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Hamilton County, TN — 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. 30 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 — 1.08× the U.S. rate (between 1.08× and 1.11× 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. 11 ZIP cells in this county are withheld, 6 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

In line with the U.S. rate   Hamilton County fast food — 108–111% of the U.S. rate

345 fast food are counted in Hamilton County — 7.2 per 10,000 people present (residents + daytime workers), 108% 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 5% between 2015 and 2023 (322 → 338). 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 37412 (Chattanooga), 37416 (Chattanooga), 37415 (Chattanooga) — well above the national rate. On measured density alone, the lowest-density residential ZIPs with a published count are 37341 (Harrison), 37377 (Signal Mountain), 37406 (Chattanooga).

BLS QCEW puts the latest county-wide count (2026 Q1) at 389 establishments, the freshest available signal.

Measured density: Hamilton County sits at 108% of the U.S. rate for fast food. 6 ZIPs with population have no published count (each 0–2 businesses), so the true per-capita rate is between 108% and 111% of the U.S. rate. Why. The highest measured density is in 37412 and 37416; the lowest measured density is in 37341 and 37377.

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
345–367
published count; upper bound counts each withheld ZIP cell as 2 (11 cells) (2023)
Per 10,000 present
7.2
residents + daytime workers
U.S. average
6.7
per 10,000 present
County index
1.08×
vs. U.S.
Latest quarter (QCEW)
389
2026 Q1 — county total
Residents
379,528
25 ZIPs with data
Workers
202,811
jobs located in county

Is the area growing?

Population
386,256
Census PEP, July 1 2024
Change since 2020
+5.0%
+18,365 people
Net migration 2024
+4,501
international +1,428, domestic +3,073
Jobs located here
209,125
LODES 2022, +1.8% since 2019

Hamilton County had an estimated 386,256 residents on July 1, 2024 — 5.0% more than in 2020 (+18,365). In the latest year it gained 4,984 people: births minus deaths +459, international migration +1,428, domestic migration +3,073. Components are published separately and may not sum exactly.

209,125 jobs were located in the county in 2022 (+1.8% since 2019), and 157,251 employed residents lived there (+0.7% 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
37341 Harrison
+33.7%
37404 Chattanooga
+21.4%
37412 Chattanooga
+3.1%
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
53
no paid employees (2024)
Receipts
$4.7M
published gross receipts
Receipts per business
$88K
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 5% since 2015

Number of fast food 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.

322
2015
329
2018
343
2020
333
2021
337
2022
338
2023

Highest measured density

ZIP
vs. U.S. average
Index
37412 Chattanooga
185%
37416 Chattanooga
143%
37415 Chattanooga
139%
37421 Chattanooga
137%
37343 Hixson
134%
37419 Chattanooga
133%
37411 Chattanooga
132%
37363 Ooltewah
108%
37405 Chattanooga
107%
37404 Chattanooga
81%
37407 Chattanooga
74%
37379 Soddy Daisy
68%
37403 Chattanooga
65%
37406 Chattanooga
50%
37377 Signal Mountain
50%

Lowest measured density

ZIP
vs. U.S. average
Index
37341 Harrison
28%
37377 Signal Mountain
50%
37406 Chattanooga
50%
37403 Chattanooga
65%
37379 Soddy Daisy
68%
37407 Chattanooga
74%
37404 Chattanooga
81%
37405 Chattanooga
107%
37363 Ooltewah
108%
37411 Chattanooga
132%
37419 Chattanooga
133%
37343 Hixson
134%
37421 Chattanooga
137%
37415 Chattanooga
139%
37416 Chattanooga
143%
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
37402Chattanooga Employment hub 3,95326,012 13 115%
37315Collegedale Employment hub 1,8256,338 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
37412Chattanooga 21,8646,491 31 12.3 185% High density
37408Chattanooga 3,5026,549 8 11.8 177% High density
37416Chattanooga 13,91916,162 21 9.5 143% Above average
37415Chattanooga 24,1815,637 25 9.3 139% Above average
37421Chattanooga 52,98542,723 68 9.1 137% Above average
37343Hixson 45,10110,374 45 8.9 134% Above average
37419Chattanooga 5,9806,034 8 8.9 133% Above average
37411Chattanooga 18,9977,539 20 8.8 132% Above average
37409Chattanooga 3,3572,765 4 8.4 127% Above average
37402Chattanooga 3,95326,012 13 7.7 115% Above average
37363Ooltewah 42,09310,435 34 7.2 108% Above average
37405Chattanooga 18,10911,404 17 7.1 107% Above average
37404Chattanooga 14,73711,073 11 5.4 81% Below average
37407Chattanooga 9,1565,931 6 4.9 74% Below average
37379Soddy Daisy 29,4302,893 14 4.5 68% Below average
37403Chattanooga 6,41310,200 5 4.3 65% Below average
37406Chattanooga 13,3648,994 6 3.4 50% Below average
37377Signal Mountain 17,1881,828 6 3.3 50% Far below average
37341Harrison 15,591887 3 1.9 28% Far below average
37302Apison 5,082310 0–2 — — Not published
37308Birchwood 3,18845 0–2 — — Not published
37315Collegedale 1,8256,338 0–2 — — Not published
37350Lookout Mountain 2,111292 0–2 — — Not published
37373Sale Creek 3,273242 0–2 — — Not published
37384Soddy Daisy —613 0–2 — — Not published
37401Chattanooga —93 0–2 — — Not published
37410Chattanooga 4,1291,653 0–2 — — Not published
37422Chattanooga —358 0–2 — — Not published
37424Chattanooga —105 0–2 — — Not published
37450Chattanooga 01,602 0–2 — — Not published

Scroll the table sideways to see all columns.

Find an actual space in Chattanooga

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 Chattanooga retail space →
Crexi
Free listings + market data
Browse Chattanooga retail space →
CityFeet
Retail space for lease
Browse Chattanooga 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 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 389 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.