Residential delivery area · Virginia
ZIP Code 20158: Hamilton, VA
ZIP code 20158 uses the postal name Hamilton, Virginia and lies entirely in Loudoun County (Census 2020 ZIP-county file). About 5,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $211,522 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Hamilton, and 1% in smaller places; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hamilton · its only residential ZIP
- County
- Loudoun County
- Census places
- Hamilton
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House district
- VA-10 119th Congress
- State
- Virginia
- Time zone
- Eastern
- Land area
- 13.3 sq mi · 376 people per sq mi
- PO Box ZIPs
- 20159 also use the name Hamilton
Where is ZIP code 20158?
20158 centers on 39.140°, -77.659° and covers 13.3 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 20129, 20132, 20197, 20175, 20176.
The map draws ZIP code areas only. For the streets inside 20158, 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 20158 compare with the rest of Loudoun County?
| Measure | 20158 | In Loudoun County | In VA |
|---|---|---|---|
| People (ACS 2020-2024) | 4,979 | 14th of 20 | 359th of 903 |
| Median household income | $212k | 3rd of 14 | 12th of 461 |
| Median home value | $766k | 8th of 17 | 39th of 552 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 69% 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 20158?
The 2020 Census counted 4,639 people in 20158; the ACS, which samples households over 2020-2024, estimates 4,979. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 4,979±1,319 (90% margin)
- 2020 Census count
- 4,639
- Households
- 1,580
- Median age
- 43.5
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 20158?
Of the 4,979 people the ACS estimates in 20158, 23.7% are under 18 and 21.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.8%).
- Under 1823.7%
- 18 to 6454.4%
- 65 and older21.9%
- White, not Hispanic83.8%
- Asian, not Hispanic5.8%
- Hispanic or Latino5.1%
- Other or two or more3.4%
- Black, not Hispanic1.9%
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 20158 earn?
Median household income is $211,522 (ACS 2020-2024), the 3rd highest of the 14 ranked ZIP codes in Loudoun County.
- Median household income
- $211,522±$49,509
- Income per person
- $77,592
- Below the poverty line
- 0.6%
- Unemployed (of the labor force)
- 7.2%
- Adults 25+ with a bachelor's degree
- 59.7%
- Adjusted gross income per tax return, 2022
- $207,2202,070 returns; wages 61% 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 20158?
FHFA's house price index for 20158, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved −1.0% in 2025.
- Median home value (owners' estimate)
- $765,800
- Median gross rent
- –
- Homes owned by their occupants
- 82.2%
- Housing units
- 1,592
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 20158?
89 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services17
- Construction15
- Other services (except public administration)14
- Administrative and support and waste management and remediation services11
- Retail trade8
- Real estate and rental and leasing6
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 20158?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20129 | Paeonian Springs | 538 | $250k+ | 3.9 mi |
| 20132 | Purcellville | 19,817 | $182k | 4.1 mi |
| 20197 | Waterford | 1,825 | $191k | 4.2 mi |
| 20175 | Leesburg | 34,733 | $175k | 6.0 mi |
| 20176 | Leesburg | 51,471 | $168k | 7.3 mi |
| 20141 | Round Hill | 8,359 | $211k | 7.2 mi (near) |
| 20180 | Lovettsville | 7,531 | $152k | 9.0 mi (near) |
| 20117 | Middleburg | 2,790 | $146k | 10.5 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 Hamilton?
1 more ZIP code carries the postal name Hamilton, VA 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 |
|---|---|
| 20159 | Loudoun 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.