Residential delivery area · Texas
ZIP Code 77836: Caldwell, TX
ZIP code 77836 uses the postal name Caldwell, Texas and lies mostly in Burleson County (98% of its land) with the rest in Milam County (Census 2020 ZIP-county file). About 13,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,625 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Caldwell (under 1%), Beaver Creek (under 1%), Cade Lakes (under 1%) and Tunis (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Caldwell · its only residential ZIP
- County
- Burleson County (98%); Milam County (2%)
- Census places
- Caldwell (under 1%); Beaver Creek (under 1%) census-designated place; Cade Lakes (under 1%) census-designated place; Tunis (under 1%) census-designated place
- Metro area
- College Station-Bryan, TX
- House districts
- TX-10 (98%), TX-17 (2%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 431.1 sq mi · 29 people per sq mi
Where is ZIP code 77836?
77836 centers on 30.538°, -96.681° and covers 431.1 square miles of land plus 5.9 of water. It borders 12 ZIP codes: 77852, 77863, 76556, 77878, 77807, 77879, 77867, 77853, 77857, 76567 and more.
The map draws ZIP code areas only. For the streets inside 77836, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 77836 compare with the rest of Burleson County?
| Measure | 77836 | In Burleson County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 12,670 | 1st of 6 | 740th of 1,990 |
| Median household income | $76k | 1st of 3 | 517th of 1,172 |
| Median home value | $215k | 2nd of 3 | 690th of 1,172 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 33% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 77836?
The 2020 Census counted 11,721 people in 77836; the ACS, which samples households over 2020-2024, estimates 12,670. Between the 2010 and 2020 censuses its population fell 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,670
- 2020 Census count
- 11,721−1.5% since 2010 (11,896)
- Households
- 5,139
- Median age
- 44.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 77836?
Of the 12,670 people the ACS estimates in 77836, 23.3% are under 18 and 21.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (66.1%), then Hispanic or Latino (21.8%).
- Under 1823.3%
- 18 to 6454.8%
- 65 and older21.9%
- White, not Hispanic66.1%
- Hispanic or Latino21.8%
- Black, not Hispanic8.5%
- Other or two or more3.5%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 77836 earn?
Median household income is $75,625 (ACS 2020-2024), the highest of the 3 ranked ZIP codes in Burleson County. It is not measurably different from 2015-2019 ($73,432 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,625±$12,723
- Income per person
- $38,423
- Below the poverty line
- 11.8%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 21.2%
- Adjusted gross income per tax return, 2022
- $80,3485,620 returns; wages 56% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 77836?
FHFA's house price index for 77836, built from repeat sales and appraisals of the same homes, rose 117% from 2015 to 2025 and rose 67% from 2020 to 2025, and moved +16.9% in 2025.
- Median home value (owners' estimate)
- $215,100
- Median gross rent
- $1,017
- Homes owned by their occupants
- 83.9%
- Housing units
- 6,075
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 77836?
263 business establishments had a location in this ZIP code in 2023, 31 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade42
- Construction33
- Other services (except public administration)31
- Accommodation and food services22
- Mining, quarrying, and oil and gas extraction19
- Wholesale trade19
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 77836?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 77852 | Deanville | 16 | – | 8.8 mi |
| 77863 | Lyons | 482 | – | 12.5 mi |
| 76556 | Milano | 1,692 | $52k | 14.7 mi |
| 77878 | Snook | 1,113 | $60k | 15.0 mi |
| 77807 | Bryan | 13,227 | $74k | 15.2 mi |
| 77879 | Somerville | 4,611 | $66k | 15.3 mi |
| 77867 | Mumford | 206 | $36k | 15.6 mi |
| 77853 | Dime Box | 884 | $60k | 15.8 mi |
| 77857 | Gause | 1,078 | $63k | 18.1 mi |
| 76567 | Rockdale | 9,032 | $70k | 21.7 mi |
| 78947 | Lexington | 5,044 | $85k | 23.7 mi |
| 77845 | College Station | 76,764 | $89k | 24.2 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.