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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, chose a 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 identifier 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 Montgomery: 2395380

GNIS ID for Hamilton County: 1074043

GNIS ID for Ohio: 1085497

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 Montgomery:

Place (Community) Code:  51716
State Code:  39 (Ohio)
County Code:  061 (Hamilton 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:  39/51716
State/County Code:  39/061

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 Ohio:    39   1085497
Hamilton County:    39/061   1074043
Montgomery:    39/51716   2395380

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 Montgomery, it is a point within Montgomery 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 Montgomery, the GNIS GPS location is given as:

Lat:   39° 14' 57"   (or 39.25°)

Lon:   -84° 20' 43"   (or -84.35°)  

Determined by its statistical needs, the Census Bureau has defined a sampling area for Montgomery - 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 Montgomery, the Census 2010 GPS location is given as:

Lat:   39° 15' 4"   (or 39.25°)

Lon:   -84° 20' 52"   (or -84.35°)  

The map point defined by the Census Bureau lies 1,004 feet to the northwest<1> of the point given by the GNIS (see above).

You might note that the GPS location given for the 2010 Census is different than the location that was specified by the 2000 Census:

Lat:   39° 14' 50"   (or 39.25°)

Lon:   -84° 20' 51"   (or -84.35°)  

The GPS location given for the 2000 Census lies 1,417 feet to the south<2> of the point given by the 2010 Census.

Regional Codes ...

For statistical purposes, the US Census Bureau has divided the country into four Regions. Montgomery is located in Region #2 (the Midwest Region).

In turn, the US Census Bureau has further divided each Region into Divisions. Montgomery is located in Division #3 (the East North-Central Division).

The Office of Management and Budget (OMB) has created ten Federal Regions. Montgomery is located in Region V (Region 5).

The Federal Emergency Management Agency (FEMA) has created ten Management Regions. Montgomery is located in Region V (Region 5).

Referenced GNIS Records ...

GNIS ID #1065047   (Name of Record: Montgomery)

Class: populated place

A place or area having clustered or scattered buildings and a permanent population (such as a city, settlement, town or village). The boundaries may or may not coincide with the perceived population.

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

County: Hamilton

Map Name: Madeira

Lat: 39.2281143       Lon: -84.3541062  

Elev: 244 ft.


GNIS ID #2395380   (Name of Record: City of Montgomery)

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: Hamilton

Map Name: Madeira

Lat: 39.2493099       Lon: -84.345446  

Elev: 241 ft.

Referenced FIPS Records ...

FIPS Code: 39/51716   (Place Name: Montgomery)

County: Hamilton     (FIPS State/County: 39/061)

Class: C2

Part-of-Code: 51720

GSA Code: 5260

MRF Code: 2760

MSA Code: 1640

The official website for Montgomery: www.ci.montgomery.oh.us/

The official website for Hamilton County: www.hamilton-co.org/

The official website for State of Ohio: https://ohio.gov/


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 45 degrees and a distance of 1,004 feet.
<2>The calculated bearing (or angle) to the 2000 Census location is 185 degrees and a distance of 1,417 feet.









 

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This page was last modified/updated: 23 Nov 2024