Philomath, OR Profile: Facts, Map & Data


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Philomath, Oregon - Basic Facts

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The City of Philomath had a population of 4,926 as of July 1, 2017. Philomath ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Oregon. See peer rankings below.

The primary coordinate point for Philomath is located at latitude 44.542 and longitude -123.3595 in Benton County. The formal boundaries for the City of Philomath (see map below) encompass a land area of 1.86 sq. miles and a water area of 0.19 sq. miles. Benton County is in the Pacific time zone (GMT -8). The elevation is 282 feet.

The City of Philomath (GNIS ID: 2411413) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Oregon is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Philomath is located within Corvallis Division of Benton County.

Beneath the boundary map are tables with Philomath population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Philomath, OR Boundary Map

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Philomath, OR Data & Demographics (As of July 1, 2017)


Total Population 4,926
Daytime Population: Workers 1,090
Daytime Population: Residents 2,672
Total Daytime Population (TDP) 3,762
Ratio TDP/Total Population1 0.76
Population in Households 4,908
Population in Familes 3,790
Population in Group Qrtrs 18
Population Density2 2,649
Diversity Index3 34


Median Household Income $53,972
Average Household Income $71,849
Per Capita Income $28,586


Total Housing Units 1,948 (100%)
Owner Occupied HU 1,037 (53.2%)
Renter Occupied HU 814 (41.8%)
Vacant Housing Units 97 ( 5.0%)
Median Home Value $238,386
Average Home Value $301,663


Total Households 1,851
Average Household Size 2.65
Family Households 1,194
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2017 2017-2022
Population 1.0% 1.03%
Households 0.91% 0.99%
Families -0.1% 0.86%
Median Household Income   3.1%
Per Capita Income   3.18%

Philomath, OR - Peer Comparisons by Rank and Percentile

The table below compares Philomath to the other 378 incorporated cities, towns and CDPs in Oregon by rank and percentile using July 1, 2017 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 # 101 74th
Population Density # 90 76th
Diversity Index # 150 60th
Median Household Income # 133 65th
Per Capita Income # 120 69th

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

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