17921 ZIP Code, Ashland, PA

17921 is a ZIP code in Ashland, Pennsylvania — mostly in Schuylkill County (91% of its land), with smaller parts in Columbia County. It covers 35 square miles of land. The closest ZIP codes are 17936, 17943 and 17945. 6,931 people live here in 2,455 households. With about 198 people per square mile it is lightly settled, and most homes are owner-occupied (83%). Median household income is $71,141, close to the Pennsylvania median of $77,971.

Quick facts

Key figures

MeasureValue
Residents6,931
Households2,455
Median household income$71,141
Income per person$32,384
Median age44.5
Homeowners82.7%
Median home value$149,500
Median rent$768
Bachelor's degree or higher14.0%
Average commute (minutes)30.7
Households with kids under 1819.6%
Moved in the past year11.1%
Below the poverty line10.8%
Broadband internet82.4%
Speak a non-English language at home5.1%

Household income

% of householdsValue
<$10K2.7%
$10–15K6.6%
$15–25K9.5%
$25–35K5.6%
$35–50K9.9%
$50–75K20.0%
$75–100K11.4%
$100–150K22.8%
$150–200K7.0%
$200K+4.5%

Age

% of all residentsValue
<106.3%
10–198.9%
20–247.9%
25–3410.7%
35–4418.4%
45–5415.1%
55–6415.3%
65–7411.0%
75+6.2%

Tenure

% of housing unitsValue
Owned, with mortgage33.8%
Owned outright36.7%
Rented14.1%
Vacant15.4%

Type of building

% of housing unitsValue
Detached house61.1%
Townhome27.7%
2–4 units4.9%
5–19 units0.9%
20+ units2.3%
Mobile / other3.1%

Businesses in 17921

92 business establishments with 1,197 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

17921 has 6 USPS carrier routes with 2,940 residential and 128 business mailboxes. Open the EDDM route map.

Carrier routes in 17921

17921 has 6 USPS carrier routes (3 city (C), 3 rural (R)) with 2,940 residential and 128 business mailboxes. Routes range from 291 homes (C003) to 653 homes (R001); the median route has 536 homes. The Census counted 2,455 households in 17921 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4992
500–7494
750–9990
1,000–1,4990
1,500+0

Best routes in 17921 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route C001 — USPS business mailboxes 40, 567 homes
  2. Route C003 — USPS business mailboxes 35, 291 homes
  3. Route C002 — USPS business mailboxes 25, 505 homes
  4. Route R001 — USPS business mailboxes 19, 653 homes
  5. Route R002 — USPS business mailboxes 6, 611 homes

Select these 5 routes on the route map

Every carrier route in 17921

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C001City56740$48,569———
C002City50525$48,569———
C003City29135$78,458———
R001Rural65319$79,153———
R002Rural6116$57,769———
R003Rural3133$78,458———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 17921 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

Areas that include 17921

Where it ranks

Mail every home in 17921

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 17921, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 17921 in?
17921 is a Ashland, PA mailing address. By land area, 5% lies inside Ashland, 3% lies inside Lavelle, 2% lies inside Fountain Springs and 1% lies inside Beurys Lake; the rest is outside any Census-defined city or community.
What county is 17921 in?
17921 is mostly in Schuylkill County (91% of its land), with smaller parts in Columbia County.
What is the population of 17921?
About 6,931 people (±524), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 7,038.
What is the median household income in 17921?
$71,141 (±$5,469), compared with $77,971 for Pennsylvania as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 17921?
6 USPS carrier routes with 2,940 residential and 128 business mailboxes (3,068 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 17921?
The closest, measured center to center: 17936 (1.1 mi, Gordon borough, PA), 17943 (1.2 mi, Lavelle), 17945 (2.5 mi, Locustdale), 17840 (3.8 mi), 17920 (4.5 mi, Aristes) and 17888 (4.8 mi, Wilburton Number Two).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.