Washington County, TX ZIP Codes
5 ZIP codes cover all or part of Washington County, Texas: 77833, 77835, 77880, 77426 and 78932. The Census Bureau counts 36,647 residents in the county, with a median household income of $77,825 and a median home value of $288,100. Median household income ranges from $73,388 in 77833 to $109,917 in 77835. Its largest communities include Brenham, Burton and Carmine.
Washington County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 36,647 |
| Households | 15,481 |
| Median household income | $77,825 |
| Median home value | $288,100 |
| Median age | 40.9 |
| Median rent | $1,165 |
All 5 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 37,167 |
| Households (sum of ZIP codes) | 15,730 |
| Median household income, range across ZIP codes | $73,388 (77833) to $109,917 (77835) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,490 |
| Homeowners | 69.7% |
| Households with kids under 18 | 25.7% |
| Moved in the past year | 15.6% |
| Carrier routes in EDDM2GO's route library | 30 routes, 16,951 homes (5 of 5 ZIP codes) |
Top facts
- Highest median household income in Washington County: 77835 ($109,917)
- Most residents: 77833 (29,498 people)
- Highest homeownership: 77835 (90.8% own their home)
- Most households with kids: 77833 (26.9% of households)
- Most new movers: 77833 (17.9% moved in last year)
- Youngest median age: 77426 (38.8 years)
- Highest median home value: 77426 ($592,300)
Every ZIP code in Washington County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77833 | Brenham | 29,498 | 12,446 | $73,388 | $280,500 | 66.0% | 26.9% | 17.9% | 23 | 14,725 | 92% of its land |
| 77835 | Burton | 2,569 | 1,011 | $109,917 | $394,700 | 90.8% | 15.5% | 1.8% | 2 | 997 | 99% of its land |
| 77880 | Washington | 2,517 | 1,184 | $90,856 | $270,800 | 87.8% | 22.8% | 3.4% | 2 | 949 | 100% of its land |
| 77426 | Chappell Hill | 2,007 | 829 | $80,446 | $592,300 | 69.5% | 25.6% | 17.3% | 2 | 1,078 | 79% of its land |
| 78932 | Carmine | 576 | 260 | $62,917 | $323,600 | 85.8% | 21.2% | 6.6% | 1 | 422 | 59% of its land |
A ZIP code is listed for Washington County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Brenham — 18,641 residents · 1 ZIP code
- Burton — 174 residents · 1 ZIP code
- Carmine — 173 residents · 1 ZIP code
Price a mailing to Washington County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Washington County, TX?
- 77833, 77835, 77880, 77426 and 78932. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Washington County?
- 36,647 residents in 15,481 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Washington County?
- $77,825 for the county as a whole. Its ZIP codes range from $73,388 (77833) to $109,917 (77835).
- Which Washington County ZIP code has the highest median household income?
- 77835, at $109,917, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Washington County?
- For the 5 of 5 ZIP codes in EDDM2GO's stored route library: 30 carrier routes reaching 16,951 residential and 1,211 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.