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Census Data for North Andover

Population ...

The most recent Census Estimate<1> was for 2019 and it gave North Andover a population of 31,487 people.

The last Decennial Census<2> was in 2010, which gave North Andover a population of 28,352 people.

The community of North Andover is located in Essex County. The 2010 Census gave Essex County; a population of 743,159 people. This means that North Andover had 3.82% of the county's total population, making it Essex's 10th most populous community.

At the same time, Massachusetts had a population of 6,547,629 people, meaning that North Andover had 0.43% of the total population of Massachusetts - making it the state's 64th most populous community.

Area ...

The 2010 Census shows that the sampling area for North Andover has a total area of 27.74 square miles [71.9 km²]. Of this total, 26.31 square miles [68.1 km²] is land, with the balance (5.18%) being water (1.44 square miles [3.7 km²]).

Essex County has a land area of 492.6 square miles [1,275.7 km²]. At 26.31 square miles [68.1 km²], North Andover has 5.34% of the county's total land area.

  • Continue Reading ...
    • When the Census Bureau conducts a census for a community like North Andover, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually a polygon). The shape of the sampling area can be quite complex and it's important to keep in mind that the boundaries of the sampling area may or may not match the recognized boundaries of the community.
    • Things like population, area and housing for North Andover reflect the sampling area. Since the shape of the sampling area and the actual boundaries of North Andover might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.
    • Not only does the sampling area define boundaries, it also has a GPS location (latitude & longitude) that indicates a point within the sampling area (usually the center of the polygon, known as the centroid). At the time of the 2010 Census, the sampling area was located at:
    • Lat:   42° 40' 26"   (or 42.67°)
    • Lon:   -71° 5' 28"   (or -71.09°)
    • More information on this topic and the changes between the 2000 Census and the 2010 Census can be found in the section for our Census-to-Census Observations ... (see below).

Housing Units ...

At the time of the 2010 Census, North Andover had 10,964 Housing Units<3> and with its population of 28,352 people, this averages 2.59 people per Housing Unit.

  • Continue Reading ...
    • The 2010 Census shows North Andover had a land area of 26.31 square miles [68.1 km²]. This translates to 395.2 Housing Units per square mile [152.6 housing units/km²].
    • From the Census of 2000: North Andover had 9,943 Housing Units, a population of 27,202 people and a land area of 26.65 square miles [69 km²]. This gives a density of 2.74 people per Housing Unit and 357.1 Housing Units per square mile [137.9 housing units/km²].
    • Note: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2010 Census and the 2000 Census, there were changes in the sampling area for North Andover and you need to be careful when comparing between the censuses. More information about the nature of these the changes can be found in the section called Census-to-Census Observations ... (see below).

Essex County ...

North Andover is located in Essex County<4>.

The county had a population of 743,159 people at the 2010 Census. With it's population of 28,352 people, North Andover represented 3.82% of the county's total.

In addition, where the community of North Andover has a population density of 1,021 people per square mile [394.6 people/km²], Essex County averages 1,508 people per square mile [582 people/km²].

For more information, please visit our Census Page for Essex County.

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for North Andover, they start by specifying the boundaries of the area to be counted. This area (or sampling area) is a polygon and its shape can be quite complex - it may or may not match the geographical boundaries of North Andover. It's important to note that from one Census to the next, the shape and location of the polygon can change.

  • Continue Reading ...
    • Although we don't have specific information about the shape of the polygon for North Andover or how it changed has over time, there is some information that can give us some hints. For example, since the shape of the sampling area is directly related to the shape of the polygon, any change to area probably indicates a new shape for the polygon.
    • If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.

Location ...

While generally coinciding with the GPS location (latitude/longitude) of North Andover, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for North Andover.

  • Continue Reading ...
    • For the 2010 Census, the location was given as:
    • Lat:   42.673909°   (or 42°40'26" N)
    • Lon:   -71.091334°   (or -71°5'28" W)
    • For the 2000 Census, the location given was:
    • Lat:   42.683841°   (or 42°41'1" N)
    • Lon:   -71.111710°   (or -71°6'42" W)
    • The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 6,552 feet to the southeast<5> of the location that was used in the 2000 Census.
    • The U.S. Geological Survey (USGS) and the U.S. Board on Geographic Names (BGN) have assigned a unique GNIS identifier (#618306) to North Andover. This identifier also marks a GPS point on the map, and that point lies within the boundaries of North Andover. The GNIS point has been mapped to the latitude/longitude:
    • Lat:   42.698702°   (or 42°41'55" N)
    • Lon:   -71.135058°   (or -71°8'6" W)
    • The GPS location given for the 2010 Census lies 2 miles to the southeast<6> of the point given by the GNIS for North Andover. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for North Andover.

Miscellaneous Information for North Andover ...

The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has used one (or more) of the following identifiers when referring to either Essex County or the community of North Andover:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to North Andover:
    • GNIS ID for North Andover: 618306
    • GNIS ID for Essex County: 606931
    • GNIS ID for State of Massachusetts: 606926
  • Misc. Census Codes ...
    • North Andover is located in Census Region #1 (the Northeast Region) and Division #1 (the New England Division).
  • The US Postal Service ZIP Code ...
    • While some people have used a ZIP code to identify a community, the purpose of the ZIP code was to make mail delivery more efficient by grouping addresses together. Although the ZIP Code doesn't specifically identify a community like North Andover, it does identify addresses that are in (or near) North Andover. It's important to remember that the boundaries of a ZIP Code can be changed, re-assigned or overlapped with other ZIP Codes.
    • The ZIP code for North Andover:01845<7>
  • Census ZCTA Codes ...
    • The US Census Bureau created statistical entities that they call ZIP Code Tabulation Areas (ZCTAs) and these ZCTAs are frequently confused with the ZIP codes that come from the US Postal Service (USPS).
    • ZCTAs were first created for the 2000 Census and at that time, they were based upon the USPS ZIP codes. While largely covering the same areas, the boundaries of a ZCTA do not necessarily match the boundaries of a postal ZIP code with the same number. For example, while a postal ZIP code can cross a county or state line, a Census ZCTA can not. They should be treated as separate entities with no correlation between them.

For more information about the various Federal identification codes, please visit our Misc Page for North Andover.

Unfortunately, we don't know of a website for North Andover. If you can help, please contact us through our Feedback Page.

The official website for State of Massachusetts:

The official website of the U.S. Census Bureau

The official website of the U.S. Board on Geographic Names (BGN)

The official website of the U.S. Geological Survey (USGS)

Footnotes ...

<1>Every year, the US Census Bureau creates a population estimate for the preceeding year. Keep in mind that this value is an estimate and not an actual count. The most recent Census estimate is for the year 2019.
<2>Every 10 years (eg- 1990, 2000, 2010), the US Census Bureau conducts a Constitutionally-mandated count (or enumeration) of people living within the United States. This count is called a Decennial Census. The last Decennial Census was the 2010 Census, with the next one planned for 2020.
<3>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).
<4>If you're interested in how the shape of Massachusetts' counties, including Essex, have changed over time, we recommend the Atlas of Historical County Boundaries.
<5>The calculated bearing (or angle) to the 2010 Census location is 236 degrees and a distance of 6,552 feet.
<6>The calculated bearing (or angle) to the GNIS point is 232 degrees and a distance of 2 miles.
<7>When looking for a ZIP Code, whether North Andover or elsewhere, it's always best to check the website of the United States Postal Service (USPS).


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This page was last modified/updated: 07 Apr 2024