Onawa, IA Population

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

TABLE OF CONTENTS

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.

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.

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).

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.