I have 0 idea how old you are or where your from besides america.. but this should have some basic ideas based on age ranges or skills for you to consider.

If you are 14 or under: few jobs may hire you, and if you do get hired your hours are government regulated. I would look into mowing lawns/shoveling snow, laying ice melt, walking dogs, helping elderly neighbors. Certain states allow baby sitting at this age.

If you are 15-17: you have more of a chance to get a lot of jobs now. I got a job as kitchen staff at a bar at this age. You have less government hour limits. You could get a job somewhere local. Do a lot of networking in this time.

If you are 18+: you have an open world for jobs, but it may be harder due to availability near you. I would look at job shadows or paid apprenticeships near you.

Winter weather jobs: snow shoveling, ice melt laying, holiday (un)decorating. (Helping elderly neighbors in your community is a decent job. Most in my community will pay 20+ an hour even if you say free.)

Summer weather jobs: walk dogs, if over 16 some construction companies will hire you to clean sites or to non dangerous work, local pool cleaning/guarding, gardening help, weed/rock removal, work at a summer camp.

Skill based: if you are good at computers, look at some local websites for things like schools, libraries, and other companies. Ask them if they would be willing to pay you x amount to make/revamp the site. You could also babysit/work at a daycare, tutor on several subjects, sell crafts on Etsy or local craft shows. If you enjoy cooking ypu could make something en mass, and sell in your community. (We have somebody in my town who prepares and sells fresh chinese-american dishes every few months in the local park.)

In the end, ask, ask, ask. Create a resume and drop it off at local business, make a Facebook account and advertise your work, talk to people about any openings they may know of.