19090 ZIP Code, Willow Grove, PA

19090 is a ZIP code in Willow Grove, Pennsylvania in Montgomery County. It covers 4.6 square miles of land. The closest ZIP codes are 19001, 19025 and 19040. 19,662 people live here in 7,547 households. At about 4,271 people per square mile it is built up to city-neighborhood density, and owners and renters are mixed (66% own). Median household income is $99,928, above the Pennsylvania median of $77,971.

Quick facts

Key figures

MeasureValue
Residents19,662
Households7,547
Median household income$99,928
Income per person$50,159
Median age35.5
Homeowners65.5%
Median home value$369,100
Median rent$1,733
Bachelor's degree or higher44.4%
Average commute (minutes)28.5
Households with kids under 1834.3%
Moved in the past year9.5%
Below the poverty line5.1%
Broadband internet95.9%
Speak a non-English language at home9.6%

Household income

% of householdsValue
<$10K1.2%
$10–15K2.6%
$15–25K3.3%
$25–35K5.3%
$35–50K9.7%
$50–75K13.8%
$75–100K14.2%
$100–150K22.5%
$150–200K12.8%
$200K+14.6%

Age

% of all residentsValue
<1012.5%
10–1913.3%
20–246.4%
25–3417.3%
35–4412.3%
45–5411.7%
55–6412.2%
65–749.2%
75+5.2%

Tenure

% of housing unitsValue
Owned, with mortgage45.2%
Owned outright17.2%
Rented31.4%
Vacant6.3%

Type of building

% of housing unitsValue
Detached house60.5%
Townhome7.8%
2–4 units11.5%
5–19 units7.4%
20+ units12.7%
Mobile / other0.0%

Businesses in 19090

767 business establishments with 12,571 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

19090 has 20 USPS carrier routes with 8,230 residential and 843 business mailboxes. Open the EDDM route map.

Carrier routes in 19090

19090 has 20 USPS carrier routes (20 city (C)) with 8,230 residential and 843 business mailboxes. Routes range from 209 homes (C017) to 696 homes (C002); the median route has 396 homes. The Census counted 7,547 households in 19090 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2491
250–49917
500–7492
750–9990
1,000–1,4990
1,500+0

Best routes in 19090 for…

Most businesses

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

  1. Route C017 — USPS business mailboxes 248, 209 homes
  2. Route C010 — USPS business mailboxes 127, 538 homes
  3. Route C019 — USPS business mailboxes 117, 433 homes
  4. Route C002 — USPS business mailboxes 66, 696 homes
  5. Route C024 — USPS business mailboxes 66, 349 homes

Select these 5 routes on the route map

Every carrier route in 19090

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C001City4951$112,260———
C002City69666$59,016———
C003City4427$96,037———
C005City3637$69,265———
C006City36317$93,317———
C008City3973$93,317———
C009City3992$96,037———
C010City538127$93,317———
C011City33614$169,553———
C012City3900$120,339———
C013City39415$96,037———
C014City41518$120,339———
C016City37862$93,408———
C017City209248$96,037———
C018City37238$56,073———
C019City433117$105,584———
C020City42713$100,351———
C022City37310$100,351———
C024City34966$100,351———
C025City46112$112,260———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 19090 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 19090

Where it ranks

Mail every home in 19090

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) 19090, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 19090 in?
19090 is a Willow Grove, PA mailing address. By land area, 50% lies inside Willow Grove and 1% lies inside Roslyn; the rest is outside any Census-defined city or community.
What county is 19090 in?
19090 is in Montgomery County.
What is the population of 19090?
About 19,662 people (±1,228), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 20,180.
What is the median household income in 19090?
$99,928 (±$5,266), 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 19090?
20 USPS carrier routes with 8,230 residential and 843 business mailboxes (9,074 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 19090?
The closest, measured center to center: 19001 (1.5 mi, Roslyn), 19025 (2.1 mi, Fort Washington), 19040 (2.2 mi, Horsham), 19044 (3.2 mi, Horsham), 19009 (3.3 mi, Bryn Athyn borough, PA) and 19046 (3.4 mi, Jenkintown borough, PA).

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