Marietta, OH micro area ZIP codes
The Marietta, OH micropolitan statistical area (CBSA 31930) covers 1 county in Ohio and 18 ZIP codes.
- ZIP codes
- 18
- Population
- 57,228
- Avg. median income
- $64,300population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Marietta, OH area
ZIP codes in the Marietta, OH area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 45712 PO Box | Barlow | Washington County | — | — | — |
| 45713 PO Box | Bartlett | Washington County | — | — | — |
| 45714 | Belpre | Washington County | 9,503 | $56,574 | $183,100 |
| 45721 | Coal Run | Washington County | 15 | — | — |
| 45724 | Cutler | Washington County | 1,218 | $58,500 | $180,800 |
| 45729 | Fleming | Washington County | 2,121 | $82,110 | $258,900 |
| 45742 | Little Hocking | Washington County | 3,752 | $78,194 | $204,300 |
| 45744 | Lowell | Washington County | 2,179 | $69,148 | $154,400 |
| 45746 | Macksburg | Washington County | 329 | $65,161 | $109,700 |
| 45750 | Marietta | Washington County | 26,420 | $60,229 | $188,400 |
| 45767 | New Matamoras | Washington County | 2,428 | $42,813 | $117,100 |
| 45768 | Newport | Washington County | 1,503 | $84,286 | $155,700 |
| 45773 | Reno | Washington County | 600 | $69,848 | $205,800 |
| 45784 | Vincent | Washington County | 3,002 | $82,713 | $247,900 |
| 45786 | Waterford | Washington County | 3,187 | $70,917 | $197,600 |
| 45787 PO Box | Watertown | Washington County | — | — | — |
| 45788 | Whipple | Washington County | 691 | $100,682 | $195,600 |
| 45789 | Wingett Run | Washington County | 280 | $81,649 | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Marietta, OH micro area?
18 ZIP codes, based on each ZIP code's main county.
Which counties make up the Marietta, OH area?
Washington County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).