Portland, CT Demographics

A map of Portland's Population by Race

Portland, Connecticut has an estimated population of 5,944, a slight increase from the 5,813 recorded in the 2020 Census. The population is 85.1% White, 5.9% Hispanic, 3.8% Asian, 2.4% Multiracial, 1.8% Black, and 1.0% Native American/Other. This demographic dot map shows the population of Portland, with one dot drawn for each person counted by the Census, color-coded by race.

Portland has become less racially diverse since the 2020 Census. It is considerably less diverse than Connecticut overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Portland, that probability was 29.2% in 2020 and 27.0% in the most recent ACS estimates.

Portland is ranked the 61st most populous place in Connecticut, out of 215 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). Portland was ranked the 61st most populous place in the 2020 Census.

Portland's White Population

5,057 residents of Portland, or 85.1% of the population, identify as White. The share of White residents in Portland is significantly higher than in Connecticut overall, where 61.9% of the population is White. Portland ranks 97th statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's White population has grown by an estimated 4.0%. White residents' share of Portland's population has increased from 83.7% to 85.1%.

Portland is more White than neighboring Middletown (62.7% White), and Glastonbury Center (83.4% White). Portland is less White than neighboring Higganum (88.5% White), Lake Pocotopaug (87.8% White), and Durham (87.7% White).

Portland's Black Population

108 residents of Portland, or 1.8% of the population, identify as Black. The share of Black residents in Portland is lower than in Connecticut overall, where 9.8% of the population is Black. Portland ranks 67th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's Black population has declined by an estimated 28.5%. Black residents' share of Portland's population has decreased from 2.6% to 1.8%.

Portland is more Black than neighboring Higganum (0% Black), Lake Pocotopaug (0% Black), Glastonbury Center (1.2% Black), and Durham (0% Black). Portland is less Black than neighboring Middletown (13.3% Black).

Portland's Asian Population

228 residents of Portland, or 3.8% of the population, identify as Asian. The share of Asian residents in Portland is comparable to the share in Connecticut overall, where 4.7% of the population is Asian. Portland ranks 170th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's Asian population has grown by an estimated 181.5%. Asian residents' share of Portland's population has increased from 1.4% to 3.8%.

Portland is more Asian than neighboring Higganum (2.3% Asian), and Durham (0% Asian). Portland is less Asian than neighboring Middletown (5.9% Asian), Lake Pocotopaug (8.6% Asian), and Glastonbury Center (9.9% Asian).

Portland's Hispanic Population

351 residents of Portland, or 5.9% of the population, identify as Hispanic. The share of Hispanic residents in Portland is considerably lower than in Connecticut overall, where 18.3% of the population is Hispanic. Portland ranks 96th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's Hispanic population has declined by an estimated 14.2%. Hispanic residents' share of Portland's population has decreased from 7.0% to 5.9%.

Portland is more Hispanic than neighboring Lake Pocotopaug (2.7% Hispanic), and Glastonbury Center (3.7% Hispanic). Portland is less Hispanic than neighboring Middletown (12.6% Hispanic), Higganum (6.8% Hispanic), and Durham (6.8% Hispanic).

Portland's Native American/Other Population

57 residents of Portland, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Portland is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Portland ranks 84th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's Native American/Other population has grown by an estimated 32.6%. Native American/Other residents' share of Portland's population has remained roughly unchanged at 1.0%.

Portland is more Native American/Other than neighboring Middletown (0.3% Native American/Other), Lake Pocotopaug (0.5% Native American/Other), Glastonbury Center (0% Native American/Other), and Durham (0.8% Native American/Other). Portland is less Native American/Other than neighboring Higganum (1.7% Native American/Other).

Portland's Multiracial Population

143 residents of Portland, or 2.4% of the population, identify as Multiracial. The share of Multiracial residents in Portland is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Portland ranks 61st statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Portland's Multiracial population has declined by an estimated 46.0%. Multiracial residents' share of Portland's population has decreased from 4.6% to 2.4%.

Portland is more Multiracial than neighboring Higganum (0.7% Multiracial), Lake Pocotopaug (0.5% Multiracial), and Glastonbury Center (1.8% Multiracial). Portland is less Multiracial than neighboring Middletown (5.2% Multiracial), and Durham (4.7% 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.