17821 ZIP Code — Danville, PA
Montour County, Pennsylvania
ZIP code 17821 is located in Danville, Pennsylvania, within Montour County. It covers approximately 134.41 square miles and serves a population of 18,936 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 570.
About ZIP code 17821
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $232,200. Owner-occupancy sits near the national average at 70%.
The gap between median ($73,365) and mean household income suggests income inequality — a small number of higher earners pull the average up. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
18,936
population
134.41
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
17821 ZIP code map
Cities in ZIP code 17821
Below are the cities the US Postal Service accepts for ZIP code 17821. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Danville | Acceptable |
| Danville | Preferred |
Nearby ZIP codes
17822 Danville (2.6 mi)
17857 Northumberland (6.7 mi)
17847 Milton (8.5 mi)
17772 Turbotville (9.2 mi)
17860 Paxinos (10.4 mi)
17824 Elysburg (11.2 mi)
17886 West Milton (11.8 mi)
17886 West Milton (11.8 mi)
17801 Sunbury (12.3 mi)
17815 Bloomsburg (12.4 mi)
17876 Shamokin Dam (12.5 mi)
17777 Watsontown (12.8 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 18,936 |
| Population density | 141 / sq mi |
| State FIPS | 42 |
| County FIPS | 093 |
| Geography | |
|---|---|
| Land area | 134.41 sq mi |
| Water area | 2.75 sq mi |
| Latitude | 40.9852 |
| Longitude | -76.6533 |
| Timezone | Eastern (ET) |
| Area code | 570 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.9% | 43.3% | 39.8% |
| $50k – $100k | 30.5% | 30.4% | 30.8% |
| $100k – $200k | 19.7% | 19.6% | 22.4% |
| Over $200k | 6.8% | 6.8% | 7.1% |
Demographics & statistics
18,936
Population
141
People per sq mi
43.0
Median age
$73,365
Median household income
$43,176
Per capita income
$232,200
Median home value
$1,023
Median monthly rent
70.3%
Home ownership
7.8%
Poverty rate
2.3%
Unemployment
5,915
Housing units
37.5%
Bachelor's or higher
Age distribution
Male
Female
541
Under 5
586
513
5–9
556
486
10–14
526
548
15–19
593
428
20–24
464
1,185
25–34
1,282
1,086
35–44
1,176
1,074
45–54
1,163
608
55–59
659
722
60–64
781
1,031
65–74
1,116
573
75–84
621
297
85+
321
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,939 | 20.8% |
| 18 and over | 14,997 | 79.2% |
| 65 and over | 3,959 | 20.9% |
| Median age | 43.0 years | |
Race & ethnicity
White
89.5%
Asian
3.6%
Black or African American
2.3%
Two or more races
2.1%
Hispanic or Latino
1.8%
Other race
0.4%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 17,265 | 89.5% |
| Asian | 701 | 3.6% |
| Black or African American | 453 | 2.3% |
| Two or more races | 408 | 2.1% |
| Hispanic or Latino | 345 | 1.8% |
| Other race | 79 | 0.4% |
| American Indian / Alaska Native | 30 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.9% | 43.3% | 39.8% |
| $50k – $100k | 30.5% | 30.4% | 30.8% |
| $100k – $200k | 19.7% | 19.6% | 22.4% |
| Over $200k | 6.8% | 6.8% | 7.1% |
Under $10k
5.2%
$10k–$15k
2.1%
$15k–$25k
9.7%
$25k–$35k
7.1%
$35k–$50k
12.3%
$50k–$75k
14.7%
$75k–$100k
12.9%
$100k–$150k
17.5%
$150k–$200k
9.1%
$200k+
9.3%
| Range | % of households |
|---|---|
| Under $10k | 5.2% |
| $10k–$15k | 2.1% |
| $15k–$25k | 9.7% |
| $25k–$35k | 7.1% |
| $35k–$50k | 12.3% |
| $50k–$75k | 14.7% |
| $75k–$100k | 12.9% |
| $100k–$150k | 17.5% |
| $150k–$200k | 9.1% |
| $200k+ | 9.3% |
| Median income | $73,365 |
Housing
Home values
Under $50k
6.3%
$50k–$100k
6.0%
$100k–$150k
12.0%
$150k–$200k
16.3%
$200k–$300k
23.7%
$300k–$500k
22.6%
$500k–$1M
11.2%
$1M+
1.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $232,200 |
| Median rent / month | $1,023 |
| Owner occupied | 70.3% |
| Renter occupied | 29.7% |
| Vacant | 5.1% |
| Single-family detached | 70.6% |
| Large apartment buildings | 3.3% |
| Mobile homes | 5.2% |
| Median rooms | 6.2 |
| Avg household size (owned) | 2.51 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 4.6% |
| 2000–2009 | 7.6% |
| 1990–1999 | 11.9% |
| 1980–1989 | 15.7% |
| 1970–1979 | 19.2% |
| 1960–1969 | 8.5% |
| 1950–1959 | 7.3% |
| 1940–1949 | 4.4% |
| 1939 or earlier | 20.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.8% |
| 1 bedroom | 7.1% |
| 2 bedrooms | 20.5% |
| 3 bedrooms | 43.2% |
| 4 bedrooms | 21.1% |
| 5+ bedrooms | 5.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 10.2% |
| 1 vehicle | 29.3% |
| 2 vehicles | 33.8% |
| 3 or more | 26.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 22.9% |
| Electricity | 39.5% |
| Propane / LP gas | 6.7% |
| Fuel oil | 22.5% |
| Wood | 4.3% |
| No fuel used | 0.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,216 | 53.9% |
| Cohabiting couple | 382 | 4.9% |
| Male householder, no spouse | 1,202 | 15.4% |
| Female householder, no spouse | 2,020 | 25.8% |
| Households with children under 18 | 2,344 | 30.0% |
| Households with seniors (65+) | 2,616 | 33.5% |
| Average household size | 2.32 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 28.9% | 22.7% |
| Married | 59.1% | 53.6% |
| Separated | 1.1% | 0.6% |
| Widowed | 2.4% | 12.0% |
| Divorced | 8.4% | 11.1% |
Education
Less than 9th grade
2.7%
Some HS, no diploma
4.8%
HS graduate
34.1%
Some college, no degree
12.6%
Associate's degree
8.3%
Bachelor's degree
18.8%
Graduate / professional
18.7%
| Metric | % |
|---|---|
| HS diploma or higher | 92.5% |
| Bachelor's or higher | 37.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 282 | 7.7% |
| Kindergarten | 255 | 7.0% |
| Elementary school | 1,568 | 43.1% |
| High school | 946 | 26.0% |
| College / grad school | 589 | 16.2% |
Employment
Industry of employment
Education & healthcare
43.0%
Manufacturing
8.4%
Retail trade
8.3%
Arts, food & hospitality
6.5%
Professional & management
6.1%
Construction
6.0%
Public administration
5.6%
Finance & real estate
4.5%
Other services
3.7%
Transportation & utilities
3.3%
Agriculture & mining
2.4%
Wholesale trade
1.9%
Information
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 48.2% |
| Service | 15.2% |
| Sales & office | 15.4% |
| Natural resources & construction | 7.5% |
| Production & transportation | 13.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.4% |
| Government | 13.5% |
| Self-employed | 6.9% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 76.3% |
| Carpool | 6.6% |
| Public transit | 0.1% |
| Walk | 6.0% |
| Work from home | 10.4% |
| Other means | 0.7% |
| Avg commute (minutes) | 18.7 |
Poverty
All people
7.8%
Under 18 years
10.2%
18 and over
7.2%
Married-couple families
2.8%
Female-led households
24.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.8% |
| Retirement income | 26.1% |
| Supplemental Security | 3.2% |
| Cash public assistance | 1.6% |
| Food stamps / SNAP | 8.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.3% |
| High blood pressure | 34.2% |
| High cholesterol | 34.5% |
| Diabetes | 10.6% |
| Heart disease | 7.3% |
| Stroke | 3.2% |
| Asthma | 9.9% |
| Arthritis | 29.8% |
| Kidney disease | 3.1% |
| Pulmonary disease | 7.8% |
| Cancer | 7.9% |
| Behavior / access | % |
|---|---|
| Smoking | 18.3% |
| Binge drinking | 17.6% |
| No physical activity | 23.6% |
| Less than 7 hrs sleep | 35.0% |
| Depression | 21.9% |
| Fair or poor health | 14.2% |
| Poor mental health | 14.7% |
| Poor physical health | 10.8% |
| No health insurance | 10.1% |
| Visited doctor (checkup) | 78.5% |
| Visited dentist | 66.2% |
| Cholesterol screening | 90.3% |
| Teeth loss | 13.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,145 | 7.7% |
| Disability | % |
|---|---|
| Any disability | 13.4% |
| Under 18 | 2.9% |
| 18–64 years | 10.5% |
| 65 and over | 32.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.0% |
| Public insurance | 31.5% |
| No insurance | 4.7% |
| Uninsured under 19 | 5.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 17,809 | 94.0% |
| Spanish | 423 | 2.4% |
| Other Indo-European | 107 | 0.6% |
| Asian & Pacific Islander | 249 | 1.4% |
| Other languages | 67 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 17,989 | 95.0% |
| Born in same state | 17,800 | 94.0% |
| Born in different state | 14,455 | 76.3% |
| Foreign born | 189 | 1.0% |
| Naturalized citizen | 947 | 5.0% |
| Not a US citizen | 411 | 43.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,835 | 15% |
| Italian | 1,851 | 9.8% |
| Arab | 791 | 4.2% |
| English | 612 | 3.2% |
| Irish | 168 | 0.9% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 93 | 0.5% |
| German | 56 | 0.3% |
| Norwegian | 48 | 0.3% |
| Dutch | 2 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.3% |
| Internet access | 88.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 17821
What city is ZIP code 17821 in?
ZIP code 17821 is primarily assigned to Danville, Pennsylvania.
What county is ZIP code 17821 in?
ZIP code 17821 falls within Montour County, Pennsylvania.
What is the population of ZIP code 17821?
ZIP code 17821 has an estimated population of 18,936 residents, with a density of 141 people per square mile.
What is the typical home value in ZIP code 17821?
The median home value in ZIP code 17821 is $232,200.
What is the median household income in ZIP code 17821?
The median household income in ZIP code 17821 is $73,365, below the national median of ~$75,000.
What timezone is ZIP code 17821 in?
ZIP code 17821 observes the EST timezone.