ZIP Code 17821 in Danville, PA

Data Last Updated: October 1, 2025
City:Danville, Pennsylvania
Names to Avoid:
Danville East, Deiblers, Exchange, Grovania, Kaseville, Mahoning, Mausdale, Mooresburg, Ottawa, Ridgeville, Rushtown, Strawberry Rg, Valley, West Hemlock
Counties:Montour County [Primary]
Columbia County
Northumberland County
Union County
Timezone:Eastern (GMT -05:00)
Local Time:11:43:08 PM
Population:18,663 [See All]
Area Codes:570 / 272
Classification:Standard [Normal Street Delivery]
Coordinates:40.9852, -76.6533
Land Area:134.497 sq mi
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https://www.zip-codes.com/zip-code/17821/zip-code-17821.asp

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Population & Demographics


ZIP Code 17821 has 18,663 residents and 7,713 households (average 2.33 persons per household). The median age is 43.5 years, slightly older than the state (41.0) and older than the nation (38.8). The gender split is 48.2% male and 51.8% female, which is about the same as the national male share (49.1%), making this a female-majority area. Largest groups are White (89.4%, much higher than the state average of 75.0% and well above the national average of 61.6%) and Asian (3.8%, slightly lower than the national average of 6.0%); Hispanic or Latino residents make up 2.9%, which is much lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:18,663Source: Census DHC
2023 ACS Population Estimate:18,787Source: Census ACS
2025 ZC Population Estimate:20,131Source: ZIP-Codes.com
Population Density:138.8 people per sq mile
Average Income:$73,137Source: Census ACS
Households:7,713Source: Census DHC
Average House Value:$241,600Source: Census ACS
Persons Per Household:2.33Source: Census DHC
Average Family Size:2.91Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--18,53718,50118,60418,51818,53318,49918,27618,35618,40218,77318,81818,93618,787
Decennial Census18,219------------------18,663------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 43.5

Male Median Age: 41.2

Female Median Age: 46

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male542519535606394531643587467484568634658601487326216198
Female466540530500408607648596450480591712736638590404336435
Total1,0081,0591,0651,1068021,1381,2911,1839179641,1591,3461,3941,2391,077730552633
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:16,68590.29%
Black:3561.93%
Hispanic:*5452.95%
Asian:7043.81%
American Indian:350.19%
Hawaiian:10.01%
Other:1530.83%
Total:18,479100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:8,99648.20%41.2 years
Females:9,66751.80%46.0 years
Total:18,663100%43.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:17,55193.42%
Native, born in PR, Island Areas, or abroad:2211.18%
Foreign born, naturalized U.S. citizen:4342.31%
Foreign born, not a U.S. citizen:5815.40%
Total Population:18,787100%
Total Native Population:17,77294.60%
Total Foreign-born Population:1,0155.40%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $73,137, which is generally lower than the national median ($78,538), is up $24,576 (50.6%) since 2011 and above its 2019 pre-pandemic level by $13,747. Family households earn a median of $91,761 versus $35,426 for nonfamily households (a difference of $56,335). By gender, male median income is $70,582 and female is $61,202, which is considerably higher than the national female median ($53,445), with a current gap of $9,380 that has widened from 2011 to 2023. The labor-force participation rate is 58.9%, which is tends to be lower than the national rate (63.5%). The unemployment rate is 2.4%, which is far lower than the state rate (5.2%). The largest occupation group is Management (48.8%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$48,561$51,541$53,067$54,875$55,838$56,452$56,358$58,042$59,390$61,194$65,651$73,365$73,137
Median Family Income$60,792$62,763$64,005$68,384$70,432$71,263$72,000$75,992$77,363$77,017$82,230$87,810$91,761
Median NonFamily Income$26,192$24,578$27,693$29,300$30,500$31,532$33,479$30,979$29,475$29,089$30,632$35,120$35,426
Median Male Income$42,324$44,916$50,062$51,775$52,135$53,405$52,018$54,891$57,129$61,799$66,100$69,841$70,582
Median Female Income$35,621$35,697$37,418$37,416$36,697$37,166$39,703$40,704$42,212$44,701$49,275$57,361$61,202
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:8,77257.01%
Unemployed:2191.42%
Not In Labor Force:6,39741.57%
Total:15,388100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:4,28448.84%
Service:1,23214.04%
Sales and Office:1,30414.87%
Natural resources, construction, and maintenance:7058.04%
Production, transportation, and material moving:1,24714.22%
Total Civilian Employed Population:8,772100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $241,600, which is far less than the national median ($303,400), is up $92,300 (61.82%) since 2011 and above its 2019 pre-pandemic level by $55,000. The median gross rent is $1,078, which is far less than the national median ($1,348), is up $408 (60.90%) since 2011 and above its 2019 pre-pandemic level by $352. Of occupied housing, owners make up 67.70% (54.30% with a mortgage, 45.70% free-and-clear) and renters 32.30% - making this ZIP Code less home ownership than the state and under national rental averages. The vacancy rate is 4.91%, which is markedly below the national rate (10.43%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$149,300$151,600$157,900$162,500$167,400$173,900$175,700$184,200$186,600$187,000$200,800$232,200$241,600
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:1957.62%
$500 to $999:86133.63%
$1,000 to $1,499:80131.29%
$1,500 to $1,999:41016.02%
$2,000 to $2,499:813.16%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:2128.28%
Total:2,560100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$670$677$702$725$725$717$708$749$726$747$828$1,023$1,078
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2,91436.77%
Owner Occupied (free and clear, no mortgage):2,45230.94%
Renter Occupied:2,56032.30%
Total Occupied Housing Units:7,926100%

Occupied Housing Units:7,92695.09%
Vacant Housing Units (not graphed):4094.91%
Total Housing Units:8,335100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:6,37576.48%
Multi-Family Units:1,49117.89%
Other Units:4695.63%
Total Housing Units:8,335100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 37.60% of adults (25+) have a bachelor's degree or higher, which is notably higher than the state rate (34.50%). High school or higher is 93.00%, which is well above the national rate (89.40%). The uninsured rate is 3.60%, which is far lower than the national rate (8.60%). The share of people in poverty is 5.00%, which is falls below the national rate (8.70%), down 0.60 percentage points since 2011 and below its 2019 pre-pandemic level by 1.70 percentage points. Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (41.06%). College enrollment is 19.34%, which is markedly below the state rate (27.30%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:3442.50%
9th to 12th grade, no diploma:6264.54%
High school graduate (includes equivalency):4,60533.40%
Some college, no degree:1,82813.26%
Associate's degree:1,2048.73%
Bachelor's degree:2,40417.44%
Graduate or professional degree:2,77520.13%
Total:13,786100%
High school or higher:12,81692.96%
Bachelor's degree or higher:5,17937.57%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:14,05967.87%
Public Insurance:6,00128.97%
No Insurance:6553.16%
Total:20,715100%
Has Health Insurance:20,06096.84%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty5.6%4.7%5.8%6.7%5.4%5.6%6.7%6.4%6.7%7.1%6.1%5.9%5.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

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.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:3078.51%
Kindergarten:2306.37%
Elementary school (grades 1-8):1,48241.06%
High school (grades 9-12):89224.72%
College or graduate school:69819.34%
Total:3,609100%
Early Childhood:53714.88%
K-12 (Primary & Secondary School):2,60472.15%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 17821 supports both business and residential activity. According to the Business Census (2023), there are 434 business establishments, employing about 7,024 people with an annual payroll of $434,287,000. USPS data shows 8,640 residential mailboxes and 460 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:8,640Source: USPS
# Business Mailboxes:460Source: USPS
Total Delivery Receptacles:9,246Source: USPS
Single Family Delivery Units:7,805Source: USPS
Multi Family Delivery Units:396Source: USPS
# of Businesses:434Source: CBP
1st Quarter Payroll:$112,098,000Source: CBP
Annual Payroll:$434,287,000Source: CBP
# of Employees:7,024Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 17821 is located in Montour County, Pennsylvania, within the Sunbury, PA Metropolitan Statistical Area (CBSA 44980) and Pennsylvania's 9th Congressional District. This Micro area has a population of 109,004 people, about 17.12% of whom live in ZIP Code 17821. It covers 134.497 sq mi of land and a water area of 2.661 sq mi.

CBSA Name:Sunbury, PASource: Census
CBSA Number:44980Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:109,004Source: Census
MSA:Source: Census
Land Area:134.497 sq miSource: Census
Water Area:2.661 sq miSource: Census
Congressional District:09Source: USPS
Congressional Land Area:5730.09 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4218136Source: Census
Place Name:Danville borough; PennsylvaniaSource: Census

Adjacent & Nearby ZIP Codes


17822 | | 17820

Schools in ZIP Code 17821


ZIP Code 17821 is in the Danville Area School District, which serves grades Kindergarten thru 12th. There are 6 public schools and 4 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Danville Ctr Adolescent Female 13 Kirkbride Drive
Danville, PA 17821
Danville Area Ms 252 Northumberland St
Danville, PA 17821
District: Danville Area School District
Danville Area Shs 733 Ironmen Lane
Danville, PA 17821
District: Danville Area School District
Liberty-Valley El Sch 327 Liberty Valley Rd
Danville, PA 17821
District: Danville Area School District
Danville Primary Sch 931 Ironmen Lane
Danville, PA 17821
District: Danville Area School District
North Central Secure Trmnt Unt 210 Clinic Rd
Danville, PA 17821
St Cyril Preschool & Kindergarten 1002 Railroad St
Danville, PA 17821
District: Private School
County Line Parochial School 44 Crawford Rd
Danville, PA 17821
District: Private School
St Joseph School 1027 Ferry St
Danville, PA 17821
District: Private School
Danville Mennonite School 1014 Elysburg Rd
Danville, PA 17821
District: Private School

Colleges & Post Secondary Schools near ZIP Code 17821


Triangle Tech Inc-Sunbury 191 Performance Road
Sunbury, PA 17801
Type: Post Secondary
Bloomsburg University Of Pennsylvania 400 E Second St
Bloomsburg, PA 17815
Type: Post Secondary
Miller-Motte College-Mccann-Lewisburg 7495 Westbranch Hwy
Lewisburg, PA 17837
Type: Post Secondary
Bucknell University One Dent Drive
Lewisburg, PA 17837
Type: Post Secondary
Empire Beauty School-Shamokin Dam 30 Baldwin Blvd, Suite 50
Shamokin Dam, PA 17876
Type: Post Secondary
Central Susquehanna Intermediate Unit Lpn Career 1339 Saint Mary Street Suite 2
Lewisburg, PA 17837
Type: Post Secondary

Sources & References


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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov