| Dayalpur | |
| Settlement Type: | Village |
| Pushpin Map: | India Bihar#India |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 25.715°N 85.315°W |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Vaishali |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Bajjika, Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Area Code Type: | Telephone code |
| Area Code: | 06224postal_code = 844502 |
| Iso Code: | IN-BR |
Dayalpur is a village in Hajipur, Vaishali, in the state of Bihar. It has existed since around 1500 AD.
The population is approximately 9,865 (98% Hindu and 2% Muslim). The literacy rate is 53.03% with a female rate of 38.94% and a male rate of 66.51%.[1]
The region is green with plants and trees growing in a semi-tropical monsoon climate. The months of May–June are hot and December–January are cold.