Monona, IA Demographics

A map of Monona's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,471	1,408	96.1%	95.7%
Multiracial	40	33	2.6%	2.2%
Asian	12	10	0.8%	0.7%
Hispanic	8	16	0.5%	1.1%
Black	0	4	0.0%	0.3%
Native American/Other	0	0	0.0%	0.0%

Monona, Iowa has an estimated population of 1,531, an increase from the 1,471 recorded in the 2020 Census. The population is 96.1% White, 2.6% Multiracial, 0.8% Asian, 0.5% Hispanic, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Monona, with one dot drawn for each person counted by the Census, color-coded by race.

Monona has become slightly less 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 Monona, that probability was 8.3% in 2020 and 7.6% in the most recent ACS estimates.

Monona is ranked the 211th 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). Monona was ranked the 215th most populous place in the 2020 Census.

Monona's White Population

1,471 residents of Monona, or 96.1% of the population, identify as White. The share of White residents in Monona is considerably higher than in Iowa overall, where 82.3% of the population is White. Monona ranks 210th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monona's White population has grown by an estimated 4.5%. White residents' share of Monona's population has remained roughly unchanged at 96.1%.

Monona is more White than neighboring Postville (45.7% White), and Waterville (95.6% White). Monona is less White than neighboring Luana (98.4% White), Farmersburg (98.7% White), and St. Olaf (100% White).

Monona's Black Population

0 residents of Monona, or 0.0% of the population, identify as Black. The share of Black residents in Monona is slightly lower than in Iowa overall, where 3.8% of the population is Black. Monona ranks 505th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monona's Black population has declined by an estimated 100.0%. Black residents' share of Monona's population has remained roughly unchanged at 0.0%.

Monona is less Black than neighboring Luana (0.6% Black), and Postville (11% Black).

Monona's Asian Population

12 residents of Monona, or 0.8% of the population, identify as Asian. The share of Asian residents in Monona is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Monona ranks 217th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monona's Asian population has grown by an estimated 20.0%. Asian residents' share of Monona's population has remained roughly unchanged at 0.8%.

Monona is more Asian than neighboring Luana (0% Asian), Farmersburg (0% Asian), St. Olaf (0% Asian), Postville (0.3% Asian), and Waterville (0% Asian).

Monona's Hispanic Population

8 residents of Monona, or 0.5% of the population, identify as Hispanic. The share of Hispanic residents in Monona is lower than in Iowa overall, where 7.3% of the population is Hispanic. Monona ranks 819th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monona's Hispanic population has declined by an estimated 50.0%. Hispanic residents' share of Monona's population has decreased from 1.1% to 0.5%.

Monona is more Hispanic than neighboring Luana (0% Hispanic), and St. Olaf (0% Hispanic). Monona is less Hispanic than neighboring Farmersburg (0.8% Hispanic), Postville (42.5% Hispanic), and Waterville (2.9% Hispanic).

Monona's Native American/Other Population

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

Monona's Multiracial Population

40 residents of Monona, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Monona is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Monona ranks 639th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monona's Multiracial population has grown by an estimated 21.2%. Multiracial residents' share of Monona's population has remained roughly unchanged at 2.6%.

Monona is more Multiracial than neighboring Luana (0.9% Multiracial), Farmersburg (0.5% Multiracial), St. Olaf (0% Multiracial), Postville (0.5% Multiracial), and Waterville (1.5% 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.