Residential delivery area · Virginia
ZIP Code 23146: Rockville, VA
ZIP code 23146 uses the postal name Rockville, Virginia and lies mostly in Hanover County (78% of its land) with the rest in Goochland County (Census 2020 ZIP-county file). About 3,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $119,583 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Rockville · its only residential ZIP
- County
- Hanover County (78%); Goochland County (22%)
- Metro area
- Richmond, VA
- House district
- VA-5 119th Congress
- State
- Virginia
- Time zone
- Eastern
- Land area
- 32.3 sq mi · 107 people per sq mi
Where is ZIP code 23146?
23146 centers on 37.723°, -77.710° and covers 32.3 square miles of land plus 0.5 of water. It borders 6 ZIP codes: 23129, 23103, 23102, 23192, 23233, 23059.
The map draws ZIP code areas only. For the streets inside 23146, 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 23146 compare with the rest of Hanover County?
| Measure | 23146 | In Hanover County | In VA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,451 | 10th of 12 | 419th of 903 |
| Median household income | $120k | not ranked | not ranked |
| Median home value | $464k | 3rd of 12 | 130th of 552 |
23146's median household income is not ranked: its 90% margin of error (±$29,950) is more than a quarter of the figure ($119,583). 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 55% 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 23146?
The 2020 Census counted 3,151 people in 23146; the ACS, which samples households over 2020-2024, estimates 3,451. Between the 2010 and 2020 censuses its population grew 1.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,451±588 (90% margin)
- 2020 Census count
- 3,151+1.9% since 2010 (3,093)
- Households
- 1,288
- Median age
- 50.3
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 23146?
Of the 3,451 people the ACS estimates in 23146, 20.2% are under 18 and 23.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.0%).
- Under 1820.2%
- 18 to 6455.9%
- 65 and older23.9%
- White, not Hispanic83.0%
- Other or two or more8.8%
- Hispanic or Latino3.9%
- Black, not Hispanic2.4%
- Asian, 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 23146 earn?
Median household income is $119,583 (ACS 2020-2024). It is not measurably different from 2015-2019 ($139,452 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $119,583±$29,950
- Income per person
- $57,792
- Below the poverty line
- 1.0%
- Unemployed (of the labor force)
- 0.6%
- Adults 25+ with a bachelor's degree
- 48.5%
- Adjusted gross income per tax return, 2022
- $151,6811,650 returns; wages 50% 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 23146?
FHFA's house price index for 23146, built from repeat sales and appraisals of the same homes, rose 87% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +3.9% in 2025.
- Median home value (owners' estimate)
- $464,400
- Median gross rent
- $1,441
- Homes owned by their occupants
- 93.6%
- Housing units
- 1,324
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 23146?
150 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction44
- Administrative and support and waste management and remediation services30
- Other services (except public administration)17
- Wholesale trade11
- Professional, scientific, and technical services9
- Manufacturing7
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 23146?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 23129 | Oilville | 305 | $143k | 3.9 mi |
| 23103 | Manakin Sabot | 6,922 | $145k | 5.3 mi |
| 23102 | Maidens | 3,605 | $127k | 6.5 mi |
| 23192 | Montpelier | 6,629 | $111k | 6.9 mi |
| 23233 | Henrico | 31,582 | $126k | 7.1 mi |
| 23059 | Glen Allen | 42,522 | $158k | 7.6 mi |
| 23039 | Crozier | 938 | $156k | 7.0 mi (near) |
| 23160 | State Farm | 1,186 | – | 9.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.