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Montgomery County, OH — Fast food Saturation

How many fast food 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. 39 ZIP codes analyzed.

Includes: Fast food · Quick-service restaurants · Takeout & delivery counters · Pizza delivery · Sandwich & burger chains. Counted together because official statistics use one 722513 code.

Measured density: Above average — 1.19× the U.S. rate (between 1.19× and 1.21× 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. 10 ZIP cells in this county are withheld, 4 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

Above the U.S. rate   Montgomery County fast food — 119–121% of the U.S. rate

523 fast food are counted in Montgomery County — 8.0 per 10,000 people present (residents + daytime workers), 119% of the U.S. rate of 6.7.

On the comparable ZIP set (ZIPs with a published count in every year), the total has risen 12% between 2015 and 2023 (458 → 512). 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 45459 (Dayton), 45449 (Dayton), 45439 (Dayton) — well above the national rate. On measured density alone, the lowest-density residential ZIPs with a published count are 45430 (Dayton), 45458 (Dayton), 45417 (Dayton).

BLS QCEW puts the latest county-wide count (2026 Q1) at 516 establishments, the freshest available signal.

Measured density: Montgomery County sits at 119% of the U.S. rate for fast food. 4 ZIPs with population have no published count (each 0–2 businesses), so the true per-capita rate is between 119% and 121% of the U.S. rate. Why. The highest measured density is in 45459 and 45449; the lowest measured density is in 45430 and 45458.

This is a supply-side read: it counts existing fast food 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.

Fast food
523–543
published count; upper bound counts each withheld ZIP cell as 2 (10 cells) (2023)
Per 10,000 present
8.0
residents + daytime workers
U.S. average
6.7
per 10,000 present
County index
1.19×
vs. U.S.
Latest quarter (QCEW)
516
2026 Q1 — county total
Residents
537,404
33 ZIPs with data
Workers
239,839
jobs located in county

Is the area growing?

Population
537,443
Census PEP, July 1 2024
Change since 2020
+0.1%
+304 people
Net migration 2024
+2,693
international +2,699, domestic −6
Jobs located here
253,470
LODES 2022, −1.1% since 2019

Montgomery County had an estimated 537,443 residents on July 1, 2024 — 0.1% more than in 2020 (+304). In the latest year it gained 2,130 people: births minus deaths −571, international migration +2,699, domestic migration −6. Components are published separately and may not sum exactly.

253,470 jobs were located in the county in 2022 (−1.1% since 2019), and 229,051 employed residents lived there (−2.1% 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
45458 Dayton
+22.2%
45419 Dayton
+12.9%
ZIP losing residents
2015–19 → 2020–24
Change

No ZIP had a statistically significant decrease.

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
95
no paid employees (2024)
Receipts
$4.6M
published gross receipts
Receipts per business
$48K
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 fast food 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 — up 12% since 2015

Number of fast food in Montgomery 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.

458
2015
476
2018
495
2020
502
2021
500
2022
512
2023

Highest measured density

ZIP
vs. U.S. average
Index
45459 Dayton
230%
45449 Dayton
185%
45439 Dayton
174%
45440 Dayton
170%
45424 Dayton
157%
45414 Dayton
154%
45322 Englewood
144%
45409 Dayton
144%
45377 Vandalia
129%
45345 New Lebanon
117%
45429 Dayton
115%
45419 Dayton
115%
45309 Brookville
115%
45404 Dayton
108%
45327 Germantown
106%

Lowest measured density

ZIP
vs. U.S. average
Index
45430 Dayton
47%
45458 Dayton
50%
45417 Dayton
58%
45403 Dayton
70%
45416 Dayton
74%
45342 Miamisburg
85%
45405 Dayton
87%
45406 Dayton
93%
45410 Dayton
96%
45426 Dayton
98%
45420 Dayton
102%
45415 Dayton
104%
45327 Germantown
106%
45404 Dayton
108%
45309 Brookville
115%
Low measured density is not evidence of opportunity. A ZIP with few fast food 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 ResidentsWorkersFast foodIndex
45402Dayton Employment hub 9,40722,596 16 116%
45428Dayton Destination 2722,840 0–2 —
45469Dayton Destination 1686,459 0–2 —

Scroll the table sideways to see all columns.

All ZIP codes

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

ZIPNeighborhood ResidentsWorkersFast food Per 10kIndexStatus
45459Dayton 28,55321,194 60 15.3 230% High density
45449Dayton 19,0665,600 27 12.3 185% High density
45439Dayton 11,91414,108 22 11.6 174% High density
45440Dayton 22,3588,039 30 11.4 170% High density
45424Dayton 50,72516,757 62 10.5 157% High density
45414Dayton 21,16716,243 30 10.2 154% High density
45322Englewood 20,8844,025 22 9.6 144% Above average
45409Dayton 15,2934,820 17 9.6 144% Above average
45377Vandalia 14,88812,094 18 8.6 129% Above average
45315Clayton 4,9052,871 5 7.9 118% Above average
45345New Lebanon 6,110620 5 7.8 117% Above average
45402Dayton 9,40722,596 16 7.7 116% Above average
45429Dayton 26,34712,463 25 7.7 115% Above average
45419Dayton 17,0082,491 14 7.7 115% Above average
45309Brookville 11,8762,426 10 7.6 115% Above average
45404Dayton 9,82613,607 12 7.2 108% Above average
45327Germantown 9,3151,092 7 7.1 106% Above average
45415Dayton 12,4654,015 10 6.9 104% Above average
45420Dayton 24,4117,240 19 6.8 102% Above average
45426Dayton 14,1142,346 10 6.5 98% Below average
45410Dayton 14,6941,981 10 6.4 96% Below average
45406Dayton 19,9912,043 13 6.2 93% Below average
45405Dayton 18,9553,630 12 5.8 87% Below average
45342Miamisburg 36,15226,858 28 5.6 85% Below average
45416Dayton 5,640860 3 4.9 74% Below average
45403Dayton 13,6082,898 7 4.6 70% Below average
45417Dayton 28,1866,061 12 3.8 58% Below average
45458Dayton 38,7127,091 14 3.3 50% Far below average
45430Dayton 7,3714,246 3 3.2 47% Far below average
45325Farmersville 2,470180 0–2 — — Not published
45343Miamisburg —81 0–2 — — Not published
45354Phillipsburg 55345 0–2 — — Not published
45401Dayton —175 0–2 — — Not published
45413Dayton —59 0–2 — — Not published
45422Dayton —86 0–2 — — Not published
45423Dayton 0689 0–2 — — Not published
45428Dayton 2722,840 0–2 — — Not published
45448Dayton —59 0–2 — — Not published
45469Dayton 1686,459 0–2 — — Not published

Scroll the table sideways to see all columns.

Find an actual space in Miamisburg

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 Miamisburg retail space →
Crexi
Free listings + market data
Browse Miamisburg retail space →
CityFeet
Retail space for lease
Browse Miamisburg 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 Montgomery County and fast food

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 722513 — limited-service restaurants. 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 516 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 (6.67 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.