According to the most recent ZIP code 50057 Iowa demographics data available from the United States Census Bureau released in the American Community Survey in December of 2020, Figure 1 ZIP code 50057 depicts it has a Population 2019 of 315 which is less than most other zip codes in the local area. The zip code with the highest population in the area is 50138 which depicts a population of 11,940 ( very much bigger). Figure 3 uses the ZIP code 50057 population data for a comparison of the population growth/population change estimates from the years 2010 to 2019 and 50057 Iowa depicts an increase of 77 (32%).
The total ZIP code 50057 Iowa greater area population percent change for all areas for the years from 2010 to 2019 is shown in Figure 4 and for 50057 shows it has a Population Change of 32.4% which is the most of all zip codes in the greater ZIP code 50057 region.
Looking at the ZIP code 50057 population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, 50057 Iowa depicts it has 16 people per square mile which is the second smallest when ranked by population density of all the other zip codes in the greater region. The next higher in terms of population density is 50150 9.0% larger with population density of 17. The zip code with the highest population density in the area is 50163 which depicts a people per square mile of 1,476 ( markedly bigger). Figure 6 provides ZIP code 50057 demographics for the overall median age for all people in the region and 50057 depicts it has a Median Age of 39.4 which is the third most of all other zip codes in the area. The zip code with the highest overall median age of all people in the area is 50163 which depicts an age of 51.5 (30.7% larger). The ZIP code 50057 Iowa population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. 50057 Iowa depicts a median age of men only slightly larger as the median age of women.
The next demographic analysis (Figure 8) looks at large generational ZIP code 50057 population groups (and can be useful internet research for employment related research or identifying areas with retirees). Key findings in this chart includes that 50057 Iowa has the smallest proportion of people less than 20 years of age at 3.2% of the total. Second, it has the largest proportion of people between 20 and 29 years old at 23.8% of the total and is ranked #1. Third, it has the smallest proportion of people between 50 and 59 yeasr old at 5.1% of the total. Also, it has less than most other zip codes in the metro area in order of people between 60 and 69 years old at 8.6% of the total.