National statistics · ACS 2023 5-Year (2019-2023)
US ZIP Code Statistics
National aggregates computed live from U.S. Census Bureau ACS 2023 5-Year Estimates, the HUD USPS ZIP crosswalk, and Census ZIP Code Business Patterns. Every figure below is a database total, not an estimate invented on this page.
- 33,099
- ZCTAs tracked
- 312,447,629
- residents covered
- 27,619
- city roll-ups
- $78,662
- mean ZIP median income
The national picture
A 33,099-ZCTA corpus joins ACS income, housing, and demographics with ZIP Business Patterns into one citable research surface, with California leading by ZIP-area population.
- 33,099
- ZCTAs tracked
- 312,447,629
- residents covered
- $78,662
- mean ZIP median income
- 8,315,398
- business establishments
Coverage follows published ZCTAs and Business Patterns rows. State averages of ZIP medians are not the same as household-weighted state medians published elsewhere by Census.
Key findings
Standalone facts, each computed live from the current dataset and free to quote with attribution.
- • PlainZIP tracks 33,099 ZIP Code Tabulation Areas across 52 states and territories, covering about 312,447,629 residents in the ACS 2023 5-Year Estimates.
- • The corpus includes 27,619 city roll-ups and 3,212 county roll-ups built from the same ZIP-level ACS rows.
- • California accounts for the largest ZIP-area population among the 50 states, DC, and Puerto Rico in this corpus (37,249,464 residents across 1,761 ZCTAs).
- • Texas has the most ZCTAs in the corpus (1,935), and the three densest ZIP-count states hold about 17% of every ZCTA.
- • Across ZCTAs with published income, the corpus mean of ZIP median household income is $78,662 (ACS median, not a household-weighted national mean).
- • New Jersey has the highest state average of ZIP median household income among the 50 states, DC, and Puerto Rico ($121,992).
- • 30,049 ZCTAs publish a median home value; the corpus mean of those ZIP medians is $297,916.
- • Of 32,322 ZCTAs with owner-occupancy rates, 22,828 (70.6%) have owner-occupied shares of 70% or higher.
States by ZIP-area population
Sum of ZCTA population for every reporting ZIP in the state (50 states + DC + Puerto Rico). Broad states can lead by ZIP count even when they do not lead by residents.
States by average ZIP median income
Mean of published ZIP median household incomes inside each state. This ranks the ZCTA corpus, not a household-weighted state median.
States with the most ZCTAs
| State | ZCTAs | Population | Avg ZIP median income |
|---|---|---|---|
| Texas | 1,935 | 25,144,800 | $75,579 |
| Pennsylvania | 1,795 | 12,702,102 | $77,864 |
| New York | 1,794 | 19,378,077 | $92,475 |
| California | 1,761 | 37,249,464 | $101,666 |
| Illinois | 1,383 | 12,830,581 | $80,067 |
| Ohio | 1,195 | 11,535,123 | $73,011 |
| Missouri | 1,022 | 5,989,092 | $66,851 |
| Michigan | 986 | 9,883,612 | $73,354 |
| Florida | 983 | 18,801,226 | $77,121 |
| Iowa | 934 | 3,046,945 | $76,594 |
See state rankings and the full methodology.
Free to reuse with attribution: download the state-level summary (CSV) (ZIP counts, population, and average income/home-value/median-age figures for every jurisdiction this page aggregates).
Next reads
- State rankings by population and ZIP count
- Browse every state
- Methodology, sources, and coverage limits
Figures are live aggregates from public Census and HUD records as currently loaded. ACS values are survey estimates; Business Patterns counts follow Census disclosure rules for small cells.