| City: | Harrisburg, Pennsylvania |
| Names to Avoid: | Hbg, State Of Pennsylvania |
| County: | Dauphin County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 3:31:19 PM |
| Population: | 4 [See All] |
| Area Codes: | 223 / 717 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.2682, -76.8822 |
| Land Area: | 0.092 sq mi |
| Quick Link: |
The Pennsylvania State Capitol Complex, seat of the Commonwealth government, operates under dedicated ZIP code 17120 in Downtown Harrisburg. The Main Capitol Building, designed by Joseph Huston and dedicated on October 4, 1906, houses the Pennsylvania General Assembly including the Senate and House of Representatives, as well as the Governor's Office and Lieutenant Governor's Office. President Theodore Roosevelt called the building the most beautiful State Capitol he had ever seen.
The 0.11-square-mile postal boundary encompasses 141 delivery codes across 63 identified buildings. Postal records identify key state agencies including the Attorney General, Auditor General, Department of Health, Department of Treasury, Insurance Department, and Pennsylvania State Library. The Capitol Complex includes the Forum Building, Finance Building, Health and Welfare Building, Labor and Industry Building, and the William Penn Memorial Museum.
Census County Business Patterns data shows 17 establishments with 145 employees within this ZIP code. This dedicated postal designation has served the seat of Pennsylvania government for over two decades.
| Population: | 4 |
| Median Age: | 42.5 |
| Housing Units: | 1 |
| Establishments: | 17 |
| Employment: | 145 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 17120 has 4 residents and 1 households (average 4.00 persons per household). The median age is 42.5 years, slightly older than the state (41.0) and older than the nation (38.8). The gender split is 25.0% male and 75.0% female, which is much lower than the national male share (49.1%), making this a female-majority area. Largest groups are White (0.0%, much lower than the state average of 75.0% and well below the national average of 61.6%) and Black or African American (0.0%, much lower than the state average of 10.9% and well below the national average of 12.4%); Hispanic or Latino residents make up 0.0%, which is much lower than the national average (18.7%).
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 4Source: Census DHC |
| 2024 ACS Population Estimate: | 0Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 43.5 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 1Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 4.00Source: Census DHC |
| Average Family Size: | 0.00Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Decennial Census | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | -- | -- | -- | -- |
Median Age: 42.5
Male Median Age: 46.5
Female Median Age: 41.5
| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| White: | 0 | 0% |
| Black: | 0 | 0% |
| Hispanic:* | 0 | 0% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 0 | 0% |
| Total: | 0 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 1 | 25.00% | 46.5 years |
| Females: | 3 | 75.00% | 41.5 years |
| Total: | 4 | 100% | 42.5 years |
| Native, born in the United States: | 0 | 0% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0% |
| Foreign born, naturalized U.S. citizen: | 0 | 0% |
| Foreign born, not a U.S. citizen: | 0 | 0% |
| Total Population: | 0 | 100% |
| Total Native Population: | 0 | 0% |
| Total Foreign-born Population: | 0 | 0% |
In 2024, -666,666,666.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is -666,666,666.00%, which is far lower than the national rate (89.40%). The uninsured rate is -666,666,666.00%, which is far lower than the national rate (8.60%). Private coverage is -666,666,666.00%, which is far lower than the national rate (67.30%). Public coverage is -666,666,666.00%, which is far lower than the national rate (36.30%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.70%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.
Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment
| Less than 9th grade: | 0 | 0% |
| 9th to 12th grade, no diploma: | 0 | 0% |
| High school graduate (includes equivalency): | 0 | 0% |
| Some college, no degree: | 0 | 0% |
| Associate's degree: | 0 | 0% |
| Bachelor's degree: | 0 | 0% |
| Graduate or professional degree: | 0 | 0% |
| Total: | 0 | 100% |
| High school or higher: | 0 | 0% |
| Bachelor's degree or higher: | 0 | 0% |
| Private Insurance: | 0 | 0% |
| Public Insurance: | 0 | 0% |
| No Insurance: | 0 | 0% |
| Total: | 0 | 100% |
| Has Health Insurance: | 0 | 0% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | -666,666,666.0% | -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% |
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% |
| Kindergarten: | 0 | 0% |
| Elementary school (grades 1-8): | 0 | 0% |
| High school (grades 9-12): | 0 | 0% |
| College or graduate school: | 0 | 0% |
| Total: | 0 | 100% |
| Early Childhood: | 0 | 0% |
| K-12 (Primary & Secondary School): | 0 | 0% |
ZIP Code 17120 supports both business and residential activity. According to the Business Census (2024), there are 21 business establishments, employing about 149 people with an annual payroll of $20,177,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 260Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 21Source: CBP |
| 1st Quarter Payroll: | $7,406,000Source: CBP |
| Annual Payroll: | $20,177,000Source: CBP |
| # of Employees: | 149Source: CBP |
ZIP Code 17120 is located in Dauphin County, Pennsylvania, within the Metropolitan Statistical Area (CBSA ) and Pennsylvania's 10th Congressional District. This area has a population of 549,475 people, about 0.00% of whom live in ZIP Code 17120. It covers 0.092 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 549,475Source: Census |
| MSA: | Harrisburg-Lebanon-Carlisle, PA MSASource: Census |
| Land Area: | 0.092 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 10Source: USPS |
| Congressional Land Area: | 8378.06 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4232800Source: Census |
| Place Name: | Harrisburg city; PennsylvaniaSource: Census |
We could not locate which school district 17120 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. 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 February 1, 2026.