Saved Chicago Data research
Changes in Chicago business-license records
Compare Chicago license-record counts by community and license category. Research examples retain renewals, term dates and administrative caveats.
What this measure can tell us
These charts count license records by the start date of the license term, including renewals and other transactions. They do not measure business openings, business closures or the number of distinct operating establishments. One establishment can contribute more than one record.
The scan considered community totals, individual license categories and represented ward values. A rise in one category may be a genuine administrative change without a corresponding rise in economic activity. Category migrations, renewal schedules and changes in how a permit is recorded are plausible alternatives that the numeric screen cannot resolve.
Business frequency screening now compares the most recent 24 complete months with the preceding 24, requiring 48 consecutive covered months. The original 12-month comparison stays visible as context. The same 1.5-fold, five-record monthly-mean difference and 120-record supporting-total gates apply to the declared windows. Means use 24 months, and thresholds use unrounded values. Missing history never falls back to annual screening.
Applied to every one of the 5,676 business conditions in the same frozen snapshots, this revision leaves one qualifying frequency candidate: Near North Side Pop-Up Retail User records. All 70 original annual flags remain as review context; none qualifies under the new two-year rule. Its two-year totals fall from 214 to 37, but its annual totals rise from 15 to 22: the directions conflict, so it must not be described as a continuing decline. No business celeration turns qualified. The wider five-feed scan still covers 10,925 conditions; all non-business flags are unchanged.
Annual-only does not prove a renewal explanation or the absence of change. Some series miss an absolute-volume or monthly-delta gate rather than showing a repeating cycle. Two-year-only flags can describe older changes, and opposing annual/two-year directions must not be called persistent. Fixed windows reduce one administrative timing mismatch but are not seasonal adjustment, a renewal detector or statistically calibrated confirmation.
Source: Business Licenses, City of Chicago Data Portal. Source updates after the saved retrieval dates are not incorporated into this preview.
Browse the saved evidence
All conditions are listed alphabetically. With JavaScript, choose a signal to rank within this dataset; scores are review priorities, not statistical confidence.
Albany Park · All categories
Ward: 33 · Annual-only review context · not a qualifying candidate
642 → 607
Archer Heights · All categories
All other available filters · Annual-only review context · not a qualifying candidate
375 → 337
Archer Heights · All categories
Ward: 14 · Annual-only review context · not a qualifying candidate
349 → 313
Belmont Cragin · Retail Food Establishment · 1006
All other available filters · Annual-only review context · not a qualifying candidate
276 → 278
Belmont Cragin · All categories
Ward: 31 · Annual-only review context · not a qualifying candidate
580 → 552
Belmont Cragin · All categories
Ward: 36 · Annual-only review context · not a qualifying candidate
332 → 314
Beverly · All categories
All other available filters · Annual-only review context · not a qualifying candidate
347 → 317
Bridgeport · All categories
All other available filters · Annual-only review context · not a qualifying candidate
588 → 567
Bridgeport · All categories
Ward: 11 · Annual-only review context · not a qualifying candidate
584 → 563
Brighton Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
671 → 645
Brighton Park · All categories
Ward: 12 · Annual-only review context · not a qualifying candidate
493 → 474
Clearing · All categories
All other available filters · Annual-only review context · not a qualifying candidate
308 → 295
Clearing · All categories
Ward: 13 · Annual-only review context · not a qualifying candidate
298 → 286
Dunning · All categories
All other available filters · Annual-only review context · not a qualifying candidate
589 → 569
East Side · All categories
All other available filters · Annual-only review context · not a qualifying candidate
226 → 225
East Side · All categories
Ward: 10 · Annual-only review context · not a qualifying candidate
226 → 224
Edgewater · All categories
All other available filters · Annual-only review context · not a qualifying candidate
954 → 946
Edgewater · All categories
Ward: 48 · Annual-only review context · not a qualifying candidate
722 → 719
Edison Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
177 → 181
Gage Park · All categories
Ward: 14 · Annual-only review context · not a qualifying candidate
283 → 286
Greater Grand Crossing · All categories
Ward: 6 · Annual-only review context · not a qualifying candidate
444 → 398
Hermosa · All categories
All other available filters · Annual-only review context · not a qualifying candidate
436 → 398
Irving Park · Retail Food Establishment · 1006
All other available filters · Annual-only review context · not a qualifying candidate
197 → 189
Irving Park · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
281 → 269
Irving Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
1,050 → 1,024
Irving Park · All categories
Ward: 30 · Annual-only review context · not a qualifying candidate
233 → 230
Irving Park · All categories
Ward: 33 · Annual-only review context · not a qualifying candidate
351 → 339
Lake View · All categories
Ward: 32 · Annual-only review context · not a qualifying candidate
415 → 355
Lincoln Park · Retail Food Establishment · 1006
All other available filters · Annual-only review context · not a qualifying candidate
432 → 446
Lincoln Park · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
436 → 434
Lincoln Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
1,847 → 1,842
Lincoln Park · All categories
Ward: 2 · Annual-only review context · not a qualifying candidate
312 → 299
Lincoln Park · All categories
Ward: 32 · Annual-only review context · not a qualifying candidate
246 → 234
Lincoln Park · All categories
Ward: 43 · Annual-only review context · not a qualifying candidate
1,274 → 1,276
Lincoln Square · Retail Food Establishment · 1006
All other available filters · Annual-only review context · not a qualifying candidate
207 → 206
Lincoln Square · All categories
All other available filters · Annual-only review context · not a qualifying candidate
920 → 905
Lincoln Square · All categories
Ward: 40 · Annual-only review context · not a qualifying candidate
407 → 403
Logan Square · All categories
Ward: 26 · Annual-only review context · not a qualifying candidate
178 → 190
Loop · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
1,892 → 1,649
Lower West Side · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
355 → 333
Lower West Side · All categories
All other available filters · Annual-only review context · not a qualifying candidate
1,242 → 1,255
Lower West Side · All categories
Ward: 25 · Annual-only review context · not a qualifying candidate
1,154 → 1,159
McKinley Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
305 → 308
McKinley Park · All categories
Ward: 12 · Annual-only review context · not a qualifying candidate
207 → 205
Morgan Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
297 → 284
New City · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
1,076 → 885
New City · Pop-Up Retail User · 4409
All other available filters · Annual-only review context · not a qualifying candidate
67 → 186
New City · All categories
Ward: 12 · Annual-only review context · not a qualifying candidate
992 → 926
North Center · All categories
Ward: 32 · Annual-only review context · not a qualifying candidate
316 → 284
North Lawndale · All categories
Ward: 24 · Annual-only review context · not a qualifying candidate
324 → 284
North Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
321 → 325
Rogers Park · All categories
All other available filters · Annual-only review context · not a qualifying candidate
738 → 730
Rogers Park · All categories
Ward: 49 · Annual-only review context · not a qualifying candidate
702 → 695
Roseland · All categories
All other available filters · Annual-only review context · not a qualifying candidate
370 → 344
South Lawndale · Retail Food Establishment · 1006
All other available filters · Annual-only review context · not a qualifying candidate
228 → 209
South Lawndale · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
431 → 348
South Lawndale · All categories
All other available filters · Annual-only review context · not a qualifying candidate
1,151 → 1,069
South Lawndale · All categories
Ward: 22 · Annual-only review context · not a qualifying candidate
632 → 602
South Lawndale · All categories
Ward: 25 · Annual-only review context · not a qualifying candidate
346 → 300
South Shore · All categories
All other available filters · Annual-only review context · not a qualifying candidate
512 → 467
Uptown · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
244 → 237
West Lawn · All categories
All other available filters · Annual-only review context · not a qualifying candidate
464 → 415
West Ridge · Limited Business License · 1010
All other available filters · Annual-only review context · not a qualifying candidate
352 → 316
West Town · Consumption on Premises - Incidental Activity · 1475
All other available filters · Annual-only review context · not a qualifying candidate
234 → 225
West Town · All categories
Ward: 27 · Annual-only review context · not a qualifying candidate
687 → 680
No recorded candidate matches these filters. Try a different signal, community or search. This does not establish that the data were stable.
Questions worth asking next
- Does the category have comparable meaning in both windows?
- Are renewals or multiple licenses per establishment driving the change?
- Would a different administrative grouping reverse the interpretation?