Putnam
Source:
Indiana
Putnam is a smaller county in Indiana with 9 ZIP codes, 42,018 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, Putnam, IN sits among US counties with an upper-quartile household income, on a smaller county population base, across a compact ZIP cluster.
- Top 25%
- household income vs 3,210 US counties
- 42,018
- combined ZIP population
- 9
- USPS ZIP codes covered
- $78,978
- 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.
Putnam lands in the national county income distribution as upper-quartile household income on smaller county footing (FIPS 18133, 9 ZIPs, combined population 42,018). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (9 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving Putnam. 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.
9
Total ZIPs
42,018
Total Population
ZIP Codes in Putnam
Side-by-side: Compare 46135 vs 46120 →
Frequently Asked Questions
What is the population of Putnam?
Putnam has a total population of 42,018 across 9 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Putnam?
Putnam includes 9 ZIP codes: 46135, 46120, 46121, 46172, 46128, 46105, 46171, 47456, 46175.