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 High-density area
- $171,372
- Median income Above-median income area
- $797,200
- Median home value Above-median home value
- 75.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 20171 (Herndon, VA) rose +11.1% from 2023 to 2024. The all-transactions index moved from 247.8 in 2023 to 275.3 in 2024 (2000 = 100).
ZIP code 20171 is a densely settled ZIP (a standard USPS delivery area) in Herndon, Fairfax County, Virginia, with 45,887 residents across 31.4 square miles, a density of 1,463 people per square mile, in the New York time zone.
ZIP 20171 skews affluent, with a median household income of $171,372 (100% above the average Virginia ZIP), while per-capita income is $77,217. Both reported hardship measures are comparatively low in absolute terms: poverty is 3.6% and unemployment is 2.7%. Median home value is $797,200 (138% above the average Virginia ZIP) and median rent is $2,304; 56.9% of occupied homes are owner-occupied.
This is a highly-educated ZIP: 75.0% of adults hold a bachelor's degree or higher, the median age is 36.2, and the average commute is 27 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fairfax County, so 20171 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 20171
Top 5 sectors by establishment count in Herndon, VA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$77,217
Per Capita Income
3.6%
Poverty Rate
2.7%
Unemployment Rate
26.6 min
Mean Commute Time
How ZIP 20171 ranks nationally
Herndon, VA 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?
Housing stock: occupied vs vacant
19,696housing units
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 ZIP avg
$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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 20171, both outside VA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (45,887 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fairfax County
Related Areas
Frequently Asked Questions
What county is ZIP code 20171 in?
ZIP code 20171 (Herndon) is located in Fairfax County, Virginia. Fairfax County contains multiple ZIP codes, see the full list at /counties/fairfax-va.
What is the population of ZIP code 20171?
ZIP code 20171 in Herndon, VA has a population of 45,887 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20171?
The median household income in ZIP 20171 is $171,372, which is 125% above the national average of $76,288.
What is the average home value in ZIP 20171?
The median home value in ZIP 20171 is $797,200, which is 187% above the national average of $278,155.
What is the demographic makeup of ZIP 20171?
The largest racial group in ZIP 20171 is White at 45.5%. Hispanic or Latino residents make up 8.3% of the population.
How many businesses are in ZIP code 20171?
ZIP code 20171 has 1,725 business establishments employing approximately 63,865 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20171?
The top industries by establishment count in ZIP 20171 are: Professional, scientific, and technical services (873), Administrative and support and waste management and remediation services (118), Health care and social assistance (95). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 20171?
According to the FHFA House Price Index, home values in ZIP 20171 increased by 11.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 175%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 20171?
In ZIP code 20171, 82.8% of residents aged 25+ have a high school diploma or higher, and 75.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 20171?
The mean commute time for workers in ZIP code 20171 is 26.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 20171?
In ZIP code 20171, approximately 56.9% of occupied housing units are owner-occupied and 43.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20171?
The poverty rate in ZIP code 20171 is 3.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 20171's numbers, next.
- See how ZIP 20171 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Herndon, VA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.