Hamilton County, OH ZIP codes

There are 78 ZIP codes in Hamilton County, OH, in 10 towns, from 45001 to 45999. The largest are 45238 (Cincinnati), 45231 (Cincinnati) and 45211 (Cincinnati).

The county seat is Cincinnati.

ZIP codes: 78
Towns: 10
County seat: Cincinnati
County FIPS: 39061
State: Ohio
Population: 830,774
Median household income: $72,470
Land area: 405 sq mi
Area codes: 283, 513
Metro area: Cincinnati

Hamilton County ZIP codes by town

Addyston: 45001
Camp Dennison: 45111
Cincinnati (county seat): 45201, 45202, 45203, 45204, 45205, 45206, 45207, 45208, 45209, 45211, 45212, 45213, 45214, 45215, 45216, 45217, 45218, 45219, 45220, 45221, 45222, 45223, 45224, 45225, 45226, 45227, 45229, 45230, 45231, 45232, 45233, 45234, 45235, 45236, 45237, 45238, 45239, 45240, 45241, 45242, 45243, 45244, 45246, 45247, 45248, 45249, 45250, 45251, 45252, 45253, 45254, 45255, 45258, 45262, 45263, 45264, 45267, 45268, 45269, 45270, 45271, 45273, 45274, 45277, 45280, 45296, 45298, 45299, 45999
Cleves: 45002
Harrison: 45030
Hooven: 45033
Miamitown: 45041
Mount Saint Joseph: 45051
North Bend: 45052
Terrace Park: 45174

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Hamilton County ZIP codes

The ZIP codes of Hamilton County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Hamilton County in numbers

About 830,774 people live in Hamilton County, in 354,739 households, the 3rd most populous of Ohio's 88 counties. The median household income is $72,470 a year, about the same as the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $241,900 (13% above the Ohio median), and median gross rent is $1,075 a month. The median age is 36.9; 41.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 23 minutes.

Population	830,774Hamilton830,774
Households	354,739Hamilton354,739
Median age	36.9Hamilton36.9Ohio39.7US 38.9
Median household income	$72,470Hamilton$72,470Ohio$71,389US $80,734
Median home value	$241,900Hamilton$241,900Ohio$214,800US $332,700
Median gross rent	$1,075Hamilton$1,075Ohio$1,034US $1,413
Bachelor's degree or higher	41.8%Hamilton41.8%Ohio31.5%US 35.7%
Mean commute	22.8 minHamilton22.8 minOhio23.4 minUS 26.4 min
Population density	2,049 / sq miHamilton2,049 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Hamilton County

Largest towns in Hamilton County
Town	ZIP codes	Population
Cincinnati	69	311,224
Harrison	1	13,084
Cleves	1	3,388
Terrace Park	1	2,295
Miamitown	1	1,169
North Bend	1	1,148
Addyston	1	904
Hooven	1	403
Mount Saint Joseph	1	334
Camp Dennison	1	265

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Hamilton County.

Not sure you are in Hamilton County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Hamilton County, with figures

ZIP codes in Hamilton County
ZIP	City	Type	Population	Median income	Median home
`45001`	Addyston , OH	Standard	904	$50,417	$105,700
`45002`	Cleves , OH	Standard	15,413	$81,229	$310,900
`45030`	Harrison , OH	Standard	21,640	$98,598	$241,200
`45033`	Hooven , OH	Standard	377	$42,500	$83,200
`45041`	Miamitown , OH	Standard	118	—	—
`45051`	Mount Saint Joseph , OH	Standard	334	$66,932	—
`45052`	North Bend , OH	Standard	4,236	$101,165	$304,900
`45111`	Camp Dennison , OH	Standard	265	$100,893	$235,000
`45174`	Terrace Park , OH	Standard	2,321	$193,750	$603,800
`45201`	Cincinnati , OH	No street area	—	—	—
`45202`	Cincinnati , OH	Standard	17,869	$95,633	$443,600
`45203`	Cincinnati , OH	Standard	2,436	$21,973	$356,900
`45204`	Cincinnati , OH	Standard	8,412	$31,236	$95,400
`45205`	Cincinnati , OH	Standard	18,651	$43,682	$127,900
`45206`	Cincinnati , OH	Standard	10,299	$62,648	$271,700
`45207`	Cincinnati , OH	Standard	6,983	$49,801	$229,200
`45208`	Cincinnati , OH	Standard	17,943	$137,600	$547,200
`45209`	Cincinnati , OH	Standard	10,570	$93,420	$400,700
`45211`	Cincinnati , OH	Standard	38,049	$53,868	$169,500
`45212`	Cincinnati , OH	Standard	21,526	$72,422	$257,700
`45213`	Cincinnati , OH	Standard	11,139	$76,356	$286,100
`45214`	Cincinnati , OH	Standard	8,630	$27,852	$100,500
`45215`	Cincinnati , OH	Standard	30,586	$69,372	$226,400
`45216`	Cincinnati , OH	Standard	9,569	$44,099	$155,300
`45217`	Cincinnati , OH	Standard	6,454	$62,200	$171,300
`45218`	Cincinnati , OH	Standard	3,836	$71,000	$179,900
`45219`	Cincinnati , OH	Standard	20,012	$35,657	$207,900
`45220`	Cincinnati , OH	Standard	14,109	$53,440	$402,900
`45221`	Cincinnati , OH	No street area	—	—	—
`45222`	Cincinnati , OH	No street area	—	—	—
`45223`	Cincinnati , OH	Standard	14,182	$49,312	$210,100
`45224`	Cincinnati , OH	Standard	21,900	$56,471	$204,000
`45225`	Cincinnati , OH	Standard	9,583	$20,348	$103,100
`45226`	Cincinnati , OH	Standard	5,796	$97,558	$408,400
`45227`	Cincinnati , OH	Standard	18,893	$71,646	$298,800
`45229`	Cincinnati , OH	Standard	13,529	$32,263	$285,900
`45230`	Cincinnati , OH	Standard	27,501	$89,516	$262,100
`45231`	Cincinnati , OH	Standard	40,463	$71,353	$176,000
`45232`	Cincinnati , OH	Standard	6,363	$28,367	$130,500
`45233`	Cincinnati , OH	Standard	15,981	$110,742	$301,100
`45234`	Cincinnati , OH	No street area	—	—	—
`45235`	Cincinnati , OH	No street area	—	—	—
`45236`	Cincinnati , OH	Standard	24,513	$84,037	$231,300
`45237`	Cincinnati , OH	Standard	20,903	$44,913	$170,600
`45238`	Cincinnati , OH	Standard	48,351	$66,277	$183,900
`45239`	Cincinnati , OH	Standard	29,607	$60,324	$171,100
`45240`	Cincinnati , OH	Standard	29,600	$71,947	$203,700
`45241`	Cincinnati , OH	Standard	23,955	$103,585	$314,500
`45242`	Cincinnati , OH	Standard	22,623	$124,567	$447,100
`45243`	Cincinnati , OH	Standard	16,103	$171,172	$627,000
`45244`	Cincinnati , OH	Standard	28,511	$109,287	$382,100
`45246`	Cincinnati , OH	Standard	13,527	$65,370	$205,500
`45247`	Cincinnati , OH	Standard	23,617	$94,603	$288,400
`45248`	Cincinnati , OH	Standard	22,576	$84,510	$217,100
`45249`	Cincinnati , OH	Standard	14,490	$105,804	$495,000
`45250`	Cincinnati , OH	No street area	—	—	—
`45251`	Cincinnati , OH	Standard	20,254	$74,614	$185,300
`45252`	Cincinnati , OH	Standard	4,684	$84,963	$314,600
`45253`	Cincinnati , OH	No street area	—	—	—
`45254`	Cincinnati , OH	No street area	—	—	—
`45255`	Cincinnati , OH	Standard	22,313	$92,035	$303,800
`45258`	Cincinnati , OH	No street area	—	—	—
`45262`	Cincinnati , OH	No street area	—	—	—
`45263`	Cincinnati , OH	No street area	—	—	—
`45264`	Cincinnati , OH	No street area	—	—	—
`45267`	Cincinnati , OH	Standard	2	—	—
`45268`	Cincinnati , OH	No street area	—	—	—
`45269`	Cincinnati , OH	No street area	—	—	—
`45270`	Cincinnati , OH	No street area	—	—	—
`45271`	Cincinnati , OH	No street area	—	—	—
`45273`	Cincinnati , OH	No street area	—	—	—
`45274`	Cincinnati , OH	No street area	—	—	—
`45277`	Cincinnati , OH	No street area	—	—	—
`45280`	Cincinnati , OH	No street area	—	—	—
`45296`	Cincinnati , OH	No street area	—	—	—
`45298`	Cincinnati , OH	No street area	—	—	—
`45299`	Cincinnati , OH	No street area	—	—	—
`45999`	Cincinnati , OH	No street area	—	—	—

Cite this page

zipcodes.pro. “Hamilton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/hamilton

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