Lewis, IA Demographics
A map of Lewis's Population by Race
Lewis, Iowa has an estimated population of 461, a large increase from the 357 recorded in the 2020 Census. The population is 91.3% White, 4.6% Multiracial, 4.1% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Lewis, with one dot drawn for each person counted by the Census, color-coded by race.
Lewis has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Lewis, that probability was 9.7% in 2020 and 16.2% in the most recent ACS estimates.
Lewis is ranked the 485th most populous place in Iowa, out of 1,026 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). Lewis was ranked the 539th most populous place in the 2020 Census.
Lewis's White Population
421 residents of Lewis, or 91.3% of the population, identify as White. The share of White residents in Lewis is higher than in Iowa overall, where 82.3% of the population is White. Lewis ranks 303rd statewide in terms of White residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's White population has grown by an estimated 24.2%. White residents' share of Lewis's population has decreased from 95.0% to 91.3%.
Lewis is less White than neighboring Atlantic (93.4% White), Marne (96.9% White), Elliott (100% White), and Grant (100% White).
Lewis's Black Population
0 residents of Lewis, or 0.0% of the population, identify as Black. The share of Black residents in Lewis is slightly lower than in Iowa overall, where 3.8% of the population is Black. Lewis ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's Black population has grown from 0 to an estimated 0. Black residents' share of Lewis's population has remained roughly unchanged at 0.0%.
Lewis is less Black than neighboring Atlantic (1.7% Black).
Lewis's Asian Population
0 residents of Lewis, or 0.0% of the population, identify as Asian. The share of Asian residents in Lewis is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Lewis ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's Asian population has grown from 0 to an estimated 0. Asian residents' share of Lewis's population has remained roughly unchanged at 0.0%.
Lewis is less Asian than neighboring Atlantic (0.4% Asian).
Lewis's Hispanic Population
19 residents of Lewis, or 4.1% of the population, identify as Hispanic. The share of Hispanic residents in Lewis is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Lewis ranks 298th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's Hispanic population has grown by an estimated 35.7%. Hispanic residents' share of Lewis's population has remained roughly unchanged at 4.1%.
Lewis is more Hispanic than neighboring Griswold (1.6% Hispanic), Atlantic (3.1% Hispanic), Marne (0% Hispanic), Elliott (0% Hispanic), and Grant (0% Hispanic).
Lewis's Native American/Other Population
0 residents of Lewis, 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 Lewis is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Lewis ranks 297th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Lewis's population has decreased from 0.6% to 0.0%.
Lewis is less Native American/Other than neighboring Griswold (0.6% Native American/Other), and Atlantic (0.7% Native American/Other).
Lewis's Multiracial Population
21 residents of Lewis, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Lewis is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Lewis ranks 944th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Lewis's Multiracial population has grown by an estimated 950.0%. Multiracial residents' share of Lewis's population has increased from 0.6% to 4.6%.
Lewis is more Multiracial than neighboring Atlantic (0.8% Multiracial), Marne (3.1% Multiracial), Elliott (0% Multiracial), and Grant (0% Multiracial). Lewis is less Multiracial than neighboring Griswold (6.5% 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.