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zipcodes.pro — STATE/TX/COUNTY/GRIMES

Grimes County, TX ZIP codes

There are 7 ZIP codes in Grimes County, TX, in 7 towns, from 77363 to 77876. The largest are 77868 (Navasota), 77363 (Plantersville) and 77830 (Anderson).

The county seat is Anderson.

ZIP codes
7
Towns
7
County seat
Anderson
County FIPS
48185
State
Texas
Population
31,340
Median household income
$69,803
Land area
787 sq mi
Area code
936

Grimes County ZIP codes by town

Anderson (county seat)
77830

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Grimes County ZIP codes

The ZIP codes of Grimes County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Grimes County in numbers

About 31,340 people live in Grimes County, in 10,255 households, the 92nd most populous of Texas's 254 counties. The median household income is $69,803 a year, 11% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $237,400 (16% below the Texas median), and median gross rent is $1,069 a month. The median age is 40.1; 19.7% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 36 minutes.

Population31,340Grimes31,340
Households10,255Grimes10,255
Median age40.1Grimes40.1Texas35.6US 38.9
Median household income$69,803Grimes$69,803Texas$78,476US $80,734
Median home value$237,400Grimes$237,400Texas$283,800US $332,700
Median gross rent$1,069Grimes$1,069Texas$1,403US $1,413
Bachelor's degree or higher19.7%Grimes19.7%Texas33.8%US 35.7%
Mean commute35.9 minGrimes35.9 minTexas26.7 minUS 26.4 min
Population density40 / sq miGrimes40 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Grimes County

Largest towns in Grimes County
TownZIP codesPopulation
Navasota 1 8,542
Plantersville 1 579
Bedias 1 478
Iola 1 372
Anderson 1 202
Shiro 1 159

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Grimes County.

Not sure you are in Grimes County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Grimes County, with figures

ZIP codes in Grimes County
ZIP City Type Population Median income Median home
77363 Plantersville , TX Standard 3,468 $75,278 $318,200
77830 Anderson , TX Standard 3,238 $102,557 $350,000
77831 Bedias , TX Standard 3,676 $58,229 $195,200
77861 Iola , TX Standard 3,065 $67,275 $232,500
77868 Navasota , TX Standard 18,416 $67,890 $214,800
77875 Roans Prairie , TX Standard 0 — —
77876 Shiro , TX Standard 34 — —

Cite this page

zipcodes.pro. “Grimes County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/grimes

Underlying data is public domain or openly licensed — sources, vintages and licences.