Waterville, IA Demographics

A map of Waterville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	131	104	95.6%	95.4%
Hispanic	4	1	2.9%	0.9%
Multiracial	2	4	1.5%	3.7%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%

Waterville, Iowa has an estimated population of 137, a large increase from the 109 recorded in the 2020 Census. The population is 95.6% White, 2.9% Hispanic, 1.5% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Waterville, with one dot drawn for each person counted by the Census, color-coded by race.

Waterville is about as racially diverse as it was in 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 Waterville, that probability was 8.8% in 2020 and 8.5% in the most recent ACS estimates.

Waterville is ranked the 791st 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). Waterville was ranked the 845th most populous place in the 2020 Census.

Waterville's White Population

131 residents of Waterville, or 95.6% of the population, identify as White. The share of White residents in Waterville is considerably higher than in Iowa overall, where 82.3% of the population is White. Waterville ranks 252nd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Waterville's White population has grown by an estimated 26.0%. White residents' share of Waterville's population has remained roughly unchanged at 95.6%.

Waterville is more White than neighboring Harpers Ferry (94.1% White), Lansing (94.4% White), Waukon (93% White), and Marquette (94.6% White). Waterville is less White than neighboring Monona (96.1% White).

Waterville's Black Population

0 residents of Waterville, or 0.0% of the population, identify as Black. The share of Black residents in Waterville is slightly lower than in Iowa overall, where 3.8% of the population is Black. Waterville ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

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

Waterville is less Black than neighboring Marquette (0.5% Black).

Waterville's Asian Population

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

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

Waterville is less Asian than neighboring Lansing (2.2% Asian), Monona (0.8% Asian), Waukon (0.6% Asian), and Marquette (0.5% Asian).

Waterville's Hispanic Population

4 residents of Waterville, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Waterville is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Waterville ranks 845th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Waterville's Hispanic population has grown by an estimated 300.0%. Hispanic residents' share of Waterville's population has increased from 0.9% to 2.9%.

Waterville is more Hispanic than neighboring Harpers Ferry (1.2% Hispanic), Lansing (1.1% Hispanic), Monona (0.5% Hispanic), and Marquette (2% Hispanic). Waterville is less Hispanic than neighboring Waukon (4.2% Hispanic).

Waterville's Native American/Other Population

0 residents of Waterville, 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 Waterville is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Waterville 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, Waterville's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Waterville's population has remained roughly unchanged at 0.0%.

Waterville is less Native American/Other than neighboring Waukon (0.2% Native American/Other).

Waterville's Multiracial Population

2 residents of Waterville, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Waterville is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Waterville ranks 255th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Waterville's Multiracial population has declined by an estimated 50.0%. Multiracial residents' share of Waterville's population has decreased from 3.7% to 1.5%.

Waterville is less Multiracial than neighboring Harpers Ferry (4.7% Multiracial), Lansing (2.2% Multiracial), Monona (2.6% Multiracial), Waukon (2% Multiracial), and Marquette (2.5% 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.