What city is 94574 in?

94574 is a Saint Helena, CA mailing address. By land area, 4% lies inside St. Helena and 4% lies inside Deer Park; the rest is outside any Census-defined city or community.

What is the population of 94574?

About 7,457 people (±329), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 8,317.

What is the median household income in 94574?

$139,474 (±$18,121), 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 94574?

8 USPS carrier routes with 4,053 residential and 549 business mailboxes (4,632 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 94574?

The closest, measured center to center: 94576 (3.1 mi, Deer Park), 94508 (3.3 mi, Angwin), 94573 (5.8 mi, Rutherford), 94562 (7.7 mi, Oakville), 94567 (8.6 mi) and 95452 (10 mi, Kenwood).

94574 ZIP Code, Saint Helena, CA

94574 is a ZIP code in Saint Helena, California in Napa County. It covers 124 square miles of land. The closest ZIP codes are 94576, 94508 and 94573. 7,457 people live here in 3,220 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (66% own). Median household income is $139,474, above the California median of $99,122; the median age is 50.0, older than most ZIP codes.

Quick facts

Mailing city: Saint Helena, CA
County: Napa County
Land area: 124 sq mi
Population: 7,457
Median household income: $139,474
Carrier routes: 8 (4,053 homes)

Key figures

Measure	Value
Residents	7,457
Households	3,220
Median household income	$139,474
Income per person	$109,819
Median age	50
Homeowners	66.0%
Median home value	$1,637,800
Median rent	$2,155
Bachelor's degree or higher	55.2%
Average commute (minutes)	21.4
Households with kids under 18	30.5%
Moved in the past year	9.7%
Below the poverty line	4.9%
Broadband internet	96.2%
Speak a non-English language at home	28.3%

Household income

% of households	Value
<$10K	3.4%
$10–15K	1.7%
$15–25K	1.4%
$25–35K	2.7%
$35–50K	7.9%
$50–75K	13.0%
$75–100K	5.6%
$100–150K	18.2%
$150–200K	11.7%
$200K+	34.4%

Age

% of all residents	Value
<10	7.8%
10–19	11.8%
20–24	3.1%
25–34	8.6%
35–44	12.5%
45–54	11.1%
55–64	13.3%
65–74	14.6%
75+	17.3%

Tenure

% of housing units	Value
Owned, with mortgage	26.2%
Owned outright	25.3%
Rented	26.4%
Vacant	22.1%

Type of building

% of housing units	Value
Detached house	74.1%
Townhome	4.5%
2–4 units	4.1%
5–19 units	3.7%
20+ units	6.7%
Mobile / other	6.8%

Businesses in 94574

556 business establishments with 9,809 employees (ZIP Codes Business Patterns 2023).

Manufacturing: 144
Retail Trade: 74
Professional, Scientific, and Technical Services: 71
Health Care and Social Assistance: 49
Accommodation and Food Services: 45
Construction: 31
Real Estate and Rental and Leasing: 27
Other Services (except Public Administration): 26

EDDM carrier routes

94574 has 8 USPS carrier routes with 4,053 residential and 549 business mailboxes. Open the EDDM route map.

Carrier routes in 94574

94574 has 8 USPS carrier routes (5 city (C), 2 rural (R), 1 highway contract (H)) with 4,053 residential and 549 business mailboxes. Routes range from 225 homes (H061) to 723 homes (C005); the median route has 493 homes. The Census counted 3,220 households in 94574 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	1
250–499	4
500–749	3
750–999	0
1,000–1,499	0
1,500+	0

Best routes in 94574 for…

Most businesses

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

Route C002 — USPS business mailboxes 251, 451 homes
Route C005 — USPS business mailboxes 115, 723 homes
Route C003 — USPS business mailboxes 60, 505 homes
Route C004 — USPS business mailboxes 34, 467 homes
Route C001 — USPS business mailboxes 29, 491 homes

Select these 5 routes on the route map

Every carrier route in 94574

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C001	City	491	29	$119,369	—	—	—
C002	City	451	251	$200,001+	—	—	—
C003	City	505	60	$106,196	—	—	—
C004	City	467	34	$119,369	—	—	—
C005	City	723	115	$154,373	—	—	—
H061	Highway contract	225	13	$106,196	—	—	—
R002	Rural	495	19	$106,196	—	—	—
R003	Rural	696	28	$106,196	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 94574 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

94576 — Deer Park CDP, CA (3.1 mi)
94508 — Angwin CDP, CA (3.3 mi)
94573 — Rutherford CDP, CA (5.8 mi)
94562 — Oakville CDP, CA (7.7 mi)
94567 (8.6 mi)
95452 — Kenwood CDP, CA (10 mi)
94599 — Yountville city, CA (10.1 mi)
95409 — Santa Rosa city, CA (10.2 mi)

Areas that include 94574

Where it ranks

Mail every home in 94574

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) 94574, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 94574 in?: 94574 is a Saint Helena, CA mailing address. By land area, 4% lies inside St. Helena and 4% lies inside Deer Park; the rest is outside any Census-defined city or community.
What county is 94574 in?: 94574 is in Napa County.
What is the population of 94574?: About 7,457 people (±329), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 8,317.
What is the median household income in 94574?: $139,474 (±$18,121), 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 94574?: 8 USPS carrier routes with 4,053 residential and 549 business mailboxes (4,632 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 94574?: The closest, measured center to center: 94576 (3.1 mi, Deer Park), 94508 (3.3 mi, Angwin), 94573 (5.8 mi, Rutherford), 94562 (7.7 mi, Oakville), 94567 (8.6 mi) and 95452 (10 mi, Kenwood).

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