Waterloo, OH ZIP code
The ZIP code for Waterloo, Ohio is 45688. It is in Lawrence County.
- Population in these ZIPs
- 210
- Avg. median income
- —population-weighted
- Typical home value
- $52,700population-weighted
- Metro area
- Huntington-Ashland, WV-KY-OH
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Waterloo, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 45688 | 210 | — | $52,700 |
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
Cities near Waterloo
- Patriot 7 mi
- Pedro 7 mi
- South Webster 10 mi
- Willow Wood 10 mi
- Oak Hill 10 mi
- Kitts Hill 11 mi
- Scottown 12 mi
- Scioto Furnace 12 mi
- Wheelersburg 13 mi
- Rio Grande 13 mi
- Ironton 14 mi
- Thurman 15 mi
Frequently asked questions
What is the ZIP code for Waterloo, OH?
The ZIP code for Waterloo, OH is 45688.
What county is Waterloo, Ohio in?
Waterloo ZIP codes are in Lawrence County.