What city is 01845 in?

01845 is a North Andover, MA mailing address. None of its land lies inside a Census-defined city or community.

What is the population of 01845?

About 32,494 people (±151), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 31,855.

What is the median household income in 01845?

$140,670 (±$8,507), compared with $103,960 for Massachusetts as a whole. Half the households in the ZIP code earn more and half earn less.

How many carrier routes and mailboxes are in 01845?

23 USPS carrier routes with 12,255 residential and 1,002 business mailboxes (13,274 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 01845?

The closest, measured center to center: 01921 (3.3 mi, Boxford), 01843 (3.7 mi, Lawrence), 01810 (4 mi, Andover), 01841 (4.1 mi, Lawrence), 01840 (4.2 mi, Lawrence) and 01835 (5.4 mi, Haverhill).

01845 ZIP Code, North Andover, MA

01845 is a ZIP code in North Andover, Massachusetts in Essex County. It covers 26 square miles of land. The closest ZIP codes are 01921, 01843 and 01810. 32,494 people live here in 11,546 households, more than in 9 of every 10 Massachusetts ZIP codes. At about 1,230 people per square mile it has suburban density, and owners and renters are mixed (70% own). Median household income is $140,670, above the Massachusetts median of $103,960.

Quick facts

Mailing city: North Andover, MA
County: Essex County
Land area: 26 sq mi
Population: 32,494
Median household income: $140,670
Carrier routes: 23 (12,255 homes)

Key figures

Measure	Value
Residents	32,494
Households	11,546
Median household income	$140,670
Income per person	$64,833
Median age	38.5
Homeowners	69.8%
Median home value	$732,900
Median rent	$2,223
Bachelor's degree or higher	61.1%
Average commute (minutes)	31.3
Households with kids under 18	31.9%
Moved in the past year	13.6%
Below the poverty line	9.4%
Broadband internet	94.8%
Speak a non-English language at home	15.4%

Household income

% of households	Value
<$10K	4.0%
$10–15K	1.6%
$15–25K	4.7%
$25–35K	3.8%
$35–50K	4.8%
$50–75K	10.2%
$75–100K	8.8%
$100–150K	15.3%
$150–200K	13.3%
$200K+	33.4%

Age

% of all residents	Value
<10	10.5%
10–19	14.8%
20–24	9.9%
25–34	10.6%
35–44	11.4%
45–54	11.4%
55–64	14.8%
65–74	9.8%
75+	6.7%

Tenure

% of housing units	Value
Owned, with mortgage	45.9%
Owned outright	21.1%
Rented	28.4%
Vacant	4.6%

Type of building

% of housing units	Value
Detached house	53.4%
Townhome	11.3%
2–4 units	10.2%
5–19 units	13.7%
20+ units	11.3%
Mobile / other	0.1%

Businesses in 01845

938 business establishments with 14,851 employees (ZIP Codes Business Patterns 2023).

Professional, Scientific, and Technical Services: 159
Health Care and Social Assistance: 153
Other Services (except Public Administration): 90
Construction: 82
Accommodation and Food Services: 82
Retail Trade: 73
Finance and Insurance: 54
Administrative and Support and Waste Management and Remediation Services: 51

EDDM carrier routes

01845 has 23 USPS carrier routes with 12,255 residential and 1,002 business mailboxes. Open the EDDM route map.

Carrier routes in 01845

01845 has 23 USPS carrier routes (16 city (C), 7 rural (R)) with 12,255 residential and 1,002 business mailboxes. Routes range from 259 homes (R003) to 776 homes (C031); the median route has 520 homes. The Census counted 11,546 households in 01845 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	0
250–499	7
500–749	15
750–999	1
1,000–1,499	0
1,500+	0

Best routes in 01845 for…

Most businesses

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

Route R003 — USPS business mailboxes 201, 259 homes
Route C032 — USPS business mailboxes 158, 527 homes
Route R005 — USPS business mailboxes 147, 495 homes
Route C037 — USPS business mailboxes 108, 504 homes
Route C023 — USPS business mailboxes 75, 637 homes

Select these 5 routes on the route map

Every carrier route in 01845

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C023	City	637	75	$178,193	—	—	—
C025	City	717	48	$110,652	—	—	—
C026	City	517	9	$162,011	—	—	—
C029	City	519	3	$200,001+	—	—	—
C030	City	729	1	$200,001+	—	—	—
C031	City	776	6	$200,001+	—	—	—
C032	City	527	158	$105,984	—	—	—
C034	City	475	0	$162,011	—	—	—
C036	City	355	39	$89,645	—	—	—
C037	City	504	108	$154,813	—	—	—
C038	City	677	68	$102,301	—	—	—
C039	City	520	11	$150,936	—	—	—
C040	City	509	2	$200,001+	—	—	—
C041	City	467	24	$200,001+	—	—	—
C043	City	373	4	$200,001+	—	—	—
C044	City	564	22	$102,301	—	—	—
R003	Rural	259	201	$156,178	—	—	—
R005	Rural	495	147	$178,193	—	—	—
R007	Rural	554	1	$16,561	—	—	—
R010	Rural	527	1	$200,001+	—	—	—
R011	Rural	695	39	$200,001+	—	—	—
R014	Rural	552	35	$156,178	—	—	—
R017	Rural	307	0	$200,001+	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 01845 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

01921 — Boxford CDP, MA (3.3 mi)
01843 — Lawrence city, MA (3.7 mi)
01810 — Andover CDP, MA (4 mi)
01841 — Lawrence city, MA (4.1 mi)
01840 — Lawrence city, MA (4.2 mi)
01835 — Haverhill city, MA (5.4 mi)
01949 (6.2 mi)
01844 — Methuen Town city, MA (6.5 mi)

Areas that include 01845

North Andover, MA ZIP codes — 1 ZIP code
Essex County ZIP codes — 44 ZIP codes
Massachusetts ZIP code data

Where it ranks

Mail every home in 01845

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) 01845, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 01845 in?: 01845 is a North Andover, MA mailing address. None of its land lies inside a Census-defined city or community.
What county is 01845 in?: 01845 is in Essex County.
What is the population of 01845?: About 32,494 people (±151), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 31,855.
What is the median household income in 01845?: $140,670 (±$8,507), compared with $103,960 for Massachusetts as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 01845?: 23 USPS carrier routes with 12,255 residential and 1,002 business mailboxes (13,274 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 01845?: The closest, measured center to center: 01921 (3.3 mi, Boxford), 01843 (3.7 mi, Lawrence), 01810 (4 mi, Andover), 01841 (4.1 mi, Lawrence), 01840 (4.2 mi, Lawrence) and 01835 (5.4 mi, Haverhill).

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