Residential delivery area · Virginia
ZIP Code 22066: Great Falls, VA
ZIP code 22066 is in Great Falls, Virginia, entirely in Fairfax County (Census 2020 ZIP-county file). About 17,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $250,000 or more (Census Bureau, ACS 2020-2024). By Census place, 94% of its land lies in Great Falls (a census-designated place), and 6% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Great Falls · its only residential ZIP
- County
- Fairfax County
- Census places
- Great Falls census-designated place
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House district
- VA-11 119th Congress
- State
- Virginia
- Time zone
- Eastern
- Land area
- 25.6 sq mi · 672 people per sq mi
Where is ZIP code 22066?
22066 centers on 39.012°, -77.302° and covers 25.6 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 20194, 20854, 20170, 20164, 22182, 20165, 22102, 20874.
The map draws ZIP code areas only. For the streets inside 22066, 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 22066 compare with the rest of Fairfax County?
| Measure | 22066 | In Fairfax County | In VA |
|---|---|---|---|
| People (ACS 2020-2024) | 17,185 | 36th of 47 | 183rd of 903 |
| Median household income | $250k+ | 1= of 46 | 1= of 461 |
| Median home value | $1.31M | 2nd of 46 | 2nd of 552 |
1= means a shared first place: 22066's median household income ties with 3 other ZIP codes at the Census cap in Fairfax County; median household income ties with 3 other ZIP codes at the Census cap in Virginia.
Its median household income is at the Census cap of $250,000 or more, like 117 other U.S. residential ZIP codes (69 of the 118 are large enough to rank), 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 22066?
The 2020 Census counted 18,165 people in 22066; the ACS, which samples households over 2020-2024, estimates 17,185. Between the 2010 and 2020 censuses its population grew 0.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 17,185
- 2020 Census count
- 18,165+0.4% since 2010 (18,099)
- Households
- 5,678
- Median age
- 45.5
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 22066?
Of the 17,185 people the ACS estimates in 22066, 25.8% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.1%), then Asian (not Hispanic) (23.6%).
- Under 1825.8%
- 18 to 6455.3%
- 65 and older18.8%
- White, not Hispanic63.1%
- Asian, not Hispanic23.6%
- Other or two or more7.3%
- Hispanic or Latino4.5%
- Black, not Hispanic1.5%
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 22066 earn?
Median household income is $250,000 or more (ACS 2020-2024), the highest of the 46 ranked ZIP codes in Fairfax County.
- Median household income
- $250,000 or more
- Income per person
- $127,424
- Below the poverty line
- 2.0%
- Unemployed (of the labor force)
- 3.7%
- Adults 25+ with a bachelor's degree
- 85.5%
- Adjusted gross income per tax return, 2022
- $525,5348,660 returns; wages 38% 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 22066?
FHFA's house price index for 22066, built from repeat sales and appraisals of the same homes, rose 38% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved +4.4% in 2025.
- Median home value (owners' estimate)
- $1,310,200
- Median gross rent
- $3,500 or more
- Homes owned by their occupants
- 95.3%
- Housing units
- 5,833
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 22066?
562 business establishments had a location in this ZIP code in 2023, 36 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services204
- Health care and social assistance49
- Real estate and rental and leasing44
- Other services (except public administration)42
- Accommodation and food services33
- Construction30
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 22066?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20194 | Reston | 12,275 | $171k | 3.0 mi |
| 20854 | Potomac, MD | 50,498 | $250k+ | 4.6 mi |
| 20170 | Herndon | 43,866 | $160k | 4.7 mi |
| 20164 | Sterling | 43,436 | $136k | 5.1 mi |
| 22182 | Vienna | 27,783 | $205k | 5.3 mi |
| 20165 | Sterling | 34,088 | $183k | 5.8 mi |
| 22102 | McLean | 29,184 | $154k | 5.8 mi |
| 20874 | Germantown, MD | 62,738 | $115k | 8.3 mi |
| 20190 | Reston | 22,012 | $135k | 4.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.