Residential delivery area · Connecticut
ZIP Code 06778: Northfield, CT
ZIP code 06778 uses the postal name Northfield, Connecticut and lies entirely in Litchfield County (Census 2020 ZIP-county file). About 1,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,375 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Northfield · its only residential ZIP
- County
- Litchfield County
- House district
- CT-5 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 5.5 sq mi · 284 people per sq mi
Where is ZIP code 06778?
06778 centers on 41.718°, -73.104° and covers 5.5 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 06787, 06791, 06759.
The map draws ZIP code areas only. For the streets inside 06778, 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 06778 compare with the rest of Litchfield County?
| Measure | 06778 | In Litchfield County | In CT |
|---|---|---|---|
| People (ACS 2020-2024) | 1,574 | 28th of 43 | 241st of 288 |
| Median household income | $81k | not ranked | not ranked |
| Median home value | $322k | 25th of 31 | 170th of 245 |
06778's median household income is not ranked: its 90% margin of error (±$63,595) is more than a quarter of the figure ($81,375). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 66% of 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 06778?
The 2020 Census counted 1,243 people in 06778; the ACS, which samples households over 2020-2024, estimates 1,574. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,574±473 (90% margin)
- 2020 Census count
- 1,243
- Households
- 530
- Median age
- 49.5
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 06778?
Of the 1,574 people the ACS estimates in 06778, 15.8% are under 18 and 17.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.4%), then Other or two or more (12.0%).
- Under 1815.8%
- 18 to 6466.4%
- 65 and older17.9%
- White, not Hispanic77.4%
- Other or two or more12.0%
- Asian, not Hispanic5.8%
- Hispanic or Latino4.6%
- Black, 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 06778 earn?
Median household income is $81,375 (ACS 2020-2024).
- Median household income
- $81,375±$63,595
- Income per person
- $45,921
- Below the poverty line
- 3.2%
- Unemployed (of the labor force)
- 7.0%
- Adults 25+ with a bachelor's degree
- 20.5%
- Adjusted gross income per tax return, 2022
- $86,406670 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 06778?
- Median home value (owners' estimate)
- $321,600
- Median gross rent
- $1,021
- Homes owned by their occupants
- 95.8%
- Housing units
- 595
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 06778?
16 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction7
- Administrative and support and waste management and remediation services3
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 06778?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06787 | Thomaston | 7,509 | $103k | 3.4 mi |
| 06791 | Harwinton | 5,602 | $130k | 3.7 mi |
| 06759 | Litchfield | 5,442 | $106k | 6.6 mi |
| 06786 | Terryville | 9,768 | $87k | 5.5 mi (near) |
| 06763 | Morris | 2,151 | $110k | 5.7 mi (near) |
| 06782 | Plymouth | 1,978 | $125k | 6.2 mi (near) |
| 06795 | Watertown | 13,889 | $105k | 6.6 mi (near) |
| 06758 | Lakeside | 13 | – | 7.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.