Knox
Source:
Indiana
Knox is a smaller county in Indiana with 11 ZIP codes, 38,668 people, and below-median 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, Knox, IN sits among US counties with a below-median household income, on a smaller county population base, across a compact ZIP cluster.
- 46th pct
- household income vs 3,210 US counties
- 38,668
- combined ZIP population
- 11
- USPS ZIP codes covered
- $66,168
- 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.
Knox lands in the national county income distribution as below-median household income on smaller county footing (FIPS 18083, 11 ZIPs, combined population 38,668). Sort the ZIP table by population before treating the county mean as uniform.
Below-median income on a compact ZIP cluster (11 codes). Population density still swings from downtown to farm-edge; the density column is the fastest filter before a side-by-side compare. County-level HUD and FBI inputs still key off FIPS 18083.
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.
11
Total ZIPs
38,668
Total Population
ZIP Codes in Knox
Side-by-side: Compare 47591 vs 47512 →
Frequently Asked Questions
What is the population of Knox?
Knox has a total population of 38,668 across 11 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Knox?
Knox includes 11 ZIP codes: 47591, 47512, 47561, 47557, 47516, 47597, 47578, 47524, 47535, 47528, and more.