Ruby, MI Demographics

A map of Ruby's Population by Race

Ruby, Michigan has an estimated population of 714, a large decrease from the 852 recorded in the 2020 Census. The population is 85.6% White, 14.4% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Ruby, with one dot drawn for each person counted by the Census, color-coded by race.

Ruby has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Michigan overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ruby, that probability was 13.8% in 2020 and 24.7% in the most recent ACS estimates.

Ruby is ranked the 495th most populous place in Michigan, out of 745 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). Ruby was ranked the 464th most populous place in the 2020 Census.

Ruby's White Population

611 residents of Ruby, or 85.6% of the population, identify as White. The share of White residents in Ruby is considerably higher than in Michigan overall, where 72.4% of the population is White. Ruby ranks 151st statewide in terms of White residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's White population has declined by an estimated 22.7%. White residents' share of Ruby's population has decreased from 92.7% to 85.6%.

Ruby is more White than neighboring Port Huron (79% White). Ruby is less White than neighboring Lakeport (95% White), Emmett (95.7% White), Marysville (93% White), and Memphis (89.6% White).

Ruby's Black Population

0 residents of Ruby, or 0.0% of the population, identify as Black. The share of Black residents in Ruby is considerably lower than in Michigan overall, where 13.1% of the population is Black. Ruby ranks 439th statewide in terms of Black residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's Black population has declined by an estimated 100.0%. Black residents' share of Ruby's population has decreased from 0.5% to 0.0%.

Ruby is less Black than neighboring Lakeport (2.2% Black), Marysville (1.1% Black), Port Huron (6.4% Black), and Memphis (2.4% Black).

Ruby's Asian Population

0 residents of Ruby, or 0.0% of the population, identify as Asian. The share of Asian residents in Ruby is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Ruby ranks 561st statewide in terms of Asian residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's Asian population has declined by an estimated 100.0%. Asian residents' share of Ruby's population has remained roughly unchanged at 0.0%.

Ruby is less Asian than neighboring Lakeport (1.8% Asian), Marysville (1.2% Asian), Port Huron (0.9% Asian), and Memphis (0.5% Asian).

Ruby's Hispanic Population

0 residents of Ruby, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Ruby is lower than in Michigan overall, where 5.9% of the population is Hispanic. Ruby ranks 468th statewide in terms of Hispanic residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Ruby's population has decreased from 2.6% to 0.0%.

Ruby is less Hispanic than neighboring Lakeport (0.4% Hispanic), Marysville (1.3% Hispanic), Port Huron (6.3% Hispanic), and Memphis (3.9% Hispanic).

Ruby's Native American/Other Population

0 residents of Ruby, 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 Ruby is comparable to the share in Michigan overall, where 0.8% of the population is Native American/Other. Ruby ranks 663rd statewide in terms of Native American/Other residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Ruby's population has remained roughly unchanged at 0.0%.

Ruby is less Native American/Other than neighboring Marysville (0.5% Native American/Other), and Port Huron (0.6% Native American/Other).

Ruby's Multiracial Population

103 residents of Ruby, or 14.4% of the population, identify as Multiracial. The share of Multiracial residents in Ruby is higher than in Michigan overall, where 4.5% of the population is Multiracial. Ruby ranks 448th statewide in terms of Multiracial residents as a share of the population, out of 745 places.

Since the 2020 Census, Ruby's Multiracial population has grown by an estimated 212.1%. Multiracial residents' share of Ruby's population has increased from 3.9% to 14.4%.

Ruby is more Multiracial than neighboring Lakeport (0.7% Multiracial), Emmett (4.3% Multiracial), Marysville (2.9% Multiracial), Port Huron (6.7% Multiracial), and Memphis (3.7% 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.