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Prepositions with nouns

“in county” or “of county” with county

In county commonly shows location within a county. Of county is usually part of a longer phrase connected to the county.

Quick answer

Which phrase should you use?

Use in county or in the county for location or activity within a county. Of county is not normally used alone; it appears in phrases such as officials of the county or the borders of the county.

She owns land in the county.
The residents of the county voted early.
Most services are available in county.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
in + the county

Location within a county

Use in the county to describe position or activity inside a county area.

They opened a new office in the county.
He grew up in this county.
2
of + the county

Connection to a county

Use of the county after another noun to show relation or ownership.

the roads of the county
officials of the county
3
county-wide

Actions affecting the whole county

County-wide describes something covering an entire county.

a county-wide survey
The council announced county-wide restrictions.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
in county
Patients can receive treatment in county.
Within the local county system or area.
of county
English usually prefers a larger phrase such as residents of the county.
Not common as a standalone phrase.
within the county
All deliveries stay within the county.
Inside county boundaries.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Leaving out the article unnecessarily

The county often needs the before it.

✕ She works in county office. ✓ She works in the county office.

Using of county without a head noun

Of county normally follows another noun.

✕ The laws of county changed. ✓ The laws of the county changed.

Quick practice

Choose the expression that matches the intended meaning.

1. They bought a house ___ the county.
2. The borders ___ the county are clearly marked.
3. The program operates ___ the county.

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Frequently asked questions

Is in county always written with the?

No. Some official or regional uses omit the article, but in the county is more common in general English.

Can I use of county by itself?

Usually no. It normally follows another noun, such as residents of the county.

What is a natural alternative to in county?

Within the county is a common alternative.

"in act" or "of act"? "in agreement" or "of agreement"? "in appearance" or "of appearance"? "in area" or "of area"? in, at, on, of or to hand? "in attempt" or "of attempt"? "in battle" or "of battle"? "in celebration", "of celebration" or "for celebration"? "in chain" or "of chain"? "in chapter" or "of chapter"? "in charge" or "of charge"? "in check" or "of check"?

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