Here again, this is an anecdotal observation. I do not believe there are quite as many coyotes in my neighborhood as there were 5 years ago. It seems as if when new species invade (or repatriate) they climb to very high levels, then fall back into some kind reduced level. I'll relate that to the Eurasian Lady Beetles that were introduced here 20 years ago. When that population exploded, you couldn't walk outside my house without them raining on you. True story: They were so bad at one time, that I could not fill my chainsaw with gas outdoors because the Ladybugs were falling into the gas tank! I swept a million of them up in my shop. (Yes 1,000,000 by virtual count.) We still have them, but this fall there were only two or three dozen scurrying about at any one time. I think the coyotes have followed the same basic pattern.
Endeavor to persevere.