92503 ZIP Code, Riverside, CA

92503 is a ZIP code in Riverside, California in Riverside County. It covers 34 square miles of land. The closest ZIP codes are 92504, 92505 and 92879. 88,395 people live here in 25,057 households, which puts it among the most populous 1% of California ZIP codes. At about 2,576 people per square mile it has suburban density, and owners and renters are mixed (67% own). Median household income is $96,268, close to the California median of $99,122; 43% of households have children under 18.

Quick facts

Key figures

MeasureValue
Residents88,395
Households25,057
Median household income$96,268
Income per person$34,978
Median age35
Homeowners67.0%
Median home value$597,300
Median rent$1,884
Bachelor's degree or higher21.3%
Average commute (minutes)34
Households with kids under 1842.6%
Moved in the past year7.5%
Below the poverty line11.0%
Broadband internet95.2%
Speak a non-English language at home54.8%

Household income

% of householdsValue
<$10K3.3%
$10–15K2.9%
$15–25K4.3%
$25–35K5.3%
$35–50K8.6%
$50–75K14.0%
$75–100K13.5%
$100–150K20.5%
$150–200K12.5%
$200K+15.2%

Age

% of all residentsValue
<1012.2%
10–1915.5%
20–246.6%
25–3415.8%
35–4414.1%
45–5412.7%
55–6411.2%
65–747.7%
75+4.3%

Tenure

% of housing unitsValue
Owned, with mortgage48.6%
Owned outright16.0%
Rented31.5%
Vacant3.9%

Type of building

% of housing unitsValue
Detached house71.6%
Townhome5.3%
2–4 units3.9%
5–19 units6.3%
20+ units8.2%
Mobile / other4.8%

Businesses in 92503

1,750 business establishments with 20,783 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

92503 has 40 USPS carrier routes with 27,220 residential and 2,269 business mailboxes. Open the EDDM route map.

Carrier routes in 92503

92503 has 40 USPS carrier routes (32 city (C), 8 rural (R)) with 27,220 residential and 2,269 business mailboxes. Routes range from 285 homes (C019) to 1,065 homes (C062); the median route has 666 homes. The Census counted 25,057 households in 92503 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4995
500–74920
750–99913
1,000–1,4992
1,500+0

Best routes in 92503 for…

Most businesses

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

  1. Route C062 — USPS business mailboxes 374, 1,065 homes
  2. Route C019 — USPS business mailboxes 283, 285 homes
  3. Route C018 — USPS business mailboxes 271, 834 homes
  4. Route C014 — USPS business mailboxes 244, 415 homes
  5. Route C005 — USPS business mailboxes 132, 870 homes

Select these 5 routes on the route map

Every carrier route in 92503

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C002City38583$154,532———
C003City4970$72,208———
C004City55262$63,925———
C005City870132$36,361———
C006City6943$73,566———
C007City5020$86,991———
C008City54398$67,226———
C009City80638$82,994———
C011City5001$154,532———
C012City90010$86,991———
C014City415244$89,530———
C015City96511$106,983———
C016City76062$38,073———
C017City952123$73,386———
C018City834271$104,264———
C019City285283$73,386———
C020City7565$85,942———
C021City60814$90,768———
C022City59118$103,037———
C025City55752$79,550———
C026City7601$154,532———
C027City67610$103,308———
C028City4840$104,264———
C029City9192$86,858———
C051City526106$68,767———
C054City75745$120,985———
C056City1,01537$79,550———
C058City6630$110,517———
C061City916131$54,092———
C062City1,065374$69,810———
C065City66834$175,427———
C070City7591$150,390———
R001Rural6431$110,517———
R002Rural6740$151,193———
R008Rural6421$200,001+———
R011Rural6583$200,001+———
R015Rural6050$200,001+———
R016Rural52010$104,264———
R021Rural5870$151,193———
R023Rural7113$130,391———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 92503 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 92503

Where it ranks

Mail every home in 92503

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) 92503, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 92503 in?
92503 is a Riverside, CA mailing address. By land area, 39% lies inside Riverside, 21% lies inside El Sobrante, 7% lies inside Corona and 4% lies inside Woodcrest; the rest is outside any Census-defined city or community.
What county is 92503 in?
92503 is in Riverside County.
What is the population of 92503?
About 88,395 people (±2,721), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 90,011.
What is the median household income in 92503?
$96,268 (±$5,066), compared with $99,122 for California as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 92503?
40 USPS carrier routes with 27,220 residential and 2,269 business mailboxes (29,489 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 92503?
The closest, measured center to center: 92504 (3.4 mi, Riverside), 92505 (3.8 mi, Riverside), 92879 (4.4 mi, Corona), 92506 (6 mi, Riverside), 92860 (6.2 mi, Norco) and 92508 (7.1 mi, Riverside).

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