City in Carroll County, Indiana · 2.7 sq mi · 1,099 people per sq mi
2,983 people live in Delphi. The typical household earns $59,972, and the median resident is 37 years old.
2026 projection
From 2,961 in 2020
Poverty rate 9.59%
Men 35.3 · Women 39.6
1850–2026
2,983
2026 projection
0.7% 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.
1850–2026
2,983
2026 projection
0.7% 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 | 2,983 | +10 | 0.34% |
|---|---|---|---|
| 2025 | 2,973 | -16 | 0.54% |
| 2024 | 2,989 | +6 | 0.20% |
| 2023 | 2,983 | +16 | 0.54% |
| 2022 | 2,967 | -4 | 0.13% |
| 2021 | 2,971 | +10 | 0.34% |
| 2020 | 2,961 | +10 | 0.34% |
| 2019 | 2,951 | +7 | 0.24% |
| 2018 | 2,944 | +22 | 0.75% |
| 2017 | 2,922 | +24 | 0.83% |
Showing 10 of 33 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.
Delphi is growing slower than Carroll County, Indiana, 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 29 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 10 residents
36% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 36% | 45% | 30% |
| Never married | 29% | 32% | 26% |
| Divorced | 25% | 11% | 35% |
| Widowed | 10% | 12% | 9% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources