Newton, IA Demographics

A map of Newton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	13,514	13,933	86.1%	88.4%
Multiracial	972	568	6.2%	3.6%
Hispanic	896	606	5.7%	3.8%
Black	228	435	1.5%	2.8%
Native American/Other	76	93	0.5%	0.6%
Asian	14	125	0.1%	0.8%

Newton, Iowa has an estimated population of 15,700, a less than 1% change from the 15,760 recorded in the 2020 Census. The population is 86.1% White, 6.2% Multiracial, 5.7% Hispanic, 1.5% Black, 0.5% Native American/Other, and 0.1% Asian. This demographic dot map shows the population of Newton, with one dot drawn for each person counted by the Census, color-coded by race.

Newton has become 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 Newton, that probability was 21.5% in 2020 and 25.2% in the most recent ACS estimates.

Newton is ranked the 31st 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). Newton was ranked the 30th most populous place in the 2020 Census.

Newton's White Population

13,514 residents of Newton, or 86.1% of the population, identify as White. The share of White residents in Newton is slightly higher than in Iowa overall, where 82.3% of the population is White. Newton ranks 816th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's White population has declined by an estimated 3.0%. White residents' share of Newton's population has decreased from 88.4% to 86.1%.

Newton is less White than neighboring Lambs Grove (98.9% White), Reasnor (97.4% White), Kellogg (97.5% White), Baxter (99.4% White), and Monroe (95.9% White).

Newton's Black Population

228 residents of Newton, or 1.5% of the population, identify as Black. The share of Black residents in Newton is slightly lower than in Iowa overall, where 3.8% of the population is Black. Newton ranks 72nd statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's Black population has declined by an estimated 47.6%. Black residents' share of Newton's population has decreased from 2.8% to 1.5%.

Newton is more Black than neighboring Lambs Grove (0% Black), Reasnor (0% Black), Kellogg (0% Black), Baxter (0% Black), and Monroe (0.1% Black).

Newton's Asian Population

14 residents of Newton, or 0.1% of the population, identify as Asian. The share of Asian residents in Newton is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Newton ranks 182nd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's Asian population has declined by an estimated 88.8%. Asian residents' share of Newton's population has decreased from 0.8% to 0.1%.

Newton is more Asian than neighboring Lambs Grove (0% Asian), Reasnor (0% Asian), and Baxter (0% Asian). Newton is less Asian than neighboring Kellogg (0.7% Asian), and Monroe (1.5% Asian).

Newton's Hispanic Population

896 residents of Newton, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Newton is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Newton ranks 306th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's Hispanic population has grown by an estimated 47.9%. Hispanic residents' share of Newton's population has increased from 3.8% to 5.7%.

Newton is more Hispanic than neighboring Lambs Grove (1.1% Hispanic), Reasnor (1.3% Hispanic), Kellogg (1.6% Hispanic), Baxter (0.2% Hispanic), and Monroe (1.3% Hispanic).

Newton's Native American/Other Population

76 residents of Newton, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Newton is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Newton ranks 282nd statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's Native American/Other population has declined by an estimated 18.3%. Native American/Other residents' share of Newton's population has remained roughly unchanged at 0.5%.

Newton is more Native American/Other than neighboring Lambs Grove (0% Native American/Other), Reasnor (0% Native American/Other), Kellogg (0% Native American/Other), Baxter (0% Native American/Other), and Monroe (0.3% Native American/Other).

Newton's Multiracial Population

972 residents of Newton, or 6.2% of the population, identify as Multiracial. The share of Multiracial residents in Newton is slightly higher than in Iowa overall, where 3.5% of the population is Multiracial. Newton ranks 265th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Newton's Multiracial population has grown by an estimated 71.1%. Multiracial residents' share of Newton's population has increased from 3.6% to 6.2%.

Newton is more Multiracial than neighboring Lambs Grove (0% Multiracial), Reasnor (1.3% Multiracial), Kellogg (0.1% Multiracial), Baxter (0.4% Multiracial), and Monroe (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.