Reston, VA · standard
ZIP Code 20191
Fairfax County, Virginia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 29,128
- 1,367/sq mi High-density area
- $151,185
- Median income Above-median income area
- $641,800
- Median home value Above-median home value
- 67.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Reston pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 4%
- household income, US ZIPs
- Top 8%
- home value, US ZIPs
- 1,367
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20191 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 20191 (Reston, VA) rose +21.9% from 2023 to 2024. The all-transactions index moved from 290.2 in 2023 to 353.6 in 2024 (2000 = 100).
ZIP code 20191 is a densely settled ZIP (a standard USPS delivery area) in Reston, Fairfax County, Virginia, with 29,128 residents across 21.3 square miles, a density of 1,367 people per square mile, in the New York time zone.
ZIP 20191 skews affluent, with a median household income of $151,185 (77% above the average Virginia ZIP), while per-capita income is $69,229. The poverty rate is 5.4%, with unemployment at 6.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $641,800 (92% above the average Virginia ZIP), while 68.0% of occupied homes are owner-occupied and median rent is $2,016.
This is a highly-educated ZIP: 67.5% of adults hold a bachelor's degree or higher, the median age is 39.3, and the average commute is 25 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fairfax County, so 20191 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 20191
Top 5 sectors by establishment count in Reston, VA
Which industries have the most business establishments in ZIP 20191.
- Professional, scientific, and technical services
Professional, scientific, and technical services
393 establishments
- Health care and social assistance 99
Health care and social assistance
99 establishments
- Finance and insurance 67
Finance and insurance
67 establishments
- Information 65
Information
65 establishments
- Other services (except public administration) 64
Other services (except public administration)
64 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 20191, Reston, 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
29,128
Population
21.3
Area (sq mi)
1,367
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20191?
39.3
Median Age
48.7%
Male
51.3%
Female
27.8%
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?
$151,185
Median Household Income
+77% vs state ZIP avg
$69,229
Per Capita Income
5.4%
Poverty Rate
6.2%
Unemployment Rate
25.3 min
Mean Commute Time
How ZIP 20191 ranks among Virginia ZIPs
Reston, VA household income vs. every Virginia ZIP code
Median household income among 804 reporting Virginia ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$151,185 Top 8% higher than 92% of 804 Virginia ZIPs
Each bar is a $20K-wide band; taller bars hold more Virginia 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
13,006housing units
13,006
Total Housing Units
12,163
Occupied Units
843
Vacant Units
2.55
Avg Household Size
Occupancy Type
$641,800
Median Home Value
+92% vs state ZIP avg
$2,016
Median Rent
1978
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
+21.9%
YoY Change (2024)
354
HPI Index (2000 = 100)
+254%
Total Change Since 2000
Home values in ZIP 20191 have increased 21.9% over the past year (2024). Since 2000, this ZIP has seen +254% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +6.9% | 241 |
| 2021 | +5.9% | 255 |
| 2022 | +2.4% | 261 |
| 2023 | +11.2% | 290 |
| 2024 | +21.9% | 354 |
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 974 business establishments in ZIP 20191, employing approximately 35,121 people with a combined annual payroll of $4,036,392,000.
974
Businesses
35,121
Employees
$4.0B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 393 | 40.4% |
| Health care and social assistance | 99 | 10.2% |
| Finance and insurance | 67 | 6.9% |
| Information | 65 | 6.7% |
| Other services (except public administration) | 64 | 6.6% |
| Real estate and rental and leasing | 58 | 6.0% |
| Administrative and support and waste management and remediation services | 51 | 5.2% |
| Construction | 39 | 4.0% |
| Accommodation and food services | 36 | 3.7% |
| Retail trade | 25 | 2.6% |
| Wholesale trade | 23 | 2.4% |
| Educational services | 15 | 1.5% |
| Transportation and warehousing | 13 | 1.3% |
| Arts, entertainment, and recreation | 12 | 1.2% |
| Management of companies and enterprises | 8 | 0.8% |
| Manufacturing | 4 | 0.4% |
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 20191 vs 20190 →
ZIP 20191 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 22030
Fairfax (22030)
55,066 residents
- 20171
Herndon (20171)
45,887 residents
- 20170
Herndon (20170)
41,236 residents
- 22033
Fairfax (22033)
37,691 residents
- 20191
Reston (20191)
29,128 residents
- 22182
Vienna (22182)
24,863 residents
- 22124 17,558
Oakton (22124)
17,558 residents
- 20190 17,529
Reston (20190)
17,529 residents
- 22181 14,879
Vienna (22181)
14,879 residents
What this shows Among its immediate neighbors, ZIP 20191 ranks #5 by population - useful context the national average alone can't give.
ZIP 20191 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
- 22181
Vienna (22181)
$211,911 median income
- 22182
Vienna (22182)
$205,108 median income
- 20171
Herndon (20171)
$171,372 median income
- 20194
Reston (20194)
$170,988 median income
- 20170
Herndon (20170)
$159,466 median income
- 20191
Reston (20191)
$151,185 median income
- 22033
Fairfax (22033)
$143,454 median income
- 22030
Fairfax (22030)
$139,831 median income
What this shows By household income, ZIP 20191 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20190 | Reston, VA | 17,529 | 1.9 mi |
| 20194 | Reston, VA | 13,165 | 3.2 mi |
| 20171 | Herndon, VA | 45,887 | 2.6 mi |
| 22124 | Oakton, VA | 17,558 | 3.2 mi |
| 20170 | Herndon, VA | 41,236 | 3.6 mi |
| 22182 | Vienna, VA | 24,863 | 4.2 mi |
| 22181 | Vienna, VA | 14,879 | 3.6 mi |
| 22035 | Fairfax, VA | 0 | 5.4 mi |
| 22033 | Fairfax, VA | 37,691 | 4.4 mi |
| 22030 | Fairfax, VA | 55,066 | 6.5 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 20191, 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 (29,128 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 20191 in?
ZIP code 20191 (Reston) 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 20191?
ZIP code 20191 in Reston, VA has a population of 29,128 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20191?
The median household income in ZIP 20191 is $151,185, which is 98% above the national average of $76,288.
What is the average home value in ZIP 20191?
The median home value in ZIP 20191 is $641,800, which is 131% above the national average of $278,155.
What is the demographic makeup of ZIP 20191?
The largest racial group in ZIP 20191 is White at 55.3%. Hispanic or Latino residents make up 19.7% of the population.
How many businesses are in ZIP code 20191?
ZIP code 20191 has 974 business establishments employing approximately 35,121 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20191?
The top industries by establishment count in ZIP 20191 are: Professional, scientific, and technical services (393), Health care and social assistance (99), Finance and insurance (67). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 20191?
According to the FHFA House Price Index, home values in ZIP 20191 increased by 21.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 254%. 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 20191?
In ZIP code 20191, 79.6% of residents aged 25+ have a high school diploma or higher, and 67.5% 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 20191?
The mean commute time for workers in ZIP code 20191 is 25.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 20191?
In ZIP code 20191, approximately 68.0% of occupied housing units are owner-occupied and 32.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20191?
The poverty rate in ZIP code 20191 is 5.4% 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 20191's numbers, next.
- See how ZIP 20191 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Reston, 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.