Residential delivery area · Connecticut
ZIP Code 06877: Ridgefield, CT
ZIP code 06877 uses the postal name Ridgefield, Connecticut and lies entirely in Fairfield County (Census 2020 ZIP-county file). About 25,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $179,219 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Ridgefield (18%), Ridgebury (16%), West Mountain (6%), Lakes West (4%), Lakes East (3%), Route 7 Gateway (2%), Mamanasco Lake (1%) and Branchville (under 1%); 50% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Ridgefield · its only residential ZIP
- County
- Fairfield County
- Census places
- Ridgefield (18%) census-designated place; Ridgebury (16%) census-designated place; West Mountain (6%) census-designated place; Lakes West (4%) census-designated place
- House district
- CT-4 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 34.6 sq mi · 726 people per sq mi
- PO Box ZIPs
- 06879 also use the name Ridgefield
Where is ZIP code 06877?
06877 centers on 41.318°, -73.500° and covers 34.6 square miles of land plus 0.5 of water. It borders 6 ZIP codes: 10590, 06810, 10560, 06896, 06897, 10509.
The map draws ZIP code areas only. For the streets inside 06877, 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 06877 compare with the rest of Fairfield County?
| Measure | 06877 | In Fairfield County | In CT |
|---|---|---|---|
| People (ACS 2020-2024) | 25,110 | 14th of 46 | 49th of 288 |
| Median household income | $179k | 16th of 45 | 19th of 228 |
| Median home value | $836k | 15th of 46 | 16th of 245 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 75% 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 06877?
The 2020 Census counted 25,077 people in 06877; the ACS, which samples households over 2020-2024, estimates 25,110. Between the 2010 and 2020 censuses its population grew 1.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 25,110
- 2020 Census count
- 25,077+1.6% since 2010 (24,677)
- Households
- 9,194
- 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 06877?
Of the 25,110 people the ACS estimates in 06877, 24.8% are under 18 and 18.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (81.5%).
- Under 1824.8%
- 18 to 6456.6%
- 65 and older18.7%
- White, not Hispanic81.5%
- Hispanic or Latino8.0%
- Other or two or more4.7%
- Asian, not Hispanic3.1%
- Black, not Hispanic2.7%
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 06877 earn?
Median household income is $179,219 (ACS 2020-2024), the 16th highest of the 45 ranked ZIP codes in Fairfield County. It fell from $201,239 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $179,219
- Income per person
- $92,890
- Below the poverty line
- 3.5%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 72.6%
- Adjusted gross income per tax return, 2022
- $293,35911,700 returns; wages 66% 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 06877?
FHFA's house price index for 06877, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 59% from 2020 to 2025, and moved +9.0% in 2025.
- Median home value (owners' estimate)
- $836,200
- Median gross rent
- $2,026
- Homes owned by their occupants
- 83.5%
- Housing units
- 9,587
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 06877?
829 business establishments had a location in this ZIP code in 2023, 52 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services132
- Health care and social assistance103
- Retail trade94
- Other services (except public administration)81
- Accommodation and food services77
- Construction76
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 06877?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 10590 | South Salem, NY | 6,989 | $212k | 4.7 mi |
| 06810 | Danbury | 55,833 | $77k | 4.7 mi |
| 10560 | North Salem, NY | 4,918 | $194k | 5.3 mi |
| 06896 | Redding | 8,779 | $186k | 5.6 mi |
| 06897 | Wilton | 18,777 | $242k | 8.0 mi |
| 10509 | Brewster, NY | 20,046 | $117k | 8.1 mi |
| 10597 | Waccabuc, NY | 679 | $245k | 5.3 mi (near) |
| 10518 | Cross River, NY | 992 | $250k+ | 5.8 mi (near) |
| 06801 | Bethel | 20,796 | $117k | 6.8 mi (near) |
| 06811 | Danbury | 31,228 | $105k | 7.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Ridgefield?
1 more ZIP code carries the postal name Ridgefield, CT without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 06879 | Fairfield County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.