Loudoun
Source:
Virginia
Loudoun is a major-metro county in Virginia with 17 ZIP codes, 310,009 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Loudoun, VA sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 1%
- household income vs 3,210 US counties
- 310,009
- combined ZIP population
- 17
- USPS ZIP codes covered
- $184,452
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Loudoun lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 51107, 17 ZIPs, combined population 310,009). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 20147 (Ashburn) with 54,086 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 51107, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
17
Total ZIPs
310,009
Total Population
ZIP Codes in Loudoun
Side-by-side: Compare 20147 vs 20176 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 20147 | Ashburn | 54,086 | 1,050 |
| 20176 | Leesburg | 46,506 | 315 |
| 20164 | Sterling | 37,747 | 1,966 |
| 20165 | Sterling | 32,383 | 1,273 |
| 20148 | Ashburn | 28,310 | 672 |
| 20175 | Leesburg | 27,169 | 168 |
| 20152 | Chantilly | 24,946 | 386 |
| 20132 | Purcellville | 15,900 | 74 |
| 20105 | Aldie | 11,315 | 118 |
| 20166 | Sterling | 9,521 | 211 |
| 20180 | Lovettsville | 6,549 | 59 |
| 20141 | Round Hill | 6,131 | 87 |
| 20158 | Hamilton | 4,288 | 114 |
| 20117 | Middleburg | 2,693 | 23 |
| 20197 | Waterford | 1,840 | 53 |
| 20129 | Paeonian Springs | 618 | 74 |
| 20118 | Middleburg | 7 | 262 |
Frequently Asked Questions
What is the population of Loudoun?
Loudoun has a total population of 310,009 across 17 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Loudoun?
Loudoun includes 17 ZIP codes: 20147, 20176, 20164, 20165, 20148, 20175, 20152, 20132, 20105, 20166, and more.