Residential delivery area · Texas
ZIP Code 75840: Fairfield, TX
ZIP code 75840 uses the postal name Fairfield, Texas and lies entirely in Freestone County (Census 2020 ZIP-county file). About 7,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $58,224 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Fairfield; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fairfield · its only residential ZIP
- County
- Freestone County
- Census places
- Fairfield
- House district
- TX-6 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 267.5 sq mi · 26 people per sq mi
Where is ZIP code 75840?
75840 centers on 31.783°, -96.094° and covers 267.5 square miles of land plus 4.4 of water. It borders 8 ZIP codes: 75859, 75861, 75860, 75855, 75831, 75751, 75144, 75148.
The map draws ZIP code areas only. For the streets inside 75840, 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 75840 compare with the rest of Freestone County?
| Measure | 75840 | In Freestone County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 6,994 | 2nd of 9 | 927th of 1,990 |
| Median household income | $58k | 2nd of 5 | 891st of 1,172 |
| Median home value | $206k | 1st of 4 | 726th of 1,172 |
Its median household income is higher than in 26% of U.S. residential ZIP codes, and it is denser than 31% 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 75840?
The 2020 Census counted 7,029 people in 75840; the ACS, which samples households over 2020-2024, estimates 6,994. Between the 2010 and 2020 censuses its population fell 0.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,994
- 2020 Census count
- 7,029−0.7% since 2010 (7,076)
- Households
- 2,507
- Median age
- 40.0
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 75840?
Of the 6,994 people the ACS estimates in 75840, 26.2% are under 18 and 20.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (67.5%), then Hispanic or Latino (15.4%).
- Under 1826.2%
- 18 to 6453.6%
- 65 and older20.1%
- White, not Hispanic67.5%
- Hispanic or Latino15.4%
- Black, not Hispanic14.6%
- Other or two or more2.4%
- Asian, not Hispanic0.0%
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 75840 earn?
Median household income is $58,224 (ACS 2020-2024), the 2nd highest of the 5 ranked ZIP codes in Freestone County. It is not measurably different from 2015-2019 ($67,484 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $58,224±$9,677
- Income per person
- $32,688
- Below the poverty line
- 15.6%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 19.7%
- Adjusted gross income per tax return, 2022
- $68,4943,200 returns; wages 67% 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 75840?
FHFA's house price index for 75840, built from repeat sales and appraisals of the same homes, rose 77% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved −4.8% in 2025.
- Median home value (owners' estimate)
- $206,200
- Median gross rent
- $878
- Homes owned by their occupants
- 68.1%
- Housing units
- 3,071
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 75840?
210 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade32
- Other services (except public administration)32
- Accommodation and food services28
- Finance and insurance17
- Health care and social assistance17
- Professional, scientific, and technical services13
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 75840?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 75859 | Streetman | 2,337 | $75k | 11.9 mi |
| 75861 | Tennessee Colony | 1,381 | $54k | 13.0 mi |
| 75860 | Teague | 6,624 | $60k | 14.2 mi |
| 75855 | Oakwood | 2,635 | $46k | 20.6 mi |
| 75831 | Buffalo | 4,881 | $52k | 21.9 mi |
| 75751 | Athens | 18,644 | $71k | 22.3 mi |
| 75144 | Kerens | 3,581 | $63k | 23.5 mi |
| 75148 | Malakoff | 5,842 | $69k | 24.0 mi |
| 75886 | Tennessee Colony | 2,456 | – | 10.4 mi (near) |
| 75884 | Tennessee Colony | 2,697 | – | 11.8 mi (near) |
| 75848 | Kirvin | 64 | $84k | 14.1 mi (near) |
| 75853 | Montalba | 999 | $72k | 19.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.