Onawa, IA Population

The population of Onawa is 2,894, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
2,894
Total Population
38.3
Median age
54.15%
Female population %
84.7:100
Gender ratio (M:F)
15-19 years
Largest age group
60.0
Total dependency ratio
White
Largest racial group
7
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

Onawa's population is young compared to the rest of the country:

  • The median age in Onawa is 38.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Onawa's population under 18 was 22.70%, compared to the 22.51% nationwide.
  • Onawa's elderly or the senior population (over 65 age) was 20.39% as compared to 16.04% nationwide.
  • Of the total population in Onawa, 17.10% were under the age of 15, 21.18% aged 15 to 29, 41.33% aged 30 to 64, 14.48% aged 65 to 84, and 5.91% were 85 years of age and older.
The graph shows Onawa's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Onawa, IA population by age group. The largest age group was 15-19 years with a poulation of 280 (9.68% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Onawa, IA population by age ➔

Gender

There are 240 more females than males in Onawa:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.15% females and 45.85% males in Onawa, IA.
  • The Onawa, IA gender ratio is 84.7:100 i.e. 84.7 men to 100 women (0.847).
  • For male population, the largest age group is 15-19 years with a population of 161.
  • For the female population, the largest age group is 35-39 years with a population of 140.
The grouped bar chart shows Onawa, IA population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 15-19 years (161) | Female # 35-39 years (140). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Onawa, IA population by gender ➔

Race / Ethnicity

Onawa's population has become increasingly diverse:

  • Racial distribution of Onawa population: 95.09% are White, 0.07% are Black or African American, 1.31% are American Indian and Alaska Native, 1.14% are Native Hawaiian and other Pacific Islander and 2.38% are multiracial.
  • Onawa's racial breakdown clearly shows that there is an absolute majority of White population in the city.
  • By ethnicity, 7 is Hispanic or Latino (of any race), and 2,824 (97.58% of the total population) is Non-Hispanic.
  • The largest racial group in Onawa is White with a population of 2,752 (95.09% of the total population).
The bar chart shows Onawa, IA population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Onawa, IA population by race. The largest racial group in Onawa is White with a population of 2,752 (95.09% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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Year by year

Onawa's population has already reached its peak and is showing a trend of decline:

  • The peak population was 3,088 in the year 2000
  • From 2000 to 2010, Onawa's population decreased by 87 (2.82%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Onawa's population decreased by 96 (3.20%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
  • Between the year 2000 and 2022, Onawa's population was lowest in year 2009 at 2,718.
The graph shows Onawa's population from 2000 to 2022, with years on x-axis and population on y-axis
Onawa's population from 2000 to 2022. The estimated population at the end of 2022 was 2,814. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Onawa, IA population by year ➔

References

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Onawa, IA Demographics

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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