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Hamilton County, OH — Dentists Saturation

How many dentists exist per person present — residents plus daytime workers — by ZIP code, compared with the U.S. average. Establishment data: Census ZBP 2023. Population: ACS 2024 5-year. 63 ZIP codes analyzed.

Includes: General & family dentists · Orthodontists · Oral surgeons · Other dental specialists. Counted together because official statistics use one 621210 code.

Measured density: Below average — 0.81× the U.S. rate (between 0.81× and 0.95× once withheld ZIP cells are counted)

Why a range: Census does not publish a ZIP-by-industry count when that ZIP has 0–2 businesses. 34 ZIP cells in this county are withheld, 26 of them with residents. Each could hold 0, 1, or 2 businesses: counting them all as 0 gives the low end, counting them all as 2 gives the high end — the data cannot say where the truth sits. The density range uses only the populated cells, since ZIPs without residents are excluded from per-person rates. How ranges work

Range spans the U.S. rate   Hamilton County dentists — 81–95% of the U.S. rate

307 dentists are counted in Hamilton County — 2.7 per 10,000 people present (residents + daytime workers), 81% of the U.S. rate of 3.4.

On the comparable ZIP set (ZIPs with a published count in every year), the total has fallen 13% between 2015 and 2023 (350 → 304). That set is smaller than today's county total. 2020–2021 were pandemic-distorted, and Census rounds counts, so small moves are within noise.

Measured supply density is highest in 45208 (Cincinnati), 45247 (Cincinnati), 45209 (Cincinnati) — well above the national rate. On measured density alone, the lowest-density residential ZIPs with a published count are 45237 (Cincinnati), 45219 (Cincinnati), 45212 (Cincinnati).

BLS QCEW puts the latest county-wide count (2026 Q1) at 310 establishments, the freshest available signal.

Measured density: Hamilton County sits at 81% of the U.S. rate for dentists. 26 ZIPs with population have no published count (each 0–2 businesses), so the true per-capita rate is between 81% and 95% of the U.S. rate. Why. The highest measured density is in 45208 and 45247; the lowest measured density is in 45237 and 45219.

This is a supply-side read: it counts existing dentists and the people present, not foot traffic, income, rent, or whether locals want more. Treat low density as a question to check, not an answer.

Dentists
307–375
published count; upper bound counts each withheld ZIP cell as 2 (34 cells) (2023)
Per 10,000 present
2.7
residents + daytime workers
U.S. average
3.4
per 10,000 present
County index
0.81×
vs. U.S.
Latest quarter (QCEW)
310
2026 Q1 — county total
Residents
842,501
54 ZIPs with data
Workers
531,677
jobs located in county

Is the area growing?

Population
837,359
Census PEP, July 1 2024
Change since 2020
+0.8%
+6,941 people
Net migration 2024
+3,496
international +7,120, domestic −3,624
Jobs located here
512,101
LODES 2022, −3.3% since 2019

Hamilton County had an estimated 837,359 residents on July 1, 2024 — 0.8% more than in 2020 (+6,941). In the latest year it gained 5,800 people: births minus deaths +2,311, international migration +7,120, domestic migration −3,624. Components are published separately and may not sum exactly.

512,101 jobs were located in the county in 2022 (−3.3% since 2019), and 382,377 employed residents lived there (−4.0% since 2019). LODES counts wage and salary jobs covered by unemployment insurance plus federal jobs; it excludes the self-employed and military, and counts jobs rather than unique people. 2019→2022 spans the pandemic, so read it as one change, not a trend.

Population and migration say whether the customer base is growing. They do not say whether people want another business of this type. Definitions and limits →  ·  Full county detail →

ZIP gaining residents
2015–19 → 2020–24
Change
45204 Cincinnati
+52.8%
45202 Cincinnati
+26.8%
45030 Harrison
+10.8%
ZIP losing residents
2015–19 → 2020–24
Change
45248 Cincinnati
−11.9%
45212 Cincinnati
−5.2%

ACS 5-year estimates for 2015–2019 and 2020–2024. Only ZIPs with at least 2,000 residents in both windows and a change larger than the survey margin of error (90%) are listed — small ZIPs move a lot on paper without a real signal.

Nonemployer businesses (no paid employees)

Nonemployer businesses
69
no paid employees (2024)
Receipts
$3.7M
published gross receipts
Receipts per business
$53K
gross, not profit

Census Nonemployer Statistics counts businesses with no paid employees — a separate universe from the employer establishments counted above; a business is in one or the other, never both. They are not storefronts by definition: many are home-based, mobile, or part-time.

We show them beside the density index, not inside it. In categories such as nail and beauty salons, child care, and pet care, one-person businesses can outnumber employer establishments, so the employer-only count understates how many businesses exist. That is not evidence of higher demand.

Receipts are gross revenue reported for these businesses — not profit, and not the size of the local market. Census publishes this only at county level, so it is not shown on the ZIP map. See methodology.

Saturation map

Each ZIP area is shaded by its density of this business type per person present (residents + workers) vs. the U.S. average. Click any ZIP to zoom to its boundary, see its numbers, and switch to aerial imagery. Individual mapped shops appear as dots at street level — Show locations zooms you in to them (scroll or double-click to zoom).

Basemap:
Under 50% 50–100% 100–150% 150–250% 250%+ 0–2 (not published) / no data ZIP total (dot size) Mapped shop (OpenStreetMap, street level)

Map data © OpenStreetMap contributors, tiles by OpenFreeMap.

White dots are ZIP totals from the official Census count — the bigger the dot, the more dentists in that ZIP. They are aggregated, not individual shops. Turquoise dots are individual locations mapped in OpenStreetMap, shown only at street level; they are crowd-sourced and indicative, may be incomplete, and do not equal the official counts. Only the official ZIP totals feed the saturation index.

Market trend — down 13% since 2015

Number of dentists in Hamilton County across 2015–2023, on a consistent set of ZIP codes present in every year — so changes are real, not ZIP-boundary artifacts. 2015/2018 are pre-pandemic baselines; 2020/2021 are COVID-distorted.

350
2015
340
2018
329
2020
323
2021
307
2022
304
2023

Highest measured density

ZIP
vs. U.S. average
Index
45208 Cincinnati
288%
45247 Cincinnati
212%
45209 Cincinnati
211%
45230 Cincinnati
200%
45249 Cincinnati
188%
45236 Cincinnati
131%
45248 Cincinnati
119%
45243 Cincinnati
118%
45255 Cincinnati
113%
45241 Cincinnati
99%
45213 Cincinnati
93%
45030 Harrison
93%
45239 Cincinnati
84%
45231 Cincinnati
81%
45238 Cincinnati
75%

Lowest measured density

ZIP
vs. U.S. average
Index
45237 Cincinnati
38%
45219 Cincinnati
39%
45212 Cincinnati
45%
45220 Cincinnati
48%
45211 Cincinnati
50%
45240 Cincinnati
53%
45227 Cincinnati
55%
45215 Cincinnati
66%
45244 Cincinnati
67%
45251 Cincinnati
73%
45238 Cincinnati
75%
45231 Cincinnati
81%
45239 Cincinnati
84%
45030 Harrison
93%
45213 Cincinnati
93%
Low measured density is not evidence of opportunity. A ZIP with few dentists may simply lack foot traffic, retail space, or demand. We rank only residential and mixed ZIPs here; employment hubs and visitor destinations are listed separately below. ZIPs where Census did not publish a count (0–2 businesses) are not ranked: they may be the least served of all, but the data cannot tell 0 from 1 or 2. Verify those locally.

Employment hubs & destinations

These ZIPs have far more workers (or visitors) than residents, so their counts are driven by daytime and visitor demand — not a place to read "shortage" from resident numbers alone.

ZIPNeighborhoodType ResidentsWorkersDentistsIndex
45242Cincinnati Employment hub 22,62349,581 31 195%
45246Cincinnati Employment hub 13,52727,776 16 174%
45202Cincinnati Employment hub 17,86972,665 11 61%
45041Miamitown Employment hub 118335 0–2 —
45203Cincinnati Employment hub 2,4365,920 0–2 —
45267Cincinnati Destination 235 0–2 —

Scroll the table sideways to see all columns.

All ZIP codes

Click a column header to sort. Index = dentists per 10,000 people present (residents + 0.5×workers) ÷ the U.S. average. 100% = exactly average.

ZIPNeighborhood ResidentsWorkersDentists Per 10kIndexStatus
45208Cincinnati 17,9435,616 20 9.6 288% Very high density
45247Cincinnati 23,6176,371 19 7.1 212% High density
45209Cincinnati 10,57012,820 12 7.1 211% High density
45230Cincinnati 27,5014,546 20 6.7 200% High density
45242Cincinnati 22,62349,581 31 6.5 195% High density
45249Cincinnati 14,49018,620 15 6.3 188% High density
45246Cincinnati 13,52727,776 16 5.8 174% High density
45236Cincinnati 24,51319,456 15 4.4 131% Above average
45248Cincinnati 22,5764,820 10 4.0 119% Above average
45243Cincinnati 16,1033,098 7 4.0 118% Above average
45255Cincinnati 22,3138,296 10 3.8 113% Above average
45241Cincinnati 23,95536,330 14 3.3 99% Below average
45213Cincinnati 11,1393,329 4 3.1 93% Below average
45030Harrison 21,6408,247 8 3.1 93% Below average
45239Cincinnati 29,6074,846 9 2.8 84% Below average
45231Cincinnati 40,4637,532 12 2.7 81% Below average
45238Cincinnati 48,3517,146 13 2.5 75% Below average
45251Cincinnati 20,2548,727 6 2.4 73% Below average
45244Cincinnati 28,5115,307 7 2.2 67% Below average
45215Cincinnati 30,58619,692 9 2.2 66% Below average
45202Cincinnati 17,86972,665 11 2.0 61% Below average
45227Cincinnati 18,89316,136 5 1.9 55% Below average
45240Cincinnati 29,6008,704 6 1.8 53% Below average
45211Cincinnati 38,0498,107 7 1.7 50% Far below average
45220Cincinnati 14,1099,241 3 1.6 48% Far below average
45212Cincinnati 21,52610,295 4 1.5 45% Far below average
45219Cincinnati 20,01221,011 4 1.3 39% Far below average
45237Cincinnati 20,90336,956 5 1.3 38% Far below average
45001Addyston 904246 0–2 — — Not published
45002Cleves 15,4132,736 0–2 — — Not published
45033Hooven 37790 0–2 — — Not published
45041Miamitown 118335 0–2 — — Not published
45051Mount Saint Joseph 334312 0–2 — — Not published
45052North Bend 4,236719 0–2 — — Not published
45111Camp Dennison 265140 0–2 — — Not published
45174Terrace Park 2,321172 0–2 — — Not published
45201Cincinnati —366 0–2 — — Not published
45203Cincinnati 2,4365,920 0–2 — — Not published
45204Cincinnati 8,4122,477 0–2 — — Not published
45205Cincinnati 18,6511,399 0–2 — — Not published
45206Cincinnati 10,2995,758 0–2 — — Not published
45207Cincinnati 6,9835,074 0–2 — — Not published
45214Cincinnati 8,6305,521 0–2 — — Not published
45216Cincinnati 9,5695,510 0–2 — — Not published
45217Cincinnati 6,4542,794 0–2 — — Not published
45218Cincinnati 3,836278 0–2 — — Not published
45221Cincinnati —500 0–2 — — Not published
45222Cincinnati —129 5 — — Not published
45223Cincinnati 14,1823,424 0–2 — — Not published
45224Cincinnati 21,9007,976 0–2 — — Not published
45225Cincinnati 9,5832,350 0–2 — — Not published
45226Cincinnati 5,7966,407 0–2 — — Not published
45229Cincinnati 13,52918,484 0–2 — — Not published
45232Cincinnati 6,3634,489 0–2 — — Not published
45233Cincinnati 15,9812,999 0–2 — — Not published
45234Cincinnati —36 0–2 — — Not published
45250Cincinnati —115 0–2 — — Not published
45252Cincinnati 4,684761 0–2 — — Not published
45254Cincinnati —34 0–2 — — Not published
45262Cincinnati —38 0–2 — — Not published
45263Cincinnati —3,122 0–2 — — Not published
45267Cincinnati 235 0–2 — — Not published
45268Cincinnati —59 0–2 — — Not published

Scroll the table sideways to see all columns.

Find an actual space in Cincinnati

The numbers above tell you how the market looks. To find a specific storefront, these marketplaces list available retail space for lease.

LoopNet
Largest commercial marketplace
Browse Cincinnati retail space →
Crexi
Free listings + market data
Browse Cincinnati retail space →
CityFeet
Retail space for lease
Browse Cincinnati retail space →

Open vacancy data (actual empty units) is only published by some cities; where it exists we show it directly. Listings above are third-party.

Census withholds some ZIP-by-industry cells to protect small businesses. 0–2 means the cell was not published (Census publishes industry counts only at 3+ per ZIP), so the ZIP is left unranked rather than counted as zero. ~ means the count is estimated from the broader industry group and can be off by a business or two.

Follow Hamilton County and dentists

When a data vintage changes or a section of this report is revised, we post it to a public update feed. No email address, no account, no tracking — and nothing is sent unless something actually changed.

Subscribe to updates (RSS) How these numbers are built →

Methodology & sources

Establishments. U.S. Census ZIP Code Business Patterns (ZBP 2023), NAICS 621210 — offices of dentists. Counts establishments with paid employees. ZBP is published annually with a ~2-year lag.

Fresh county signal. BLS QCEW (quarterly) is newer than ZBP — 2026 Q1 shows 310 establishments county-wide for this industry. It cannot be broken down by ZIP.

Population. U.S. Census American Community Survey 2024 5-year ZCTA population (table B01003). Workers are the ZIP's total employment from the same 2023 ZBP file.

Demand ("people present"). Demand comes from residents and daytime workers: residents + 0.5 × workers. This is the single documented assumption in the model and can be tuned.

Index. index = (ZIP establishments ÷ ZIP demand × 10,000) ÷ the U.S. average for this industry (3.35 per 10,000 present). It is a supply-side density measure; it does not capture income, rent, tourism, or whether locals actually want more.

Read the full methodology →  ·  Data sources & vintages →

BizGapMap — free, no-login small-business saturation reports for major U.S. counties. Built entirely from public U.S. Census, BLS, and IRS data (ZBP 2023, ACS 2024 5-year, PEP 2024, LODES, QCEW, IRS SOI). No forecasts, no revenue guesses — withheld cells are marked, and the few derived counts are labelled as estimates.