ZIP code
50579
Rockwell City, IA
50579 covers Rockwell City in Calhoun County, with 3,176 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 50579. Methodology
ZIP code map of 50579

About ZIP code 50579
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 50579. Not ACS. Methodology
People in 50579
Race
- White2,639
- Black or African American125
- American Indian or Alaska Native10
- Asian7
- Native Hawaiian and Pacific Islander1
- Other race38
- Two or more races75
Hispanic or Latino (any race): 113
Age
- Under 10284
- 10 to 19297
- 20 to 29339
- 30 to 39465
- 40 to 49385
- 50 to 59340
- 60 to 69397
- 70 to 79236
- 80 and older152
Income and housing in 50579
Education
- High school graduate90.8%
- Bachelor's degree20.2%
- Graduate degree6.3%
Places covering 50579
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Rockwell City77.4%
- Twin Lakes3.8%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Calhoun County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
18.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 50579
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,450 | |
| 2006 | 2,367 | |
| 2007 | 2,451 | |
| 2008 | 2,277 | |
| 2009 | 2,239 | |
| 2010 | 2,161 | |
| 2011 | 2,839 | 2,167 |
| 2012 | 2,939 | 2,180 |
| 2013 | 2,686 | 2,210 |
| 2014 | 2,735 | 2,190 |
| 2015 | 2,696 | 2,220 |
| 2016 | 2,779 | 2,180 |
| 2017 | 2,596 | 2,140 |
| 2018 | 2,682 | 2,180 |
| 2019 | 2,827 | 2,110 |
| 2020 | 2,729 | 2,180 |
| 2021 | 2,993 | 2,100 |
| 2022 | 3,153 | 2,070 |
| 2023 | 3,176 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 50579
12 nearest ZIP centroids (any distance)
- 50551Jolley8.7 miPop 31 · Income $2,500-
- 50552Knierim9.8 miPop 83 · Income $85,313
- 51453Lohrville10.2 miPop 472 · Income $66,250
- 51449Lake City10.2 miPop 1,951 · Income $66,750
- 50586Somers10.7 miPop 320 · Income $54,167
- 50563Manson10.8 miPop 2,461 · Income $78,261
- 50561Lytton11.2 miPop 677 · Income $67,188
- 50575Pomeroy11.9 miPop 677 · Income $55,694
- 50538Farnhamville12.8 miPop 523 · Income $59,250
- 51451Lanesboro14.8 miPop 65 · Income $36,250
- 51433Auburn15.1 miPop 567 · Income $62,500
- 50518Barnum15.2 miPop 366 · Income $84,830
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 50579, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 50579 FAQ
- What city is ZIP code 50579 in?
- 50579 is in Rockwell City, IA.
- What county is 50579 in?
- 50579 is in Calhoun County.
- What is the median household income in 50579?
- The median household income in 50579 is $69,464.
- Which ZIP codes are near 50579?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 50579.