US > New York > Montgomery County > Fort Plain, NY 13339

13339 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Fort Plain, NY | Hallsville, NY | Hessville, NY | Mindenville, NY | Sand Hill, NY | Stone Arabia, NY
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ZIP Code 13339: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fort Plain, NY 13339

Not Acceptable, USPS
Ephratah, NY 13339
Ft Plain, NY 13339
Hallsville, NY 13339
Hessville, NY 13339
Minden, NY 13339
Mindenville, NY 13339
Sand Hill, NY 13339
Starkville, NY 13339
Stone Arabia, NY 13339

  • ZIP Code Type: STANDARD
  • County: Montgomery County
  • Centroid: Latitude 42.959, Longitude -74.578
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 13339 has segments in 3 Counties (Fulton, Herkimer, Montgomery).

  • Businesses Addresses: 146
  • PO Box Addresses: 73
  • Residential Addresses: 2,596
    • Multi-Family Addresses: 36
    • Single Family Addresses: 2,560

The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.

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Fort Plain, NY 13339 Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 6,140 (100%)
Population in Households 6,126 (99.8%)
Population in Families 4,909 (80.0%)
Population in Group Quarters1 14 ( 0.2%)
Population Density 60
Diversity Index2 22
 
 

INCOME

Median Household Income $58,558
Average Household Income $72,184
% of Income for Mortgage4 14%
Per Capita Income $28,347
Wealth Index5 51
Socioeconomic Status Index6 Moderate (49.4)
 

HOUSING

Total HU (Housing Units) 2,768 (100%)
Owner Occupied HU 1,763 (63.7%)
Renter Occupied HU 648 (23.4%)
Vacant Housing Units 357 (12.9%)
Median Home Value $133,053
Average Home Value $195,156
Housing Affordability Index3 135
 

HOUSEHOLDS

Total Households 2,411
Average Household Size 2.54
Family Households 1,589
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -0.91% -0.14%
Households 0.17% 0.00%
Families   -0.46%
Median Household Income   1.97%
Per Capita Income   1.91%
Owner Occupied HU   -0.13%

Fort Plain, NY 13339 - Peer Comparisons by Rank and Percentile

The table below compares 13339 to the other 1,710 ZIP Codes in New York by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 662 61st
Population Density # 1209 29th
Median Household Income # 1502 12th
Housing Affordability Index # 1546 90th
Per Capita Income # 1578 8th
Diversity Index # 1145 33rd

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.


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