Clay
Source:
Iowa
Clay is a sparsely populated county in Iowa with 8 ZIP codes, 16,253 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, Clay, IA sits among US counties with an upper-quartile household income, on a sparsely populated county population base, across a compact ZIP cluster.
- Top 25%
- household income vs 3,210 US counties
- 16,253
- combined ZIP population
- 8
- USPS ZIP codes covered
- $78,456
- 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.
Clay lands in the national county income distribution as upper-quartile household income on sparsely populated county footing (FIPS 19041, 8 ZIPs, combined population 16,253). 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 Clay. 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
16,253
Total Population
ZIP Codes in Clay
Side-by-side: Compare 51301 vs 51338 →
Frequently Asked Questions
What is the population of Clay?
Clay has a total population of 16,253 across 8 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Clay?
Clay includes 8 ZIP codes: 51301, 51338, 51357, 51047, 51333, 51366, 51343, 51341.