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US ZIP Code Profile

ZIP Code 77868
Navasota, Texas

ZIP code 77868 is in Navasota, located in Grimes County, Texas. Its 2020 Census population was 16,647. The estimated median adjusted gross income per tax return is $40,158, and about 4% of filers report $200,000 or more.

2020 Population
16,647
Census ZCTA
County
Grimes
FIPS 48185
Median income (est.)
$40,158
IRS SOI 2022
Land Area
271.312 mi²
+ 3.617 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityNavasota, TX
CountyGrimes County (FIPS 48185)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.365776, -96.04642
Land / Water Area271.312 mi² land · 3.617 mi² water

02Income & Economics

Distribution of the 6,590 individual tax returns filed in 77868 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.0%
$25K–$50K
26.4%
$50K–$75K
15.2%
$75K–$100K
8.6%
$100K–$200K
11.5%
$200K+
4.2%
The $200,000+ bracket accounts for 28% of 77868's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($40,158) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77868's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,158
▲ 9.6%
Filers earning $200K+
4.2%
▲ 0.5 pt
Total filers
6,590
▲ 2.3%
GET /zipc/v2/zipcodes/77868/soi?year=… $35K 2020 $37K 2021 $40K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77868 ZCTA.

2000
14,773
 
2010
15,511
▲ +5.0%
2020
16,647
▲ +7.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number486250
City AliasesNavasota, White Hall

06Frequently Asked Questions

What county is ZIP code 77868 in?

ZIP code 77868 is in Grimes County, Texas (county FIPS code 48185).

What city is ZIP code 77868?

The primary USPS city for 77868 is Navasota, TX.

What is the population of ZIP code 77868?

The 2020 Census population of 77868 was 16,647 residents.

What is the median income in ZIP code 77868?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77868 is about $40,158, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.