Martensdale, IA Demographics

A map of Martensdale's Population by Race

Martensdale, Iowa has an estimated population of 569, a dramatic increase from the 421 recorded in the 2020 Census. The population is 88.9% White, 6.5% Multiracial, 3.3% Hispanic, 1.1% Black, 0.2% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Martensdale, with one dot drawn for each person counted by the Census, color-coded by race.

Martensdale 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 Martensdale, that probability was 12.6% in 2020 and 20.4% in the most recent ACS estimates.

Martensdale is ranked the 439th 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). Martensdale was ranked the 490th most populous place in the 2020 Census.

Martensdale's White Population

506 residents of Martensdale, or 88.9% of the population, identify as White. The share of White residents in Martensdale is higher than in Iowa overall, where 82.3% of the population is White. Martensdale ranks 474th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Martensdale's White population has grown by an estimated 28.8%. White residents' share of Martensdale's population has decreased from 93.3% to 88.9%.

Martensdale is more White than neighboring Bevington (80% White), Spring Hill (87.2% White), and St. Charles (86.5% White). Martensdale is less White than neighboring St. Marys (97.9% White), and Cumming (92.1% White).

Martensdale's Black Population

6 residents of Martensdale, or 1.1% of the population, identify as Black. The share of Black residents in Martensdale is slightly lower than in Iowa overall, where 3.8% of the population is Black. Martensdale ranks 525th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Martensdale's Black population has grown by an estimated 500.0%. Black residents' share of Martensdale's population has increased from 0.2% to 1.1%.

Martensdale is more Black than neighboring Bevington (0% Black), St. Marys (0% Black), Spring Hill (0% Black), and St. Charles (0% Black). Martensdale is less Black than neighboring Cumming (2% Black).

Martensdale's Asian Population

0 residents of Martensdale, or 0.0% of the population, identify as Asian. The share of Asian residents in Martensdale is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Martensdale ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

Martensdale is less Asian than neighboring Cumming (0.9% Asian).

Martensdale's Hispanic Population

19 residents of Martensdale, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Martensdale is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Martensdale ranks 746th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Martensdale's Hispanic population has grown by an estimated 216.7%. Hispanic residents' share of Martensdale's population has increased from 1.4% to 3.3%.

Martensdale is more Hispanic than neighboring Bevington (0% Hispanic), St. Marys (0% Hispanic), and Cumming (1.8% Hispanic). Martensdale is less Hispanic than neighboring Spring Hill (5.1% Hispanic), and St. Charles (10.4% Hispanic).

Martensdale's Native American/Other Population

1 residents of Martensdale, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Martensdale is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Martensdale ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Martensdale's Native American/Other population has grown from 0 to an estimated 1. Native American/Other residents' share of Martensdale's population has remained roughly unchanged at 0.2%.

Martensdale is more Native American/Other than neighboring St. Marys (0% Native American/Other), Spring Hill (0% Native American/Other), and Cumming (0% Native American/Other). Martensdale is less Native American/Other than neighboring Bevington (20% Native American/Other), and St. Charles (1.3% Native American/Other).

Martensdale's Multiracial Population

37 residents of Martensdale, or 6.5% of the population, identify as Multiracial. The share of Multiracial residents in Martensdale is slightly higher than in Iowa overall, where 3.5% of the population is Multiracial. Martensdale ranks 118th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Martensdale's Multiracial population has grown by an estimated 76.2%. Multiracial residents' share of Martensdale's population has increased from 5.0% to 6.5%.

Martensdale is more Multiracial than neighboring Bevington (0% Multiracial), St. Marys (2.1% Multiracial), St. Charles (1.8% Multiracial), and Cumming (3.1% Multiracial). Martensdale is less Multiracial than neighboring Spring Hill (7.7% 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.