego, or 0.0% of the population, identify as Black. The share of Black residents in Oswego is significantly lower than in South Carolina overall, where 24.6% of the population is Black. Oswego ranks 403rd statewide in terms of Black residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's Black population has declined by an estimated 100.0%. Black residents' share of Oswego's population has decreased from 5.8% to 0.0%.

Oswego is less Black than neighboring Mulberry (73.8% Black), East Sumter (63.6% Black), Mayesville (81% Black), and St. Charles (76.3% Black).

Oswego's Asian Population

0 residents of Oswego, or 0.0% of the population, identify as Asian. The share of Asian residents in Oswego is comparable to the share in South Carolina overall, where 1.7% of the population is Asian. Oswego ranks 359th statewide in terms of Asian residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's Asian population has grown from 0 to an estimated 0. Asian residents' share of Oswego's population has remained roughly unchanged at 0.0%.

Oswego's Hispanic Population

0 residents of Oswego, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Oswego is lower than in South Carolina overall, where 7.4% of the population is Hispanic. Oswego ranks 240th statewide in terms of Hispanic residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Oswego's population has decreased from 3.5% to 0.0%.

Oswego is less Hispanic than neighboring East Sumter (2.2% Hispanic).

Oswego's Native American/Other Population

0 residents of Oswego, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oswego is comparable to the share in South Carolina overall, where 0.7% of the population is Native American/Other. Oswego ranks 77th statewide in terms of Native American/Other residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Oswego's population has decreased from 1.2% to 0.0%.

Oswego's Multiracial Population

0 residents of Oswego, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Oswego is slightly lower than in South Carolina overall, where 3.7% of the population is Multiracial. Oswego ranks 239th statewide in terms of Multiracial residents as a share of the population, out of 475 places.

Since the 2020 Census, Oswego's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Oswego's population has decreased from 3.5% to 0.0%.

Oswego is less Multiracial than neighboring East Sumter (1.6% Multiracial), and Mayesville (0.8% 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.