| City: | Gaithersburg, Maryland |
| Names to Avoid: | Natl Inst Stds & Tech Md |
| County: | Montgomery County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:19:12 AM |
| Population: | 125 [See All] |
| Area Codes: | 227 / 240 / 301 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 39.1363, -77.2174 |
| Land Area: | 0.106 sq mi |
| Quick Link: |
The National Institute of Standards and Technology operates under dedicated ZIP code 20899 from its 0.71-square-mile main campus in Gaithersburg, Maryland, approximately 20 miles northwest of Washington, D.C. Founded in 1901 as the National Bureau of Standards, NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology. As part of the U.S. Department of Commerce, NIST maintains the nation's primary measurement standards and conducts research across physical sciences, engineering, and information technology. This postal designation has served the agency for over two decades.
Postal records show 206 delivery codes across campus buildings on Bureau Drive, confirming the extensive research and administrative operations. The 2020 Census recorded 125 residents with a median age of 42.8 years, with housing units suggesting campus residential facilities for visiting researchers and staff. Nearly all housing (94%) is renter-occupied, reflecting temporary accommodations.
Census employment data indicates 132 workers at 6 establishments, though this represents only a fraction of NIST's total workforce. Gaithersburg serves as the valid mailing city for this designation.
| Population: | 125 |
| Median Age: | 42.8 |
| Housing Units: | 125 |
| Establishments: | 6 |
| Employment: | 132 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20899 has 125 residents and 125 households (average 1.00 persons per household). The median age is 42.8 years, older than the state (38.8) and older than the nation (38.8). The gender split is 50.4% male and 49.6% female, which is slightly higher than the state male share (48.2%). Largest groups are Black or African American (52.8%, much higher than the state average of 29.5% and well above the national average of 12.4%) and White (25.6%, much lower than the state average of 48.7% and well below the national average of 61.6%); Hispanic or Latino residents make up 8.0%, which is much lower than the national average (18.7%), and Black or African American share is much higher than both the state (29.5%) and national averages (12.4%).
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 125Source: Census DHC |
| 2024 ACS Population Estimate: | 106Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 1,179.2 people per sq mile |
| Average Income: | $23,917Source: Census ACS |
| Households: | 125Source: Census DHC |
| Average House Value: | $0Source: Census ACS |
| Persons Per Household: | 1.00Source: Census DHC |
| Average Family Size: | 5.86Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 131 | 130 | 115 | 131 | 127 | 133 | 253 | 260 | 295 | 284 | 322 | 143 | 106 |
| Decennial Census | 142 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 125 | -- | -- | -- |
Median Age: 42.8
Male Median Age: 44.5
Female Median Age: 40
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 3 | 1 | 4 | 1 | 2 | 2 | 4 | 6 | 9 | 3 | 0 | 12 | 3 | 10 | 3 | 0 | 0 | 0 |
| Female | 3 | 0 | 1 | 0 | 0 | 0 | 10 | 17 | 5 | 1 | 10 | 2 | 5 | 7 | 1 | 0 | 0 | 0 |
| Total | 6 | 1 | 5 | 1 | 2 | 2 | 14 | 23 | 14 | 4 | 10 | 14 | 8 | 17 | 4 | 0 | 0 | 0 |
| White: | 32 | 25.81% |
| Black: | 66 | 53.23% |
| Hispanic:* | 10 | 8.06% |
| Asian: | 10 | 8.06% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 6 | 4.84% |
| Total: | 124 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 63 | 50.40% | 44.5 years |
| Females: | 62 | 49.60% | 40.0 years |
| Total: | 125 | 100% | 42.8 years |
| Native, born in the United States: | 42 | 39.62% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 50 | 47.17% |
| Foreign born, not a U.S. citizen: | 14 | 60.38% |
| Total Population: | 106 | 100% |
| Total Native Population: | 42 | 39.62% |
| Total Foreign-born Population: | 64 | 60.38% |
In 2023, the Median household income is $23,917, which is much lower than the state median ($101,652), is up $4,334 (22.1%) since 2011 and below its 2019 pre-pandemic level by $11,518. Family households earn a median of $0 versus $22,667 for nonfamily households (a difference of $22,667). By gender, male median income is $0 and female is $0, which is well under the state female median ($68,044), with a current gap of $0 that has narrowed from 2011 to 2023. The labor-force participation rate is 30.2%, which is markedly below the state rate (67.2%). The unemployment rate is 56.3%, which is considerably above the state rate (4.9%). The largest occupation group is Service (100.0%).
Explore More: Income Over Time Household Income Employment Status By Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $19,583 | $17,778 | $19,375 | $20,990 | $16,875 | $20,341 | $24,813 | $35,060 | $35,435 | $37,279 | $0 | $19,722 | $23,917 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $19,861 | $19,950 | $22,316 | $0 | $0 |
| Median NonFamily Income | $19,583 | $17,778 | $19,375 | $20,990 | $16,875 | $20,341 | $26,944 | $35,893 | $36,902 | $0 | $37,821 | $19,097 | $22,667 |
| Median Male Income | $13,333 | $12,500 | $0 | $12,135 | $0 | $42,386 | $55,875 | $59,205 | $62,702 | $59,241 | $0 | $0 | $0 |
| Median Female Income | $0 | $0 | $0 | $0 | $0 | $0 | $22,875 | $23,512 | $0 | $28,144 | $22,132 | $0 | $0 |
| Employed: | 14 | 13.21% |
| Unemployed: | 18 | 16.98% |
| Not In Labor Force: | 74 | 69.81% |
| Total: | 106 | 100% |
| Management, business, science, and arts: | 0 | 0.00% |
| Service: | 14 | 100.00% |
| Sales and Office: | 0 | 0.00% |
| Natural resources, construction, and maintenance: | 0 | 0.00% |
| Production, transportation, and material moving: | 0 | 0.00% |
| Total Civilian Employed Population: | 14 | 100% |
In 2023, the median home value is $0, which is considerably lower than the state median ($397,700), and above its 2019 pre-pandemic level by $0. The median gross rent is $835, which is far less than the state median ($1,662), is up $134 (19.12%) since 2011 and below its 2019 pre-pandemic level by $52. Of occupied housing, owners make up 0.00% and renters 100.00% - making this ZIP Code less home ownership than the state and higher than national rental averages. Insufficient data for vacancy rate.
Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Less than $500: | 18 | 20.22% |
| $500 to $999: | 48 | 53.93% |
| $1,000 to $1,499: | 23 | 25.84% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 0 | 0.00% |
| Total: | 89 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $701 | $642 | $640 | $636 | $801 | $647 | $820 | $846 | $887 | $902 | $938 | $1,025 | $835 |
| Owner Occupied (with mortgage): | 0 | 0.00% |
| Owner Occupied (free and clear, no mortgage): | 0 | 0.00% |
| Renter Occupied: | 89 | 100.00% |
| Total Occupied Housing Units: | 89 | 100% |
| Occupied Housing Units: | 89 | 100.00% |
| Vacant Housing Units (not graphed): | 0 | 0.00% |
| Total Housing Units: | 89 | 100% |
| Single-Family Units: | 0 | 0.00% |
| Multi-Family Units: | 89 | 100.00% |
| Other Units: | 0 | 0.00% |
| Total Housing Units: | 89 | 100% |
In 2023, 33.00% of adults (25+) have a bachelor's degree or higher, which is on par with the state rate (42.70%). High school or higher is 71.70%, which is on par with the state rate (91.00%). The uninsured rate is 0.00%, which is comparable to the national rate (8.60%). Private coverage is 35.80%, which is markedly below the state rate (73.40%). Public coverage is 86.80%, which is markedly above the state rate (34.20%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.70%), up 666,666,666.00 percentage points since 2011. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is college (100.00%). College enrollment is 100.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment
| Less than 9th grade: | 15 | 14.15% |
| 9th to 12th grade, no diploma: | 15 | 14.15% |
| High school graduate (includes equivalency): | 23 | 21.70% |
| Some college, no degree: | 18 | 16.98% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 35 | 33.02% |
| Total: | 106 | 100% |
| High school or higher: | 76 | 71.70% |
| Bachelor's degree or higher: | 35 | 33.02% |
| Private Insurance: | 38 | 29.23% |
| Public Insurance: | 92 | 70.77% |
| No Insurance: | 0 | 0.00% |
| Total: | 130 | 100% |
| Has Health Insurance: | 130 | 100.00% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 0 | 0.00% |
| College or graduate school: | 17 | 100.00% |
| Total: | 17 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 0 | 0.00% |
ZIP Code 20899 supports both business and residential activity. According to the Business Census (2024), there are 8 business establishments, employing about 198 people with an annual payroll of $12,362,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 8Source: CBP |
| 1st Quarter Payroll: | $2,830,000Source: CBP |
| Annual Payroll: | $12,362,000Source: CBP |
| # of Employees: | 198Source: CBP |
ZIP Code 20899 is located in Montgomery County, Maryland, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and Maryland's 6th Congressional District. This Metro area has a population of 6,263,796 people, about 0.00% of whom live in ZIP Code 20899, and is subdivided into the Frederick-Gaithersburg-Bethesda, MD division. It covers 0.106 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census |
| CBSA Number: | 47900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Frederick-Gaithersburg-Bethesda, MD (CBSA Div 23224)Source: Census |
| CBSA Population: | 6,263,796Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | 0.106 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 1950.26 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2431175Source: Census |
| Place Name: | Gaithersburg city; MarylandSource: Census |
We could not locate which school district 20899 belongs to, but we will update this once new district data is released. There are 0 public schools with a nearby mailing address, but we have located 5 public schools nearby. There are however 1 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.