Grundy
Source:
Iowa
Grundy is a sparsely populated county in Iowa with 8 ZIP codes, 11,363 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Grundy, IA sits among US counties with an upper-quartile household income, on a sparsely populated county population base, across a compact ZIP cluster.
- Top 15%
- household income vs 3,210 US counties
- 11,363
- combined ZIP population
- 8
- USPS ZIP codes covered
- $86,687
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Grundy lands in the national county income distribution as upper-quartile household income on sparsely populated county footing (FIPS 19075, 8 ZIPs, combined population 11,363). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (8 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving Grundy. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
8
Total ZIPs
11,363
Total Population
ZIP Codes in Grundy
Side-by-side: Compare 50638 vs 50669 →
Frequently Asked Questions
What is the population of Grundy?
Grundy has a total population of 11,363 across 8 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Grundy?
Grundy includes 8 ZIP codes: 50638, 50669, 50624, 50621, 50680, 50642, 50609, 50673.