City in Benton County, Oregon · 2.1 sq mi · 2,805 people per sq mi
5,790 people live in Philomath. The typical household earns $83,672, and the median resident is 37.3 years old.
2026 projection
From 5,350 in 2020
Poverty rate 7.23%
Men 34.2 · Women 39.4
1880–2026
5,790
2026 projection
8.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1880–2026
5,790
2026 projection
8.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 5,790 | +91 | 1.60% |
|---|---|---|---|
| 2025 | 5,699 | -9 | 0.16% |
| 2024 | 5,708 | -22 | 0.38% |
| 2023 | 5,730 | +12 | 0.21% |
| 2022 | 5,718 | +116 | 2.07% |
| 2021 | 5,602 | +252 | 4.71% |
| 2020 | 5,350 | -50 | 0.93% |
| 2019 | 5,400 | +787 | 17.06% |
| 2018 | 4,613 | +1 | 0.02% |
| 2017 | 4,612 | +85 | 1.88% |
Showing 10 of 29 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Philomath is growing faster than Benton County, Oregon, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 56 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 14 residents
42% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 42% | 42% | 43% |
| Never married | 38% | 42% | 34% |
| Divorced | 13% | 10% | 16% |
| Widowed | 6% | 7% | 6% |
| Separated | 1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources