Residential delivery area · Connecticut
ZIP Code 06825: Fairfield, CT
ZIP code 06825 uses the postal name Fairfield, Connecticut and lies entirely in Fairfield County (Census 2020 ZIP-county file). About 22,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Fairfield's 2 residential ZIP codes. Median household income is $135,504 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Sacred Heart University (a census-designated place), and 3% in smaller places; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fairfield · 2 residential ZIPs
- County
- Fairfield County
- Census places
- Sacred Heart University census-designated place
- House district
- CT-4 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 6.8 sq mi · 3,235 people per sq mi
- PO Box ZIPs
- 06828 also use the name Fairfield
Where is ZIP code 06825?
06825 centers on 41.197°, -73.243° and covers 6.8 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 06606, 06824, 06605, 06604, 06611, 06612.
The map draws ZIP code areas only. For the streets inside 06825, 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 06825 compare with the rest of Fairfield?
| Measure | 06825 | In Fairfield | In Fairfield County | In CT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 21,982 | 2nd of 2 | 17th of 46 | 58th of 288 |
| Median household income | $136k | 2nd of 2 | 25th of 45 | 49th of 228 |
| Median home value | $631k | 2nd of 2 | 18th of 46 | 23rd of 245 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 89% 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 06825?
The 2020 Census counted 22,090 people in 06825; the ACS, which samples households over 2020-2024, estimates 21,982. Between the 2010 and 2020 censuses its population grew 4.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 21,982
- 2020 Census count
- 22,090+4.6% since 2010 (21,123)
- Households
- 7,813
- Median age
- 41.8
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 06825?
Of the 21,982 people the ACS estimates in 06825, 21.2% are under 18 and 19.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.0%), then Hispanic or Latino (10.3%).
- Under 1821.2%
- 18 to 6459.8%
- 65 and older19.0%
- White, not Hispanic77.0%
- Hispanic or Latino10.3%
- Asian, not Hispanic6.2%
- Other or two or more5.1%
- Black, not Hispanic1.4%
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 06825 earn?
Median household income is $135,504 (ACS 2020-2024), the 25th highest of the 45 ranked ZIP codes in Fairfield County. It is not measurably different from 2015-2019 ($138,536 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $135,504
- Income per person
- $67,213
- Below the poverty line
- 5.0%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 62.1%
- Adjusted gross income per tax return, 2022
- $137,27510,100 returns; wages 71% 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 06825?
FHFA's house price index for 06825, built from repeat sales and appraisals of the same homes, rose 63% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +5.3% in 2025.
- Median home value (owners' estimate)
- $630,600
- Median gross rent
- $1,959
- Homes owned by their occupants
- 80.9%
- Housing units
- 8,131
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 06825?
622 business establishments had a location in this ZIP code in 2023, 9 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade92
- Accommodation and food services80
- Health care and social assistance77
- Professional, scientific, and technical services71
- Other services (except public administration)67
- Construction54
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 06825?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06606 | Bridgeport | 49,308 | $73k | 2.2 mi |
| 06824 | Fairfield | 36,716 | $193k | 2.5 mi |
| 06605 | Bridgeport | 25,929 | $56k | 2.8 mi |
| 06604 | Bridgeport | 31,771 | $50k | 3.4 mi |
| 06611 | Trumbull | 37,281 | $163k | 5.5 mi |
| 06612 | Easton | 7,670 | $223k | 5.6 mi |
| 06608 | Bridgeport | 12,146 | $46k | 3.3 mi (near) |
| 06890 | Southport | 4,653 | $219k | 4.0 mi (near) |
| 06610 | Bridgeport | 22,020 | $52k | 4.2 mi (near) |
| 06607 | Bridgeport | 7,979 | $50k | 4.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.