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Miscellaneous Information


Various Identification Codes ...

GNIS Codes ...

The U.S. Board on Geographic Names (BGN) was created to address the problems caused by spelling and naming variations. The BGN will usually recognize an existing name or, when necessary, establish a new name for a geographic feature (such as a mountain, lake, river, stream, city, town, village, dam, bridge, etc).

The BGN names are kept in a database called the Geographic Names Information System (GNIS) and it is the official Federal repository. The GNIS is operated and maintained by the U.S. Geological Survey (USGS).

A unique and permanent number has been assigned for each name in the GNIS database. These names and identifiers are definitive and it is intended that they are to be used by all departments of the Federal Government:

GNIS ID for Marco Island: 2405015

GNIS ID for Collier County: 295754

GNIS ID for Florida: 294478

FIPS Codes ...

In a past effort, various federal agencies created a set of codes with a purpose similar to the GNIS codes. These codes are called the Federal Information Processing Standard (or the FIPS 55 codes). Although they are still used by some organizations, the FIPS codes are obsolete and will ultimately be replaced by the GNIS codes.

The following FIPS codes apply to Marco Island:

Place (Community) Code:  43083
State Code:  12 (Florida)
County Code:  021 (Collier County)

Since the Place and County FIPS codes are not unique and can be repeated in other States, it's necessary to combine the State code with the Place and County FIPS codes to uniquely identify them - for example:

State/Place Code:  12/43083
State/County Code:  12/021

As already mentioned, the FIPS codes are to be replaced by the GNIS codes. The following reflect those changes:

 FIPS Code
translates to    
GNIS Code
State of Florida:    12   294478
Collier County:    12/021   295754
Marco Island:    12/43083   2405015

GPS Location - GNIS vs Census ...

An important aspect of the GNIS code is that it assigns a GPS location (the latitude/longitude) to the geographic feature. This location is simply a point on the map and does not represent the size or shape of the feature. In the case of Marco Island, it is a point within Marco Island that might be a post office, the city hall or simply an intersection - the point should really be considered arbitrary and only indicating a general location.

For Marco Island, the GNIS GPS location is given as:

Lat:   25° 55' 59"   (or 25.93°)

Lon:   -81° 42' 4"   (or -81.7°)  

Determined by its statistical needs, the Census Bureau has defined a sampling area for Marco Island - this area also contains a map point. As with the GNIS code, the location of the Census point should be considered as being arbitrary within the sampling area.

For Marco Island, the Census 2010 GPS location is given as:

Lat:   25° 55' 56"   (or 25.93°)

Lon:   -81° 42' 3"   (or -81.7°)  

The map point defined by the Census Bureau lies 290.9 feet to the south<1> of the point given by the GNIS (see above).

Regional Codes ...

For statistical purposes, the US Census Bureau has divided the country into four Regions. Marco Island is located in Region #3 (the South Region).

In turn, the US Census Bureau has further divided each Region into Divisions. Marco Island is located in Division #5 (the South Atlantic Division).

The Office of Management and Budget (OMB) has created ten Federal Regions. Marco Island is located in Region IV (Region 4).

The Federal Emergency Management Agency (FEMA) has created ten Management Regions. Marco Island is located in Region IV (Region 4).

ZIP Codes ...

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 city like Marco Island, it does identify addresses that are in (or near) Marco Island. It's important to remember that the boundaries of a ZIP Code are defined by the needs of the USPS and can be changed, re-assigned or overlapped with other ZIP Codes.

The ZIP code for Marco Island: 34145-34146<2>

Referenced GNIS Records ...

GNIS ID #2405015   (Name of Record: City of Marco Island)

Class: civil

A political division formed for administrative purposes (such as a borough, county, incorporated place, parish, town or township).

A 'civil' record may have a corresponding 'census' or 'populated place' record. The information contained in the 'civil' record applies only to the class and should not be confused with either the 'census' and 'populated place' classes.

County: Collier

Map Name: Marco Island

Lat: 25.9332779       Lon: -81.701143  

Elev: 1 ft.

Referenced FIPS Records ...

FIPS Code: 12/43083   (Place Name: Marco Island)

County: Collier     (FIPS State/County: 12/021)

Class: X3

MSA Code: 5345

The official website for Marco Island: www.marcoislandcity.com/

The official website for Collier County: www.co.collier.fl.us/

The official website for State of Florida: https://www.myflorida.com/


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

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

The official website of the U.S. Census Bureau

The official website of the U.S. Office of Management and Budget (OMB)

The official website of the U.S. Federal Emergency Management Agency (FEMA)

Footnotes ...

<1>The calculated bearing (or angle) to the GNIS-supplied location is 191 degrees and a distance of 290.9 feet.
<2>When looking for a ZIP Code, whether Marco Island 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: 18 Mar 2025