Residential delivery area · Connecticut
ZIP Code 06811: Danbury, CT
ZIP code 06811 is in Danbury, Connecticut, entirely in Fairfield County (Census 2020 ZIP-county file). About 31,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Danbury's 2 residential ZIP codes. Median household income is $104,640 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Danbury · 2 residential ZIPs
- County
- Fairfield County
- Census places
- Danbury
- House district
- CT-5 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 21.0 sq mi · 1,487 people per sq mi
Where is ZIP code 06811?
06811 centers on 41.423°, -73.478° and covers 21.0 square miles of land plus 2.0 of water. It borders 4 ZIP codes: 06810, 06812, 06804, 10509.
The map draws ZIP code areas only. For the streets inside 06811, 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 06811 compare with the rest of Danbury?
| Measure | 06811 | In Danbury | In Fairfield County | In CT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 31,228 | 2nd of 2 | 10th of 46 | 27th of 288 |
| Median household income | $105k | 1st of 2 | 33rd of 45 | 133rd of 228 |
| Median home value | $421k | 1st of 2 | 37th of 46 | 76th of 245 |
Its median household income is higher than in 84% of U.S. residential ZIP codes, and it is denser than 82% 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 06811?
The 2020 Census counted 31,216 people in 06811; the ACS, which samples households over 2020-2024, estimates 31,228. Between the 2010 and 2020 censuses its population fell 0.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 31,228
- 2020 Census count
- 31,216−0.6% since 2010 (31,400)
- Households
- 11,802
- Median age
- 45.1
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 06811?
Of the 31,228 people the ACS estimates in 06811, 15.8% are under 18 and 21.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (57.1%), then Hispanic or Latino (21.6%).
- Under 1815.8%
- 18 to 6462.8%
- 65 and older21.5%
- White, not Hispanic57.1%
- Hispanic or Latino21.6%
- Black, not Hispanic9.9%
- Other or two or more6.6%
- Asian, not Hispanic4.8%
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 06811 earn?
Median household income is $104,640 (ACS 2020-2024), the 33rd highest of the 45 ranked ZIP codes in Fairfield County. It fell from $117,109 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $104,640
- Income per person
- $55,555
- Below the poverty line
- 6.7%
- Unemployed (of the labor force)
- 5.4%
- Adults 25+ with a bachelor's degree
- 41.3%
- Adjusted gross income per tax return, 2022
- $97,87615,540 returns; wages 70% 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 06811?
FHFA's house price index for 06811, built from repeat sales and appraisals of the same homes, rose 77% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved +5.4% in 2025.
- Median home value (owners' estimate)
- $421,200
- Median gross rent
- $1,767
- Homes owned by their occupants
- 77.3%
- Housing units
- 12,481
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 06811?
586 business establishments had a location in this ZIP code in 2023, 10 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction80
- Accommodation and food services78
- Retail trade76
- Professional, scientific, and technical services62
- Other services (except public administration)62
- Health care and social assistance58
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 06811?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06810 | Danbury | 55,833 | $77k | 3.3 mi |
| 06812 | New Fairfield | 13,584 | $138k | 4.0 mi |
| 06804 | Brookfield | 17,908 | $149k | 5.2 mi |
| 10509 | Brewster, NY | 20,046 | $117k | 6.1 mi |
| 06801 | Bethel | 20,796 | $117k | 5.9 mi (near) |
| 06877 | Ridgefield | 25,110 | $179k | 7.3 mi (near) |
| 12563 | Patterson, NY | 7,304 | $98k | 7.7 mi (near) |
| 10560 | North Salem, NY | 4,918 | $194k | 8.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.