Herndon, VA · standard
ZIP Code 20171
Fairfax County, Virginia — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 45,887
- 1,463/sq mi
- $171,372
- Median income
- $797,200
- Median home value
- 75.0%
- Bachelor's or higher
The verdict
Herndon pairs a top-decile household income with top-decile home values, in a low-density, mixed-tenure area.
- Top 2%
- household income, US ZIPs
- Top 5%
- home value, US ZIPs
- 1,463
- people per sq mi
- 57%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20171 against every reporting US ZIP.
ZIP code 20171 is classified by USPS as a standard delivery area and covers roughly 31.4 square miles in Herndon, Fairfax County, Virginia. The area is home to 45,887 residents, producing a population density of 1,463 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 20171 against Virginia and the nation.
On the economic side, the median household income for ZIP 20171 sits at $171,372 (100% above the Virginia average), while per-capita income is $77,217. The poverty rate stands at 3.6% and the unemployment rate at 2.7%. On housing, the median home value is $797,200 (138% above the state average) with median rent at $2,304 per month, and 56.9% of occupied units are owner-occupied, a direct signal of whether 20171 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 75.0% of adults hold a bachelor's degree or higher, the median age is 36.2, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Fairfax County, so you can benchmark 20171 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 20171
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 20171.
- Professional, scientific, and technical services
Professional, scientific, and technical services
873 establishments
- Administrative and support and waste management and remediation services 118
Administrative and support and waste management and remediation services
118 establishments
- Health care and social assistance 95
Health care and social assistance
95 establishments
- Accommodation and food services 83
Accommodation and food services
83 establishments
- Information 80
Information
80 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 20171, Herndon, VA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
45,887
Population
31.4
Area (sq mi)
1,463
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20171?
36.2
Median Age
51.5%
Male
48.5%
Female
34.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$171,372
Median Household Income
+100% vs state
$77,217
Per Capita Income
3.6%
Poverty Rate
2.7%
Unemployment Rate
26.6 min
Mean Commute Time
How ZIP 20171 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$171,372 Top 2% higher than 98% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
19,696
Total Housing Units
18,923
Occupied Units
773
Vacant Units
2.70
Avg Household Size
Occupancy Type
$797,200
Median Home Value
+138% vs state
$2,304
Median Rent
1996
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+11.1%
YoY Change (2024)
275
HPI Index (2000 = 100)
+175%
Total Change Since 2000
Home values in ZIP 20171 have increased 11.1% over the past year (2024). Since 2000, this ZIP has seen +175% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.7% | 218 |
| 2021 | +6.0% | 231 |
| 2022 | +5.0% | 243 |
| 2023 | +2.2% | 248 |
| 2024 | +11.1% | 275 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 1,725 business establishments in ZIP 20171, employing approximately 63,865 people with a combined annual payroll of $8,008,771,000.
1,725
Businesses
63,865
Employees
$8.0B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 873 | 50.6% |
| Administrative and support and waste management and remediation services | 118 | 6.8% |
| Health care and social assistance | 95 | 5.5% |
| Accommodation and food services | 83 | 4.8% |
| Information | 80 | 4.6% |
| Real estate and rental and leasing | 79 | 4.6% |
| Other services (except public administration) | 70 | 4.1% |
| Management of companies and enterprises | 56 | 3.3% |
| Construction | 55 | 3.2% |
| Retail trade | 47 | 2.7% |
| Wholesale trade | 45 | 2.6% |
| Finance and insurance | 34 | 2.0% |
| Educational services | 34 | 2.0% |
| Arts, entertainment, and recreation | 22 | 1.3% |
| Transportation and warehousing | 19 | 1.1% |
| Manufacturing | 11 | 0.6% |
| Utilities | 3 | 0.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 20171 vs 20191 →
ZIP 20171 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20171
Herndon (20171)
45,887 residents
- 20170
Herndon (20170)
41,236 residents
- 20164
Sterling (20164)
37,747 residents
- 22033
Fairfax (22033)
37,691 residents
- 20191
Reston (20191)
29,128 residents
- 20152
Chantilly (20152)
24,946 residents
- 20151
Chantilly (20151)
21,374 residents
- 22124 17,558
Oakton (22124)
17,558 residents
- 20190 17,529
Reston (20190)
17,529 residents
What this shows Among its immediate neighbors, ZIP 20171 ranks the most populous — useful context the national average alone can't give.
ZIP 20171 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 22124
Oakton (22124)
$218,380 median income
- 20152
Chantilly (20152)
$197,156 median income
- 20171
Herndon (20171)
$171,372 median income
- 20194
Reston (20194)
$170,988 median income
- 20170
Herndon (20170)
$159,466 median income
- 20151
Chantilly (20151)
$158,271 median income
- 20191
Reston (20191)
$151,185 median income
- 22033
Fairfax (22033)
$143,454 median income
- 20164
Sterling (20164)
$135,660 median income
What this shows By household income, ZIP 20171 ranks #3 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20191 | Reston, VA | 29,128 | 2.6 mi |
| 22033 | Fairfax, VA | 37,691 | 3.4 mi |
| 20151 | Chantilly, VA | 21,374 | 3.2 mi |
| 20170 | Herndon, VA | 41,236 | 4.1 mi |
| 20164 | Sterling, VA | 37,747 | 6.2 mi |
| 20190 | Reston, VA | 17,529 | 4.1 mi |
| 22124 | Oakton, VA | 17,558 | 4.3 mi |
| 22035 | Fairfax, VA | 0 | 5.2 mi |
| 20152 | Chantilly, VA | 24,946 | 5.7 mi |
| 20194 | Reston, VA | 13,165 | 4.9 mi |
More ZIP Codes in Fairfax County
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Frequently Asked Questions
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What is the population of ZIP code 20171? ▼
What is the median household income in ZIP 20171? ▼
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How many businesses are in ZIP code 20171? ▼
What are the main industries in ZIP code 20171? ▼
How have home values changed in ZIP code 20171? ▼
What is the education level in ZIP code 20171? ▼
What is the average commute time in ZIP 20171? ▼
What percentage of residents own vs. rent in ZIP 20171? ▼
What is the poverty rate in ZIP code 20171? ▼
ZIP Code Research Guides
Official Data Resources for Herndon, VA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.