Town in Snohomish County, Washington · 0.2 sq mi · 723 people per sq mi
166 people live in Index. The median resident is 45.4 years old.
2026 projection
From 155 in 2020
Poverty rate 13.33%
Men 52.4 · Women 40.8
2010–2026
166
2026 projection
7.1% 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.
2010–2026
166
2026 projection
7.1% 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 | 166 | +1 | 0.61% |
|---|---|---|---|
| 2025 | 165 | +5 | 3.13% |
| 2024 | 160 | +3 | 1.91% |
| 2023 | 157 | +2 | 1.29% |
| 2022 | 155 | +1 | 0.65% |
| 2021 | 154 | -1 | 0.65% |
| 2020 | 155 | -1 | 0.64% |
| 2019 | 156 | -4 | 2.50% |
| 2018 | 160 | -3 | 1.84% |
| 2017 | 163 | -1 | 0.61% |
Showing 10 of 17 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.
Index is growing faster than Snohomish County, Washington, 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 2 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
41% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 41% | 44% | 38% |
| Never married | 36% | 31% | 42% |
| Divorced | 13% | 6% | 20% |
| Widowed | 10% | 19% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
11 sources