Grimes County, Texas ZIP codes
7 ZIP codes are in Grimes County, plus 5 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 31,897
- Avg. median income
- $71,000population-weighted
- Cities & towns
- 7
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ZIP codes in Grimes County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 77363 | Plantersville | 3,468 | $75,278 | $348,200 |
| 77830 | Anderson | 3,238 | $102,557 | $540,500 |
| 77831 | Bedias | 3,676 | $58,229 | $338,900 |
| 77861 | Iola | 3,065 | $67,275 | $499,500 |
| 77868 | Navasota | 18,416 | $67,890 | $276,900 |
| 77875 | Roans Prairie | 0 | — | — |
| 77876 | Shiro | 34 | — | — |
ZIP codes partly in Grimes County
These ZIP codes are mostly in a neighboring county but cover part of Grimes County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 77316 | Montgomery | Montgomery County | 34,694 | $124,055 | $415,500 |
| 77356 | Montgomery | Montgomery County | 32,583 | $106,804 | $363,100 |
| 77484 | Waller | Waller County | 14,348 | $81,250 | $348,600 |
| 77872 | North Zulch | Madison County | 2,026 | $87,188 | $364,700 |
| 77873 | Richards | Montgomery County | 1,383 | $80,938 | $425,400 |
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 and towns in Grimes County
Nearby counties
Frequently asked questions
How many ZIP codes are in Grimes County, Texas?
7 ZIP codes are mainly in Grimes County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Grimes County?
ZIP codes in Grimes County use the city names Anderson, Bedias, Iola, Navasota, Plantersville, Roans Prairie and Shiro.